Vulnerability identifier: #VU33953

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-2012-1173

CWE-ID: CWE-20

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 non-authenticated attacker to read and manipulate data.

Multiple integer overflows in tiff_getimage.c in LibTIFF 3.9.4 allow remote attackers to execute arbitrary code via a crafted tile size in a TIFF file, which is not properly handled by the (1) gtTileSeparate or (2) gtStripSeparate function, leading to a heap-based buffer overflow.

Mitigation
Install update from vendor's website.

Vulnerable software versions

LibTIFF: 3.9.4

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External links
http://bugzilla.maptools.org/attachment.cgi?id=477&action=diff
http://bugzilla.maptools.org/show_bug.cgi?id=2369
http://home.gdal.org/private/zdi-can-1221/zdi-can-1221.txt
http://lists.apple.com/archives/security-announce/2012/Sep/msg00003.html
http://lists.apple.com/archives/security-announce/2012/Sep/msg00004.html
http://lists.fedoraproject.org/pipermail/package-announce/2012-April/077463.html
http://lists.fedoraproject.org/pipermail/package-announce/2012-April/078403.html
http://lists.fedoraproject.org/pipermail/package-announce/2012-April/078835.html
http://rhn.redhat.com/errata/RHSA-2012-0468.html
http://secunia.com/advisories/48684
http://secunia.com/advisories/48722
http://secunia.com/advisories/48735
http://secunia.com/advisories/48757
http://secunia.com/advisories/48893
http://secunia.com/advisories/50726
http://security.gentoo.org/glsa/glsa-201209-02.xml
http://support.apple.com/kb/HT5501
http://support.apple.com/kb/HT5503
http://ubuntu.com/usn/usn-1416-1
http://www.debian.org/security/2012/dsa-2447
http://www.mandriva.com/security/advisories?name=MDVSA-2012:054
http://www.osvdb.org/81025
http://www.securityfocus.com/bid/52891
http://www.securitytracker.com/id?1026895
http://downloads.avaya.com/css/P8/documents/100161772
http://exchange.xforce.ibmcloud.com/vulnerabilities/74656
http://hermes.opensuse.org/messages/14302713

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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.