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Sicherheit: Denial of Service in perl
Aktuelle Meldungen Distributionen
Name: Denial of Service in perl
ID: FEDORA-2018-eb868d383c
Distribution: Fedora
Plattformen: Fedora 27
Datum: Do, 14. Juni 2018, 22:52
Referenzen: https://bugzilla.redhat.com/show_bug.cgi?id=1557667
Applikationen: Perl

Originalnachricht

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Fedora Update Notification
FEDORA-2018-eb868d383c
2018-06-14 18:14:18.568425
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Name : perl
Product : Fedora 27
Version : 5.26.2
Release : 406.fc27
URL : http://www.perl.org/
Summary : Practical Extraction and Report Language
Description :
Perl is a high-level programming language with roots in C, sed, awk and shell
scripting. Perl is good at handling processes and files, and is especially
good at handling text. Perl's hallmarks are practicality and efficiency.
While it is used to do a lot of different things, Perl's most common
applications are system administration utilities and web programming.

This is a metapackage with all the Perl bits and core modules that can be
found in the upstream tarball from perl.org.

If you need only a specific feature, you can install a specific package
instead. E.g. to handle Perl scripts with /usr/bin/perl interpreter,
install perl-interpreter package. See perl-interpreter description for more
details on the Perl decomposition into packages.

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Update Information:

This release fixes building XS modules, clobbering file bytes in :encoding
layers, line numbering in multi-line search-and-replace operations, parsing
extended bracketed character classes, an uninitialized memory read in the Perl
parser, and an infinite loop in the regular expression compiler.
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ChangeLog:

* Fri May 25 2018 Petr Pisar <ppisar@redhat.com> - 4:5.26.2-406
- perl-devel requires redhat-rpm-config because of hardened compiler profiles
(bug #1557667)
- Do not clobber file bytes in :encoding layer (RT#132833)
- Fix line numbers in multi-line s/// (RT#131930)
- Fix parsing extended bracketed character classes (RT#132167)
- Fix a possibly unitialized memory read in the Perl parser (RT#133074)
- Fix an infinite loop in the regular expression compiler (RT#133185)
* Fri May 18 2018 Jitka Plesnikova <jplesnik@redhat.com> - 4:5.26.2-405
- Correct license tags of perl-libs (bug #1579524)
* Mon Apr 16 2018 Petr Pisar <ppisar@redhat.com> - 4:5.26.2-404
- 5.26.2 bump
- Fix CVE-2018-6913 (heap buffer overflow in pp_pack.c) (bug #1567776)
- Fix CVE-2018-6798 (heap read overflow in regexec.c) (bug #1567777)
- Fix CVE-2018-6797 (heap write overflow in regcomp.c) (bug #1567778)
* Tue Feb 6 2018 Petr Pisar <ppisar@redhat.com> - 4:5.26.1-403
- Add patch to conditionalize a fix for an old and long fixed bug
in libcrypt / glibc (rhbz#1536752)
- Link XS modules to pthread library to fix linking with -z defs
- Correct shell bangs in tests
- Fix parsing braced subscript after parentheses (RT#8045)
- Fix a heap use after free when moving a stack (RT#131954)
- Call ldconfig scriptlets using a macro
* Tue Jan 9 2018 Petr Pisar <ppisar@redhat.com> - 4:5.26.1-402
- Remove invalid macro definitions from macros.perl (bug #1532539)
- Fix an overflow in the lexer when reading a new line (RT#131793)
- Fix Term::ReadLine not to create spurious &STDERR files (RT#132008)
- Fix a crash when a match for inversely repeated group fails (RT#132017)
- Fix an overflow when parsing a character range with no preceding character
(RT#132245)
- Fix walking symbol table for ISA in Carp
- Fix handling file names with null bytes in stat and lstat functions
(RT#131895)
- Fix a crash when untying an object witout a stash
- Fix deparsing of transliterations with unprintable characters (RT#132405)
- Fix error reporting on do() on a directory (RT#125774)
- Fix stack manipulation when a lexical subroutine is defined in a do block in
a member of an iteration list (RT#132442)
- Fix setting $! when statting a closed filehandle (RT#108288)
- Fix tainting of s/// with overloaded replacement (RT#115266)
- Expand system() arguments before a fork (RT#121105)
- Avoid undefined behavior when copying memory in Glob and pp_caller
(RT#131746)
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References:

[ 1 ] Bug #1557667 - perl - Config_heavy.pl uses redhat-hardened-cc1 without
depending on redhat-rpm-config
https://bugzilla.redhat.com/show_bug.cgi?id=1557667
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2018-eb868d383c' at the command
line. For more information, refer to the dnf documentation available at
http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label

All packages are signed with the Fedora Project GPG key. More details on the
GPG keys used by the Fedora Project can be found at
https://fedoraproject.org/keys
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