#VU79328 Buffer overflow in LibTIFF - CVE-2023-25434

Vulnerability identifier: #VU79328

Vulnerability risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2023-25434

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 attacker to execute arbitrary code on the system.

The vulnerability exists due to buffer overflow in the extractContigSamplesBytes() at /libtiff/tools/tiffcrop.c:3215. A remote unauthenticated attacker can trick the victim into opening a specially crafted file and execute arbitrary code on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

LibTIFF: 4.5.0

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External links
https://gitlab.com/libtiff/libtiff/-/issues/519

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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.