openSUSE Security Update : perl-YAML-LibYAML (openSUSE-2016-473)

This script is Copyright (C) 2016 Tenable Network Security, Inc.


Synopsis :

The remote openSUSE host is missing a security update.

Description :

perl-YAML-LibYAML was updated to fix three 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 performed 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 triggered a heap-based buffer overflow
(bnc#860617, bnc#911782).

- 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).

This update was imported from the SUSE:SLE-12:Update update project.

See also :

https://bugzilla.opensuse.org/show_bug.cgi?id=860617
https://bugzilla.opensuse.org/show_bug.cgi?id=868944
https://bugzilla.opensuse.org/show_bug.cgi?id=907809
https://bugzilla.opensuse.org/show_bug.cgi?id=911782

Solution :

Update the affected perl-YAML-LibYAML packages.

Risk factor :

Medium / CVSS Base Score : 6.8
(CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P)

Family: SuSE Local Security Checks

Nessus Plugin ID: 90563 ()

Bugtraq ID:

CVE ID: CVE-2013-6393
CVE-2014-2525
CVE-2014-9130

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