#VU69403 Stack-based buffer overflow in LibTIFF - CVE-2022-34526

Vulnerability identifier: #VU69403

Vulnerability risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

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

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External links
https://gitlab.com/libtiff/libtiff/-/issues/433
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FC6LWPAEKYJ57LSHX4SBFMLRMLOZTHIJ/
https://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.