#VU11494 Improper input validation in LibTIFF


Published: 2018-04-03

Vulnerability identifier: #VU11494

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-2017-11613

CWE-ID: CWE-20

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 on the target system.

The weakness exists in the TIFFOpen function due to improper checking of td_imagelength during the TIFFOpen process. A remote attacker can cause the service to crash.

Mitigation
Install update from vendor's website.

Vulnerable software versions

LibTIFF: 4.0.8


External links
http://gist.github.com/dazhouzhou/1a3b7400547f23fe316db303ab9b604f


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.


Latest bulletins with this vulnerability