Vulnerability Description
The get_dht function in jdmarker.c in libjpeg-turbo through 1.3.0, as used in Google Chrome before 31.0.1650.48 and other products, does not set all elements of a certain Huffman value array during the reading of segments that follow Define Huffman Table (DHT) JPEG markers, which allows remote attackers to obtain sensitive information from uninitialized memory locations via a crafted JPEG image.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Chrome | <= 31.0.1650.47 |
Related Weaknesses (CWE)
References
- http://advisories.mageia.org/MGASA-2013-0333.html
- http://archives.neohapsis.com/archives/fulldisclosure/2013-11/0080.html
- http://git.chromium.org/gitweb/?p=chromium/deps/libjpeg_turbo.git%3Ba=commit%3Bh
- http://googlechromereleases.blogspot.com/2013/11/stable-channel-update.htmlVendor Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2013-December/123437.h
- http://lists.fedoraproject.org/pipermail/package-announce/2013-December/124108.h
- http://lists.fedoraproject.org/pipermail/package-announce/2013-December/124257.h
- http://lists.fedoraproject.org/pipermail/package-announce/2014-January/125470.ht
- http://lists.opensuse.org/opensuse-security-announce/2013-11/msg00025.html
- http://lists.opensuse.org/opensuse-security-announce/2013-11/msg00026.html
- http://lists.opensuse.org/opensuse-security-announce/2013-12/msg00002.html
- http://lists.opensuse.org/opensuse-updates/2013-12/msg00085.html
- http://lists.opensuse.org/opensuse-updates/2013-12/msg00086.html
- http://lists.opensuse.org/opensuse-updates/2013-12/msg00087.html
- http://lists.opensuse.org/opensuse-updates/2013-12/msg00119.html
FAQ
What is CVE-2013-6630?
CVE-2013-6630 is a vulnerability with a CVSS score of 5.0 (MEDIUM). The get_dht function in jdmarker.c in libjpeg-turbo through 1.3.0, as used in Google Chrome before 31.0.1650.48 and other products, does not set all elements of a certain Huffman value array during th...
How severe is CVE-2013-6630?
CVE-2013-6630 has been rated MEDIUM with a CVSS base score of 5.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2013-6630?
Check the references section above for vendor advisories and patch information. Affected products include: Google Chrome.