Vulnerability CVE-2012-4432
Published: 2012-09-30   Modified: 2012-10-01

Description:
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."

Type:

CWE-399

 (Resource Management Errors)

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Optipng -> Optipng 

 References:
http://www.openwall.com/lists/oss-security/2012/09/18/2
http://www.openwall.com/lists/oss-security/2012/09/17/5
http://optipng.sourceforge.net/
http://xforce.iss.net/xforce/xfdb/78743
http://sourceforge.net/news/?group_id=151404
http://secunia.com/advisories/50654
http://optipng.hg.sourceforge.net/hgweb/optipng/optipng/rev/f1d5d44670a2
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