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Sicherheit: Mehrere Probleme in git
Aktuelle Meldungen Distributionen
Name: Mehrere Probleme in git
ID: SUSE-SU-2020:1121-1
Distribution: SUSE
Plattformen: SUSE Linux Enterprise Module for Open Buildservice Development Tools 15-SP1, SUSE Linux Enterprise Module for Basesystem 15-SP1, SUSE Linux Enterprise Module for Development Tools 15-SP1
Datum: Di, 28. April 2020, 13:18
Referenzen: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-1349
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-17456
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-11233
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-1350
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-1351
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-5260
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-19604
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11008
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-1354
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-15298
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-1387
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-1352
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-11235
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-1353
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-1348
Applikationen: Git

Originalnachricht


SUSE Security Update: Security update for git
______________________________________________________________________________

Announcement ID: SUSE-SU-2020:1121-1
Rating: moderate
References: #1063412 #1095218 #1095219 #1110949 #1112230
#1114225 #1132350 #1149792 #1156651 #1158785
#1158787 #1158788 #1158789 #1158790 #1158791
#1158792 #1158793 #1158795 #1167890 #1168930
#1169605 #1169786 #1169936
Cross-References: CVE-2017-15298 CVE-2018-11233 CVE-2018-11235
CVE-2018-17456 CVE-2019-1348 CVE-2019-1349
CVE-2019-1350 CVE-2019-1351 CVE-2019-1352
CVE-2019-1353 CVE-2019-1354 CVE-2019-1387
CVE-2019-19604 CVE-2020-11008 CVE-2020-5260

Affected Products:
SUSE Linux Enterprise Module for Open Buildservice
Development Tools 15-SP1
SUSE Linux Enterprise Module for Development Tools 15-SP1
SUSE Linux Enterprise Module for Basesystem 15-SP1
______________________________________________________________________________

An update that solves 15 vulnerabilities and has 8 fixes is
now available.

Description:

This update for git fixes the following issues:

Security issues fixed:

* CVE-2020-11008: Specially crafted URLs may have tricked the credentials
helper to providing credential information that is not appropriate for
the protocol in use and host being contacted (bsc#1169936)

git was updated to 2.26.1 (bsc#1169786, jsc#ECO-1628, bsc#1149792)

- Fix git-daemon not starting after conversion from sysvinit to systemd
service (bsc#1169605).

* CVE-2020-5260: Specially crafted URLs with newline characters could have
been used to make the Git client to send credential information for a
wrong host to the attacker's site bsc#1168930

git 2.26.0 (bsc#1167890, jsc#SLE-11608):

* "git rebase" now uses a different backend that is based on the
'merge'
machinery by default. The 'rebase.backend' configuration variable
reverts to old behaviour when set to 'apply'
* Improved handling of sparse checkouts
* Improvements to many commands and internal features

git 2.25.2:

* bug fixes to various subcommands in specific operations

git 2.25.1:

* "git commit" now honors advise.statusHints
* various updates, bug fixes and documentation updates

git 2.25.0

* The branch description ("git branch --edit-description") has been
used
to fill the body of the cover letters by the format-patch command; this
has been enhanced so that the subject can also be filled.
* A few commands learned to take the pathspec from the standard input
or a named file, instead of taking it as the command line arguments,
with the "--pathspec-from-file" option.
* Test updates to prepare for SHA-2 transition continues.
* Redo "git name-rev" to avoid recursive calls.
* When all files from some subdirectory were renamed to the root
directory, the directory rename heuristics would fail to detect that as
a rename/merge of the subdirectory to the root directory, which has been
corrected.
* HTTP transport had possible allocator/deallocator mismatch, which has
been corrected.

git 2.24.1:

* CVE-2019-1348: The --export-marks option of fast-import is exposed also
via the in-stream command feature export-marks=... and it allows
overwriting arbitrary paths (bsc#1158785)
* CVE-2019-1349: on Windows, when submodules are cloned recursively, under
certain circumstances Git could be fooled into using the same Git
directory twice (bsc#1158787)
* CVE-2019-1350: Incorrect quoting of command-line arguments allowed
remote code execution during a recursive clone in conjunction with SSH
URLs (bsc#1158788)
* CVE-2019-1351: on Windows mistakes drive letters outside of the
US-English alphabet as relative paths (bsc#1158789)
* CVE-2019-1352: on Windows was unaware of NTFS Alternate Data Streams
(bsc#1158790)
* CVE-2019-1353: when run in the Windows Subsystem for Linux while
accessing a working directory on a regular Windows drive, none of the
NTFS protections were active (bsc#1158791)
* CVE-2019-1354: on Windows refuses to write tracked files with filenames
that contain backslashes (bsc#1158792)
* CVE-2019-1387: Recursive clones vulnerability that is caused by too-lax
validation of submodule names, allowing very targeted attacks via remote
code execution in recursive clones (bsc#1158793)
* CVE-2019-19604: a recursive clone followed by a submodule update could
execute code contained within the repository without the user explicitly
having asked for that (bsc#1158795)

