SB2012081310 - Memory corruption in libpng
Published: August 13, 2012 Updated: September 10, 2024
Security Bulletin ID
SB2012081310
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Partial DoS
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Buffer overflow (CVE-ID: CVE-2012-3425)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to crash the application.
The vulnerability exists due to a boundary error within the png_push_read_zTXt() function in pngpread.c when processing PNG files. A remote attacker can create a specially crafted PNG file, trick the victim into opening it, trigger memory corruption and crash the application.
Remediation
Install update from vendor's website.
References
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=668082
- http://libpng.git.sourceforge.net/git/gitweb.cgi?p=libpng/libpng;a=blob;f=CHANGES;h=284de253b1561b976291ba7405acd71ae71ff597;hb=refs/heads/libpng10
- http://libpng.git.sourceforge.net/git/gitweb.cgi?p=libpng/libpng;a=blob;f=CHANGES;h=2da5a7a8b690e257f94353b5b49d493cdc385322;hb=refs/heads/libpng14
- http://libpng.git.sourceforge.net/git/gitweb.cgi?p=libpng/libpng;a=blob;f=CHANGES;h=73e2ffd6a1471f2144d0ce7165d7323cb109f10f;hb=refs/heads/libpng15
- http://libpng.git.sourceforge.net/git/gitweb.cgi?p=libpng/libpng;a=blob;f=CHANGES;hb=a4b640865ae47986bbe71ecc0e7d5181dcb0bac8
- http://lists.opensuse.org/opensuse-updates/2012-08/msg00004.html
- http://www.openwall.com/lists/oss-security/2012/07/24/3
- http://www.openwall.com/lists/oss-security/2012/07/24/5
- http://www.ubuntu.com/usn/USN-2815-1