Vulnerability identifier: #VU69403

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-2022-34526

CWE-ID: CWE-121

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 boundary error within the _TIFFVGetField() function in Tiffsplit. A remote attacker can pass specially crafted file to the application, trigger a stack-based buffer overflow 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

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External links
http://gitlab.com/libtiff/libtiff/-/issues/433
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FC6LWPAEKYJ57LSHX4SBFMLRMLOZTHIJ/
http://security.netapp.com/advisory/ntap-20220930-0002/

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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.