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openSUSE-SU-2015:0319-1: moderate: Security update for perl-YAML-LibYAML
openSUSE Security Update: Security update for perl-YAML-LibYAML

Announcement ID: openSUSE-SU-2015:0319-1
Rating: moderate
References: #751503 #860617 #868944 #907809 #911782
Cross-References: CVE-2012-1152 CVE-2013-6393 CVE-2014-2525
Affected Products:
openSUSE 13.2
openSUSE 13.1

An update that solves four vulnerabilities and has one
errata is now available.


perl-YAML-LibYAML was updated to version 0.59 to fix four security issues.

These security issues were fixed:
- CVE-2013-6393: The yaml_parser_scan_tag_uri function in scanner.c in
LibYAML before 0.1.5 performs an incorrect cast, which allowed remote
attackers to cause a denial of service (application crash) and possibly
execute arbitrary code via crafted tags in a YAML document, which
triggers a heap-based buffer overflow (bnc#860617, bnc#911782).
- CVE-2012-1152: Multiple format string vulnerabilities in the error
reporting functionality in the YAML::LibYAML (aka YAML-LibYAML and
perl-YAML-LibYAML) module 0.38 for Perl allowed remote attackers to
cause a denial of service (process crash) via format string specifiers
in a (1) YAML stream to the Load function, (2) YAML node to the
load_node function, (3) YAML mapping to the load_mapping function, or
(4) YAML sequence to the load_sequence function (bnc#751503).
- CVE-2014-9130: scanner.c in LibYAML 0.1.5 and 0.1.6, as used in the
YAML-LibYAML (aka YAML-XS) module for Perl, allowed context-dependent
attackers to cause a denial of service (assertion failure and crash) via
vectors involving line-wrapping (bnc#907809, bnc#911782).
- CVE-2014-2525: Heap-based buffer overflow in the
yaml_parser_scan_uri_escapes function in LibYAML before 0.1.6 allowed
context-dependent attackers to execute arbitrary code via a long
sequence of percent-encoded characters in a URI in a YAML file
(bnc#868944, bnc#911782).

These non-security issues were fixed:
- PR/23 Better scalar dump heuristics
- More closely match
- Add a VERSION statement to YAML::LibYAML (issue#8)
- Applied fix for PR/21. nawglan++
- Use Swim cpan-tail block functions in doc
- Get YAML::XS using latest libyaml
- Fix for
- Fix e1 test failure on 5.21.4
- Remove =travis section
- Meta 0.0.2
- Eliminate spurious trailing whitespace
- Add t/000-compile-modules.t
- Fix swim errors
- Add badges to doc
- Fix ReadMe
- Fix Meta and add Contributing.
- Doc fix. GitHub-Issue-#6. Thanks to Debian Perl Group for finding this.
- Test::Base tests needed 'inc' in @INC
- Switch to Zilla::Dist
- No longer dep on Test::Base, Spiffy, and Filter::Util::Call
- Remove test/changes.t
- Removed another C++ // style comment. jdb++
- Removed C++ // style comments, for better portability. jdb++
- Using the latest libyaml codebase
- Changes have been made to start moving libyaml to 1.2

Patch Instructions:

To install this openSUSE Security Update use YaST online_update.
Alternatively you can run the command listed for your product:

- openSUSE 13.2:

zypper in -t patch openSUSE-2015-162=1

- openSUSE 13.1:

zypper in -t patch openSUSE-2015-162=1

To bring your system up-to-date, use "zypper patch".

Package List:

- openSUSE 13.2 (i586 x86_64):


- openSUSE 13.1 (i586 x86_64):



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