Vulnerability CVE-2014-2525
Published: 2014-03-28

Description:
Heap-based buffer overflow in the yaml_parser_scan_uri_escapes function in LibYAML before 0.1.6 allows context-dependent attackers to execute arbitrary code via a long sequence of percent-encoded characters in a URI in a YAML file.

See advisories in our WLB2 database:
Topic
Author
Date
High
LibYAML 0.1.5 Buffer Overflow
Ivan Fratric
29.03.2014

Type:

CWE-119

 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.8/10
6.4/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Pyyaml -> Libyaml 
Opensuse -> LEAP 
Opensuse -> Opensuse 
Novell -> Opensuse 
Novell -> LEAP 

 References:
http://advisories.mageia.org/MGASA-2014-0150.html
http://lists.opensuse.org/opensuse-updates/2014-04/msg00022.html
http://lists.opensuse.org/opensuse-updates/2015-02/msg00078.html
http://lists.opensuse.org/opensuse-updates/2016-04/msg00050.html
http://rhn.redhat.com/errata/RHSA-2014-0353.html
http://rhn.redhat.com/errata/RHSA-2014-0354.html
http://rhn.redhat.com/errata/RHSA-2014-0355.html
http://support.apple.com/kb/HT6443
http://www.debian.org/security/2014/dsa-2884
http://www.debian.org/security/2014/dsa-2885
http://www.getchef.com/blog/2014/04/09/chef-server-11-0-12-release/
http://www.getchef.com/blog/2014/04/09/enterprise-chef-1-4-9-release/
http://www.getchef.com/blog/2014/04/09/enterprise-chef-11-1-3-release/
http://www.mandriva.com/security/advisories?name=MDVSA-2015:060
http://www.ocert.org/advisories/ocert-2014-003.html
http://www.securityfocus.com/bid/66478
http://www.ubuntu.com/usn/USN-2160-1
https://bitbucket.org/xi/libyaml/commits/bce8b60f0b9af69fa9fab3093d0a41ba243de048
https://puppet.com/security/cve/cve-2014-2525
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