Resource management error in OptiPNG - CVE-2012-4432
Published: October 1, 2012 / Updated: August 11, 2020
Vulnerability identifier: #VU43452
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2012-4432
CWE-ID: CWE-399
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
Use-after-free vulnerability in opngreduc.c in OptiPNG Hg and 0.7.x before 0.7.3 might allow remote attackers to execute arbitrary code via unspecified vectors related to "palette reduction."
Affected software
OptiPNG
Gentoo Linux
Gentoo Linux
How to mitigate CVE-2012-4432
Install update from vendor's website.
External References
- http://optipng.hg.sourceforge.net/hgweb/optipng/optipng/rev/f1d5d44670a2
- http://optipng.sourceforge.net/
- http://secunia.com/advisories/50654
- http://sourceforge.net/news/?group_id=151404
- http://www.openwall.com/lists/oss-security/2012/09/17/5
- http://www.openwall.com/lists/oss-security/2012/09/18/2
- http://www.securityfocus.com/bid/55566
- https://exchange.xforce.ibmcloud.com/vulnerabilities/78743