Vulnerability identifier: #VU33845

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-2013-7354

CWE-ID: CWE-20

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 non-authenticated attacker to perform service disruption.

Multiple integer overflows in libpng before 1.5.14rc03 allow remote attackers to cause a denial of service (crash) via a crafted image to the (1) png_set_sPLT or (2) png_set_text_2 function, which triggers a heap-based buffer overflow.

Mitigation
Install update from vendor's website.

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/67344

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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.