Public Date:
839182: CVE-2012-2813 libexif: "exif_convert_utf16_to_utf8()" heap-based out-of-bounds array read

The MITRE CVE dictionary describes this issue as:

The exif_convert_utf16_to_utf8 function in exif-entry.c in the EXIF Tag Parsing Library (aka libexif) before 0.6.21 allows remote attackers to cause a denial of service (out-of-bounds read) or possibly obtain sensitive information from process memory via crafted EXIF tags in an image.

Find out more about CVE-2012-2813 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v2 metrics

NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.

Base Score 5.8
Base Metrics AV:N/AC:M/Au:N/C:P/I:N/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact None
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 Enterprise Linux version 5 (libexif) RHSA-2012:1255 2012-09-11
Red Hat Enterprise Linux version 6 (libexif) RHSA-2012:1255 2012-09-11


Red Hat would like to thank Dan Fandrich for reporting this issue. Upstream acknowledges Mateusz Jurczyk of the Google Security Team as the original reporter.