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CVE Database

CVE-2012-4564

Impact: Moderate
Public: 2012-11-02
Bugzilla: 871700: CVE-2012-4564 libtiff: Missing return value check in ppm2tiff leading to heap-buffer overflow when reading a tiff file

Details

The MITRE CVE dictionary describes this issue as:

ppm2tiff does not check the return value of the TIFFScanlineSize function, which allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted PPM image that triggers an integer overflow, a zero-memory allocation, and a heap-based buffer overflow.

Find out more about CVE-2012-4564 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 (libtiff) RHSA-2012:1590 December 18, 2012
Red Hat Enterprise Linux version 6 (libtiff) RHSA-2012:1590 December 18, 2012

External References

Acknowledgements

This issue was discovered by Huzaifa S. Sidhpurwala of Red Hat Security Response Team.

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.