git 2.24.0

* The command line parser learned "--end-of-options" notation.
* A mechanism to affect the default setting for a (related) group of
configuration variables is introduced.
* "git fetch" learned "--set-upstream" option to help those
who first
clone from their private fork they intend to push to, add the true
upstream via "git remote add" and then "git fetch" from
it.
* fixes and improvements to UI, workflow and features, bash completion
fixes

git 2.23.0:

* The "--base" option of "format-patch" computed the
patch-ids for
prerequisite patches in an unstable way, which has been updated to
compute in a way that is compatible with "git patch-id
--stable".
* The "git log" command by default behaves as if the --mailmap
option was given.
* fixes and improvements to UI, workflow and features

git 2.22.1

* A relative pathname given to "git init --template=<path>
<repo>"
ought to be relative to the directory "git init" gets invoked in,
but it
instead was made relative to the repository, which has been corrected.
* "git worktree add" used to fail when another worktree connected to
the
same repository was corrupt, which has been corrected.
* "git am -i --resolved" segfaulted after trying to see a commit as
if it
were a tree, which has been corrected.
* "git merge --squash" is designed to update the working tree and
the
index without creating the commit, and this cannot be countermanded by
adding the "--commit" option; the command now refuses to work when
both
options are given.
* Update to Unicode 12.1 width table.
* "git request-pull" learned to warn when the ref we ask them to
pull from
in the local repository and in the published repository are different.
* "git fetch" into a lazy clone forgot to fetch base objects that
are
necessary to complete delta in a thin packfile, which has been corrected.
* The URL decoding code has been updated to avoid going past the end
of the string while parsing %-<hex>-<hex> sequence.
* "git clean" silently skipped a path when it cannot lstat() it; now
it
gives a warning.
* "git rm" to resolve a conflicted path leaked an internal message
"needs
merge" before actually removing the path, which was confusing. This
has
been corrected.
* Many more bugfixes and code cleanups.

- removal of SuSEfirewall2 service, since SuSEfirewall2 has been replaced
by firewalld.

- partial fix for git instaweb giving 500 error (bsc#1112230)

git 2.22.0

* The filter specification "--filter=sparse:path=<path>" used
to create a
lazy/partial clone has been removed. Using a blob that is part of the
project as sparse specification is still supported with the
"--filter=sparse:oid=<blob>" option
* "git checkout --no-overlay" can be used to trigger a new mode of
checking out paths out of the tree-ish, that allows paths that match the
pathspec that are in the current index and working tree and are not in
the tree-ish.
* Four new configuration variables {author,committer}.{name,email} have
been introduced to override user.{name,email} in more specific cases.
* "git branch" learned a new subcommand "--show-current".
* The command line completion (in contrib/) has been taught to complete
more subcommand parameters.
* The completion helper code now pays attention to repository-local
configuration (when available), which allows --list-cmds to honour a
repository specific setting of completion.commands, for example.
* The list of conflicted paths shown in the editor while concluding a
conflicted merge was shown above the scissors line when the clean-up
mode is set to "scissors", even though it was commented
out just like the list of updated paths and other information to help
the user explain the merge better.
* "git rebase" that was reimplemented in C did not set ORIG_HEAD
correctly, which has been corrected.
* "git worktree add" used to do a "find an available name with
stat and
then mkdir", which is race-prone. This has been fixed by using mkdir
and
reacting to EEXIST in a loop.

- Move to DocBook 5.x. Asciidoctor 2.x no longer supports the legacy
DocBook 4.5 format.

