#VU71620 Heap-based buffer overflow in LibTIFF - CVE-2022-48281

Vulnerability identifier: #VU71620

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-2022-48281

CWE-ID: CWE-122

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 target system.

The vulnerability exists due to a boundary error within the processCropSelections() function in tools/tiffcrop.c in LibTIFF. A remote attacker can pass a specially crafted TIFF image to the application, trigger a heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

LibTIFF: 4.0 - 4.5.0

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External links
https://gitlab.com/libtiff/libtiff/-/issues/488
https://gitlab.com/libtiff/libtiff/-/commit/d1b6b9c1b3cae2d9e37754506c1ad8f4f7b646b5

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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.