CVE-2012-3425
MEDIUM severity · CVSS 4.3 · Memory corruption
4.3CVSS MEDIUM
Summary
The png_push_read_zTXt function in pngpread.c in libpng 1.0.x before 1.0.58, 1.2.x before 1.2.48, 1.4.x before 1.4.10, and 1.5.x before 1.5.10 allows remote attackers to cause a denial of service (out-of-bounds read) via a large avail_in field value in a PNG image.
Impact & exploitability
Attack vectorNetwork
Attack complexity—
Privileges required—
User interaction—
Confidentiality impactNone
Integrity impactNone
Availability impact—
Exploit probability (EPSS)3%
AV:N/AC:M/Au:N/C:N/I:N/A:P
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=668082Advisory
- http://libpng.git.sourceforge.net/git/gitweb.cgi?p=libpng/libpng%3Ba=blob%3Bf=CHANGES%3Bh=284de253b1561b976291ba7405acd71ae71ff597%3Bhb=refs/heads/libpng10
- http://libpng.git.sourceforge.net/git/gitweb.cgi?p=libpng/libpng%3Ba=blob%3Bf=CHANGES%3Bh=2da5a7a8b690e257f94353b5b49d493cdc385322%3Bhb=refs/heads/libpng14
- http://libpng.git.sourceforge.net/git/gitweb.cgi?p=libpng/libpng%3Ba=blob%3Bf=CHANGES%3Bh=73e2ffd6a1471f2144d0ce7165d7323cb109f10f%3Bhb=refs/heads/libpng15
- http://libpng.git.sourceforge.net/git/gitweb.cgi?p=libpng/libpng%3Ba=blob%3Bf=CHANGES%3Bhb=a4b640865ae47986bbe71ecc0e7d5181dcb0bac8
- http://lists.opensuse.org/opensuse-updates/2012-08/msg00004.htmlAdvisory
- http://www.openwall.com/lists/oss-security/2012/07/24/3
- http://www.openwall.com/lists/oss-security/2012/07/24/5