Vulnerability identifier: #VU32636

Vulnerability risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2013-1961

CWE-ID: CWE-121

Exploitation vector: Network

Exploit availability: No

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

Vendor: LibTIFF

Description

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

The vulnerability exists due to a boundary error within the t2p_write_pdf_page function in tiff2pdf when processing a crafted image length and resolution in a TIFF image file. A remote unauthenticated attacker can trigger stack-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 4.0.3.

Vulnerable software versions

LibTIFF: 4.0.0 - 4.0.2

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External links
http://lists.fedoraproject.org/pipermail/package-announce/2013-May/104916.html
http://lists.fedoraproject.org/pipermail/package-announce/2013-May/105253.html
http://lists.fedoraproject.org/pipermail/package-announce/2013-May/105828.html
http://lists.opensuse.org/opensuse-updates/2013-06/msg00058.html
http://lists.opensuse.org/opensuse-updates/2013-06/msg00080.html
http://rhn.redhat.com/errata/RHSA-2014-0223.html
http://seclists.org/oss-sec/2013/q2/254
http://secunia.com/advisories/53237
http://secunia.com/advisories/53765
http://www.debian.org/security/2013/dsa-2698
http://www.securityfocus.com/bid/59607
http://bugzilla.redhat.com/show_bug.cgi?id=952131

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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.