CVE Database


Impact: Moderate
Public: 2012-07-12
Bugzilla: 839188: CVE-2012-2840 libexif: "exif_convert_utf16_to_utf8()" off-by-one


The MITRE CVE dictionary describes this issue as:

Off-by-one error in 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 or possibly execute arbitrary code via crafted EXIF tags in an image.

Find out more about CVE-2012-2840 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 Enterprise Linux version 5 (libexif) RHSA-2012:1255 September 11, 2012
Red Hat Enterprise Linux version 6 (libexif) RHSA-2012:1255 September 11, 2012

External References


Red Hat would like to thank Dan Fandrich for reporting this issue.

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.