#VU69400 Reachable Assertion in LibTIFF


Published: 2022-11-17

Vulnerability identifier: #VU69400

Vulnerability risk: Medium

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-2022-2520

CWE-ID: CWE-617

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 perform a denial of service (DoS) attack.

The vulnerability exists due to a reachable assertion within the rotateImage() function in tiffcrop.c. A remote attacker can pass a specially crafted file to the application, trigger assertion failure and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

LibTIFF: 4.0 - 4.4.0 rc1


External links
http://gitlab.com/libtiff/libtiff/-/issues/424
http://gitlab.com/libtiff/libtiff/-/merge_requests/378


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