Vulnerability identifier: #VU11072

Vulnerability risk: Low

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2016-5314

CWE-ID: CWE-120

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 unauthenticated attacker to cause DoS condition on the target system.

The weakness exists in the PixarLogDecode function due to boundary error. A remote attacker submit a specially crafted TIFF image, trigger memory corruption and cause the service to crash.

Mitigation
Update to version 4.0.9.

Vulnerable software versions

LibTIFF: 3.4 - 4.0.6

---

External links
http://github.com/vadz/libtiff/commit/391e77fcd217e78b2c51342ac3ddb7100ecacdd2

---

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.