CVE Database


Impact: Important
Public: 2014-03-27
Bugzilla: 1078083: CVE-2014-2525 libyaml: heap-based buffer overflow when parsing URLs


The MITRE CVE dictionary describes this issue as:

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.

Find out more about CVE-2014-2525 from the MITRE CVE dictionary and NIST NVD.

CVSS v2 metrics

Base Score: 6.8
Base Metrics: AV:N/AC:M/Au:N/C:P/I:P/A:P
Access Vector: Network
Access Complexity: Medium
Authentication: None
Confidentiality Impact: Partial
Integrity Impact: Partial
Availability Impact: Partial

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat security errata

Platform Errata Release Date
Red Hat Common for RHEL version 6 (libyaml) RHSA-2014:0415 April 17, 2014
Red Hat Enterprise Linux OpenStack Platform 3.0 (libyaml) RHSA-2014:0353 April 02, 2014
Red Hat Enterprise Linux OpenStack Platform 3.0 (ruby193-libyaml) RHSA-2014:0364 April 03, 2014
Red Hat Enterprise Linux OpenStack Platform 4.0 (libyaml) RHSA-2014:0354 April 02, 2014
Red Hat Software Collections 1 for Red Hat Enterprise Linux version 6 (ruby193-libyaml) RHSA-2014:0355 April 02, 2014

External References


Red Hat would like to thank oCERT for reporting this issue. oCERT acknowledges Ivan Fratric of the Google Security Team as the original reporter.

This page is generated automatically and has not been checked for errors or omissions.

For clarification or corrections please contact the Red Hat Security Response Team.