Public Date:
839185: CVE-2012-2837 libexif: "mnote_olympus_entry_get_value()" division by zero

The MITRE CVE dictionary describes this issue as:

The mnote_olympus_entry_get_value function in olympus/mnote-olympus-entry.c in the EXIF Tag Parsing Library (aka libexif) before 0.6.21 allows remote attackers to cause a denial of service (divide-by-zero error) via an image with crafted EXIF tags that are not properly handled during the formatting of EXIF maker note tags.

Find out more about CVE-2012-2837 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 4.3
Base Metrics AV:N/AC:M/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact None
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 Yunho Kim as the original reporter.