Public Date:
839189: CVE-2012-2841 libexif: "exif_entry_get_value()" integer underflow

The MITRE CVE dictionary describes this issue as:

Integer underflow in the exif_entry_get_value function in exif-entry.c in the EXIF Tag Parsing Library (aka libexif) 0.6.20 might allow remote attackers to execute arbitrary code via vectors involving a crafted buffer-size parameter during the formatting of an EXIF tag, leading to a heap-based buffer overflow.

Find out more about CVE-2012-2841 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 5.1
Base Metrics AV:N/AC:H/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity High
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 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.