#VU32100 Out-of-bounds read in LibTIFF - CVE-2016-10269

Vulnerability identifier: #VU32100

Vulnerability risk: Medium

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2016-10269

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 512" and libtiff/tif_unix.c:340:2.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

LibTIFF: 1:6.0p1-4+deb7u4

---

External links
https://www.debian.org/security/2017/dsa-3844
https://www.securityfocus.com/bid/97201
https://blogs.gentoo.org/ago/2017/01/01/libtiff-multiple-heap-based-buffer-overflow/
https://github.com/vadz/libtiff/commit/1044b43637fa7f70fb19b93593777b78bd20da86
https://usn.ubuntu.com/3602-1/

---

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.