Vulnerability identifier: #VU32533

Vulnerability risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2013-7353

CWE-ID: CWE-122

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
libpng
Universal components / Libraries / Libraries used by multiple products

Vendor: libpng

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in Integer overflow in the png_set_unknown_chunks function in libpng/pngset.c in libpng before 1.5.14beta08. A remote attacker can use a crafted image to trigger heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Update to version 1.5.14.

Vulnerable software versions

libpng: 1.5.0 - 1.5.13

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External links
http://lists.opensuse.org/opensuse-updates/2014-05/msg00015.html
http://seclists.org/oss-sec/2014/q2/83
http://sourceforge.net/p/libpng/bugs/199/
http://www.securityfocus.com/bid/67345

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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.