#VU68814 Heap-based buffer overflow in LibTIFF - CVE-2022-3570

Vulnerability identifier: #VU68814

Vulnerability risk: High

CVSSv4.0: 8.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber]

CVE-ID: CVE-2022-3570

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 in tiffcrop.c utility in libtiff when processing TIFF files. A remote attacker can pass specially crafted file 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: 3.9 - 4.6.1

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External links
https://gitlab.com/libtiff/libtiff/-/issues/386
https://gitlab.com/libtiff/libtiff/-/commit/bd94a9b383d8755a27b5a1bc27660b8ad10b094c
https://gitlab.com/libtiff/libtiff/-/issues/381
https://gitlab.com/gitlab-org/cves/-/blob/master/2022/CVE-2022-3570.json

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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. However, proof of concept for this vulnerability is available.