- update git-web AppArmor profile for bash and tar usrMerge (bsc#1132350)

git 2.21.0

* Historically, the "-m" (mainline) option can only be used for
"git
cherry-pick" and "git revert" when working with a merge
commit. This
version of Git no longer warns or errors out when working with a
single-parent commit, as long as the argument to the "-m" option
is 1
(i.e. it has only one parent, and the request is to pick or revert
relative to that first parent). Scripts that relied on the behaviour may
get broken with this change.
* Small fixes and features for fast-export and fast-import.
* The "http.version" configuration variable can be used with recent
enough
versions of cURL library to force the version of HTTP used to talk when
fetching and pushing.
* "git push $there $src:$dst" rejects when $dst is not a fully
qualified
refname and it is not clear what the end user meant.
* Update "git multimail" from the upstream.
* A new date format "--date=human" that morphs its output depending
on how far the time is from the current time has been introduced.
"--date=auto:human" can be used to use this new format (or any
existing
format) when the output is going to the pager or to the terminal, and
otherwise the default format.

- Fix worktree creation race (bsc#1114225).
- add shadow build dependency to the -daemon subpackage.


git 2.20.1:

* portability fixes
* "git help -a" did not work well when an overly long alias was
defined
* no longer squelched an error message when the run_command API failed to
run a missing command

git 2.20.0

* "git help -a" now gives verbose output (same as "git help
-av"). Those
who want the old output may say "git help --no-verbose -a"..
* "git send-email" learned to grab address-looking string on any
trailer
whose name ends with "-by".
* "git format-patch" learned new "--interdiff" and
"--range-diff"
options to explain the difference between this version and the previous
attempt in the cover letter (or after the three-dashes as a comment).
* Developer builds now use -Wunused-function compilation option.
* Fix a bug in which the same path could be registered under multiple
worktree entries if the path was missing (for instance, was removed
manually). Also, as a convenience, expand the number of cases in which
--force is applicable.
* The overly large Documentation/config.txt file have been split into
million little pieces. This potentially allows each individual piece to
be included into the manual page of the command it affects more easily.
* Malformed or crafted data in packstream can make our code attempt to
read or write past the allocated buffer and abort, instead of reporting
an error, which has been fixed.
* Fix for a long-standing bug that leaves the index file corrupt when it
shrinks during a partial commit.
* "git merge" and "git pull" that merges into an unborn
branch used to
completely ignore "--verify-signatures", which has been corrected.
* ...and much more features and fixes

git 2.19.2:

* various bug fixes for multiple subcommands and operations

git 2.19.1:

* CVE-2018-17456: Specially crafted .gitmodules files may have allowed
arbitrary code execution when the repository is cloned with
--recurse-submodules (bsc#1110949)

git 2.19.0:

* "git diff" compares the index and the working tree. For paths
added
with intent-to-add bit, the command shows the full contents
of them as added, but the paths themselves were not marked as new
files. They are now shown as new by default.
* "git apply" learned the "--intent-to-add" option so that
an
otherwise working-tree-only application of a patch will add new paths to
the index marked with the "intent-to-add" bit.
* "git grep" learned the "--column" option that gives not
just the line
number but the column number of the hit.
* The "-l" option in "git branch -l" is an unfortunate
short-hand for
"--create-reflog", but many users, both old and new, somehow
expect it
to be something else, perhaps "--list". This step warns when
"-l" is
used as a short-hand for "--create-reflog" and warns about the
future
repurposing of the it when it is used.
* The userdiff pattern for .php has been updated.
* The Content-Transfer-Encoding of the message "git send-email"
sends
out by default was 8bit, which can cause trouble when there is an
overlong line to bust RFC 5322/2822 limit. A new option 'auto' to
automatically switch to quoted-printable when there is such a line in
the payload has been introduced and is made the default.
* "git checkout" and "git worktree add" learned to honor
checkout.defaultRemote when auto-vivifying a local branch out of a
remote tracking branch in a repository with multiple remotes that have
tracking branches that share the same names. (merge 8d7b558bae
ab/checkout-default-remote later to maint).
* "git grep" learned the "--only-matching" option.
* "git rebase --rebase-merges" mode now handles octopus merges as
well.
* Add a server-side knob to skip commits in exponential/fibbonacci stride
in an attempt to cover wider swath of history with a smaller number of
iterations, potentially accepting a larger packfile transfer, instead of
going back one commit a time during common ancestor discovery during the
"git fetch" transaction. (merge 42cc7485a2
jt/fetch-negotiator-skipping
later to maint).
* A new configuration variable core.usereplacerefs has been added,
primarily to help server installations that want to ignore the replace
mechanism altogether.
* Teach "git tag -s" etc. a few configuration variables (gpg.format
that
can be set to "openpgp" or "x509", and
gpg.<format>.program that is used
to specify what program to use to deal with the format) to allow x.509
certs with CMS via "gpgsm" to be used instead of
openpgp via "gnupg".
* Many more strings are prepared for l10n.
* "git p4 submit" learns to ask its own pre-submit hook if it should
continue with submitting.
* The test performed at the receiving end of "git push" to prevent
bad
objects from entering repository can be customized via receive.fsck.*
configuration variables; we now have gained a counterpart to do the same
on the "git fetch" side, with fetch.fsck.* configuration
variables.
* "git pull --rebase=interactive" learned "i" as a
short-hand for
"interactive".
* "git instaweb" has been adjusted to run better with newer Apache
on
RedHat based distros.
* "git range-diff" is a reimplementation of "git tbdiff"
that lets us
compare individual patches in two iterations of a topic.
* The sideband code learned to optionally paint selected keywords at the
beginning of incoming lines on the receiving end.
* "git branch --list" learned to take the default sort order from
the
'branch.sort' configuration variable, just like "git tag
--list" pays
attention to 'tag.sort'.
* "git worktree" command learned "--quiet" option to make it
less verbose.

