Vulnerability identifier: #VU32749

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-2012-4564

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 ppm2tiff does not check the return value of the TIFFScanlineSize function, which. A remote attacker can use a crafted PPM image that triggers an integer overflow 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
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

LibTIFF: 1:6.0p1-4+deb7u4

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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/51133
http://www.debian.org/security/2012/dsa-2575
http://www.openwall.com/lists/oss-security/2012/11/02/3
http://www.openwall.com/lists/oss-security/2012/11/02/7
http://www.osvdb.org/86878
http://www.securityfocus.com/bid/56372
http://www.ubuntu.com/usn/USN-1631-1
http://bugzilla.redhat.com/show_bug.cgi?id=871700
http://exchange.xforce.ibmcloud.com/vulnerabilities/79750

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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.