Vulnerability identifier: #VU32101

Vulnerability risk: Medium

CVSSv3.1: 7.1 [AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2016-10270

CWE-ID: CWE-125

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
LibTIFF
Universal components / Libraries / Libraries used by multiple products

Vendor: LibTIFF

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error in LibTIFF 4.0.7. A remote attacker can perform a denial of service (heap-based buffer over-read) or possibly have unspecified other impact via a crafted TIFF image, related to "READ of size 8" and libtiff/tif_read.c:523:22.

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://www.debian.org/security/2017/dsa-3844
http://www.securityfocus.com/bid/97200
http://blogs.gentoo.org/ago/2017/01/01/libtiff-multiple-heap-based-buffer-overflow/
http://github.com/vadz/libtiff/commit/9a72a69e035ee70ff5c41541c8c61cd97990d018

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.