Vulnerability identifier: #VU31835

Vulnerability risk: Medium

CVSSv3.1: 6.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:U/RC:C]

CVE-ID: CVE-2013-4243

CWE-ID: CWE-94

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 improper input validation in a crafted height and width values in a GIF image. A remote attacker can send a specially crafted request and execute arbitrary code on the target system.

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

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

LibTIFF: 1:6.0p1-4+deb7u4

---

External links
http://bugzilla.maptools.org/show_bug.cgi?id=2451
http://rhn.redhat.com/errata/RHSA-2014-0223.html
http://secunia.com/advisories/54543
http://secunia.com/advisories/54628
http://www.debian.org/security/2013/dsa-2744
http://www.securityfocus.com/bid/62082
http://bugzilla.redhat.com/show_bug.cgi?id=996052
http://security.gentoo.org/glsa/201701-16

---

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.