git 2.18.0:

* improvements to rename detection logic
* When built with more recent cURL, GIT_SSL_VERSION can now specify
"tlsv1.3" as its value.
* "git mergetools" learned talking to guiffy.
* various other workflow improvements and fixes
* performance improvements and other developer visible fixes

git 2.17.1

* Submodule "names" come from the untrusted .gitmodules file, but we
blindly append them to $GIT_DIR/modules to create our on-disk repo
paths. This means you can do bad things by putting "../" into the
name.
We now enforce some rules for submodule names which will cause Git to
ignore these malicious names (CVE-2018-11235, bsc#1095219)
* It was possible to trick the code that sanity-checks paths on NTFS into
reading random piece of memory (CVE-2018-11233, bsc#1095218)
* Support on the server side to reject pushes to repositories that attempt
to create such problematic .gitmodules file etc. as tracked contents, to
help hosting sites protect their customers by preventing malicious
contents from spreading.

git 2.17.0:

* "diff" family of commands learned
"--find-object=<object-id>" option to
limit the findings to changes that involve the named object.
* "git format-patch" learned to give 72-cols to diffstat, which is
consistent with other line length limits the subcommand uses for its
output meant for e-mails.
* The log from "git daemon" can be redirected with a new option; one
relevant use case is to send the log to standard error (instead of
syslog) when running it from inetd.
* "git rebase" learned to take "--allow-empty-message"
option.
* "git am" has learned the "--quit" option, in addition to
the existing
"--abort" option; having the pair mirrors a few other commands
like
"rebase" and "cherry-pick".
* "git worktree add" learned to run the post-checkout hook, just
like "git
clone" runs it upon the initial checkout.
* "git tag" learned an explicit "--edit" option that allows
the message
given via "-m" and "-F" to be further edited.
* "git fetch --prune-tags" may be used as a handy short-hand for
getting
rid of stale tags that are locally held.
* The new "--show-current-patch" option gives an end-user facing way
to
get the diff being applied when "git rebase" (and "git
am") stops with a
conflict.
* "git add -p" used to offer "/" (look for a matching hunk)
as a choice,
even there was only one hunk, which has been corrected. Also the
single-key help is now given only for keys that are enabled (e.g. help
for '/' won't be shown when there is only one hunk).
* Since Git 1.7.9, "git merge" defaulted to --no-ff (i.e. even when
the
side branch being merged is a descendant of the current commit, create a
merge commit instead of fast-forwarding) when merging a tag object.
This was appropriate default for integrators who pull signed tags from
their downstream contributors, but caused an unnecessary merges when
used by downstream contributors who habitually "catch up" their
topic
branches with tagged releases from the upstream. Update "git
merge" to
default to --no-ff only when merging a tag object that does *not* sit at
its usual place in refs/tags/ hierarchy, and allow fast-forwarding
otherwise, to mitigate the problem.
* "git status" can spend a lot of cycles to compute the relation
between
the current branch and its upstream, which can now be disabled with
"--no-ahead-behind" option.
* "git diff" and friends learned funcname patterns for Go language
source
files.
* "git send-email" learned "--reply-to=<address>"
option.
* Funcname pattern used for C# now recognizes "async" keyword.
* In a way similar to how "git tag" learned to honor the pager
setting
only in the list mode, "git config" learned to ignore the pager
setting
when it is used for setting values (i.e. when the purpose of the
operation is not to "show").


