#VU43452 Resource management error in OptiPNG - CVE-2012-4432

Vulnerability identifier: #VU43452

Vulnerability risk: Medium

CVSSv4.0: 2.7 [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/E:U/U:Green]

CVE-ID: CVE-2012-4432

CWE-ID: CWE-399

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
OptiPNG
Other software / Other software solutions

Vendor: cosmin

Description

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."

Mitigation
Install update from vendor's website.

Vulnerable software versions

OptiPNG: hg - 0.7.2

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External links
https://optipng.hg.sourceforge.net/hgweb/optipng/optipng/rev/f1d5d44670a2
https://optipng.sourceforge.net/
https://secunia.com/advisories/50654
https://sourceforge.net/news/?group_id=151404
https://www.openwall.com/lists/oss-security/2012/09/17/5
https://www.openwall.com/lists/oss-security/2012/09/18/2
https://www.securityfocus.com/bid/55566
https://exchange.xforce.ibmcloud.com/vulnerabilities/78743

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.