#VU12655 Out-of-bounds write in LibTIFF - CVE-2016-9453

Vulnerability identifier: #VU12655

Vulnerability risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2016-9453

CWE-ID: CWE-787

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 cause DoS condition or execute arbitrary code on the target system.

The weakness exists in the t2p_readwrite_pdf_image_tile function due to out-of-bounds write. A remote attacker can trick the victim into opening a specially crafted JPEG file with a TIFFTAG_JPEGTABLES of length one and cause the service to rash or execute arbitrary code.

Successful exploitation of the vulnerability may result in system compromise.

Mitigation
Install update from vendor's website.

Vulnerable software versions

LibTIFF: All versions

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External links
https://bugzilla.maptools.org/show_bug.cgi?id=2579

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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.