Vulnerability identifier: #VU63826

Vulnerability risk: Medium

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-1622

CWE-ID: N/A

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 attack.

The vulnerability exists due to a boundary condition in LZWDecode() function in libtiff/tif_lzw.c:619. A remote attacker can create a specially crafted TIFF file, trick the victim into opening it, trigger out-of-bounds read error and to perform a denial of service attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

LibTIFF: 3.4 - 4.3.0

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External links
http://gitlab.com/libtiff/libtiff/-/commit/b4e79bfa0c7d2d08f6f1e7ec38143fc8cb11394a
http://gitlab.com/libtiff/libtiff/-/issues/410
http://gitlab.com/gitlab-org/cves/-/blob/master/2022/CVE-2022-1622.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.