Vulnerability identifier: #VU32748

Vulnerability risk: Medium

CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2012-4447

CWE-ID: CWE-122

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 in Heap-based buffer overflow in tif_pixarlog.c in LibTIFF before 4.0.3. A remote attacker can use a crafted TIFF image using the PixarLog Compression format. 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 4.0.3.

Vulnerable software versions

LibTIFF: 4.0.0 - 4.0.2

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External links
http://lists.opensuse.org/opensuse-updates/2013-01/msg00076.html
http://rhn.redhat.com/errata/RHSA-2012-1590.html
http://secunia.com/advisories/49938
http://secunia.com/advisories/51049
http://www.debian.org/security/2012/dsa-2561
http://www.openwall.com/lists/oss-security/2012/09/25/14
http://www.openwall.com/lists/oss-security/2012/09/25/9
http://www.remotesensing.org/libtiff/v4.0.3.html
http://www.securityfocus.com/bid/55673
http://www.ubuntu.com/usn/USN-1631-1
http://bugzilla.redhat.com/show_bug.cgi?id=860198

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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.