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Sicherheit: Mehrere Probleme in libgit2
Aktuelle Meldungen Distributionen
Name: Mehrere Probleme in libgit2
ID: SUSE-SU-2018:3440-1
Distribution: SUSE
Plattformen: SUSE Linux Enterprise Software Development Kit 12-SP3, SUSE Manager Server 3.1, SUSE Manager Server 3.2
Datum: Do, 25. Oktober 2018, 23:18
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-10888
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-10887
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-8099
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-15501
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-11235
Applikationen: Git

Originalnachricht

   SUSE Security Update: Security update for libgit2
______________________________________________________________________________

Announcement ID: SUSE-SU-2018:3440-1
Rating: moderate
References: #1085256 #1095219 #1100612 #1100613 #1104641

Cross-References: CVE-2018-10887 CVE-2018-10888 CVE-2018-11235
CVE-2018-15501 CVE-2018-8099
Affected Products:
SUSE Manager Server 3.2
SUSE Manager Server 3.1
SUSE Linux Enterprise Software Development Kit 12-SP3
______________________________________________________________________________

An update that fixes 5 vulnerabilities is now available.

Description:

This update for libgit2 fixes the following issues:

- CVE-2018-8099: Fixed possible denial of service attack via different
vectors by not being able to differentiate between these status codes
(bsc#1085256).
- CVE-2018-11235: With a crafted .gitmodules file, a malicious project can
execute an arbitrary script on a machine that runs "git clone
--recurse-submodules" because submodule "names" are obtained
from this
file, and then appended to $GIT_DIR/modules, leading to directory
traversal with "../" in a name. Finally, post-checkout hooks from
a
submodule are executed, bypassing the intended design in which hooks are
not obtained from a remote server. (bsc#1095219)
- CVE-2018-10887: It has been discovered that an unexpected sign extension
in git_delta_apply function in delta.c file may have lead to an integer
overflow which in turn leads to an out of bound read, allowing to read
before the base object. An attacker could have used this flaw to leak
memory addresses or cause a Denial of Service. (bsc#1100613)
- CVE-2018-10888: A missing check in git_delta_apply function in delta.c
file, may lead to an out-of-bound read while reading a binary delta
file. An attacker may use this flaw to cause a Denial of Service.
(bsc#1100612)
- CVE-2018-15501: A remote attacker can send a crafted smart-protocol
"ng"
packet that lacks a '\0' byte to trigger an out-of-bounds read
that
leads to DoS. (bsc#1104641)


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 Manager Server 3.2:

zypper in -t patch SUSE-SUSE-Manager-Server-3.2-2018-2459=1

- SUSE Manager Server 3.1:

zypper in -t patch SUSE-SUSE-Manager-Server-3.1-2018-2459=1

- SUSE Linux Enterprise Software Development Kit 12-SP3:

zypper in -t patch SUSE-SLE-SDK-12-SP3-2018-2459=1



Package List:

- SUSE Manager Server 3.2 (ppc64le s390x x86_64):

libgit2-24-0.24.1-7.6.1
libgit2-24-debuginfo-0.24.1-7.6.1
libgit2-debugsource-0.24.1-7.6.1

- SUSE Manager Server 3.1 (ppc64le s390x x86_64):

libgit2-24-0.24.1-7.6.1
libgit2-24-debuginfo-0.24.1-7.6.1
libgit2-debugsource-0.24.1-7.6.1

- SUSE Linux Enterprise Software Development Kit 12-SP3 (x86_64):

libgit2-24-0.24.1-7.6.1
libgit2-24-debuginfo-0.24.1-7.6.1
libgit2-debugsource-0.24.1-7.6.1


References:

https://www.suse.com/security/cve/CVE-2018-10887.html
https://www.suse.com/security/cve/CVE-2018-10888.html
https://www.suse.com/security/cve/CVE-2018-11235.html
https://www.suse.com/security/cve/CVE-2018-15501.html
https://www.suse.com/security/cve/CVE-2018-8099.html
https://bugzilla.suse.com/1085256
https://bugzilla.suse.com/1095219
https://bugzilla.suse.com/1100612
https://bugzilla.suse.com/1100613
https://bugzilla.suse.com/1104641

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