Vulnerability identifier: #VU79329

Vulnerability risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-25435

CWE-ID: CWE-120

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
LibTIFF
Universal components / Libraries / Libraries used by multiple products

Vendor: LibTIFF

Description

The vulnerability allows a local attacker to perform a denial of service attack.

The vulnerability exists due to buffer overflow in the extractContigSamplesShifted8bits() at /libtiff/tools/tiffcrop.c:3753. A local unauthenticated attacker can trick the victim into opening a specially crafted file and perform a denial of service attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

LibTIFF: 4.5.0

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External links
http://gitlab.com/libtiff/libtiff/-/issues/518

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.