#VU32748 Heap-based buffer overflow in LibTIFF - CVE-2012-4447

Vulnerability identifier: #VU32748

Vulnerability risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

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