Patch Instructions:

To install this SUSE Security Update use the SUSE recommended installation
methods
like YaST online_update or "zypper patch".

Alternatively you can run the command listed for your product:

- SUSE Linux Enterprise Module for Open Buildservice Development Tools
15-SP1:

zypper in -t patch
SUSE-SLE-Module-Development-Tools-OBS-15-SP1-2020-1121=1

- SUSE Linux Enterprise Module for Development Tools 15-SP1:

zypper in -t patch SUSE-SLE-Module-Development-Tools-15-SP1-2020-1121=1

- SUSE Linux Enterprise Module for Basesystem 15-SP1:

zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP1-2020-1121=1



Package List:

- SUSE Linux Enterprise Module for Open Buildservice Development Tools
15-SP1 (aarch64 ppc64le s390x x86_64):

git-credential-gnome-keyring-2.26.1-3.25.2
git-credential-gnome-keyring-debuginfo-2.26.1-3.25.2
git-credential-libsecret-2.26.1-3.25.2
git-credential-libsecret-debuginfo-2.26.1-3.25.2
git-debuginfo-2.26.1-3.25.2
git-debugsource-2.26.1-3.25.2
git-p4-2.26.1-3.25.2

- SUSE Linux Enterprise Module for Development Tools 15-SP1 (aarch64 ppc64le
s390x x86_64):

git-2.26.1-3.25.2
git-arch-2.26.1-3.25.2
git-cvs-2.26.1-3.25.2
git-daemon-2.26.1-3.25.2
git-daemon-debuginfo-2.26.1-3.25.2
git-debuginfo-2.26.1-3.25.2
git-debugsource-2.26.1-3.25.2
git-email-2.26.1-3.25.2
git-gui-2.26.1-3.25.2
git-svn-2.26.1-3.25.2
git-svn-debuginfo-2.26.1-3.25.2
git-web-2.26.1-3.25.2
gitk-2.26.1-3.25.2

- SUSE Linux Enterprise Module for Development Tools 15-SP1 (noarch):

git-doc-2.26.1-3.25.2

- SUSE Linux Enterprise Module for Basesystem 15-SP1 (aarch64 ppc64le s390x
x86_64):

git-core-2.26.1-3.25.2
git-core-debuginfo-2.26.1-3.25.2
git-debuginfo-2.26.1-3.25.2
git-debugsource-2.26.1-3.25.2


References:

https://www.suse.com/security/cve/CVE-2017-15298.html
https://www.suse.com/security/cve/CVE-2018-11233.html
https://www.suse.com/security/cve/CVE-2018-11235.html
https://www.suse.com/security/cve/CVE-2018-17456.html
https://www.suse.com/security/cve/CVE-2019-1348.html
https://www.suse.com/security/cve/CVE-2019-1349.html
https://www.suse.com/security/cve/CVE-2019-1350.html
https://www.suse.com/security/cve/CVE-2019-1351.html
https://www.suse.com/security/cve/CVE-2019-1352.html
https://www.suse.com/security/cve/CVE-2019-1353.html
https://www.suse.com/security/cve/CVE-2019-1354.html
https://www.suse.com/security/cve/CVE-2019-1387.html
https://www.suse.com/security/cve/CVE-2019-19604.html
https://www.suse.com/security/cve/CVE-2020-11008.html
https://www.suse.com/security/cve/CVE-2020-5260.html
https://bugzilla.suse.com/1063412
https://bugzilla.suse.com/1095218
https://bugzilla.suse.com/1095219
https://bugzilla.suse.com/1110949
https://bugzilla.suse.com/1112230
https://bugzilla.suse.com/1114225
https://bugzilla.suse.com/1132350
https://bugzilla.suse.com/1149792
https://bugzilla.suse.com/1156651
https://bugzilla.suse.com/1158785
https://bugzilla.suse.com/1158787
https://bugzilla.suse.com/1158788
https://bugzilla.suse.com/1158789
https://bugzilla.suse.com/1158790
https://bugzilla.suse.com/1158791
https://bugzilla.suse.com/1158792
https://bugzilla.suse.com/1158793
https://bugzilla.suse.com/1158795
https://bugzilla.suse.com/1167890
https://bugzilla.suse.com/1168930
https://bugzilla.suse.com/1169605
https://bugzilla.suse.com/1169786
https://bugzilla.suse.com/1169936

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