Vulnerability identifier: #VU73915

Vulnerability risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-4645

CWE-ID: CWE-125

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 (DoS) attack.

The vulnerability exists due to a boundary condition within tools/tiffcp.c. A remote attacker can pass a specially crafted TIFF file to the application using the affected library, trigger an out-of-bounds read error and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

LibTIFF: 4.0 - 4.6.1

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External links
http://gitlab.com/libtiff/libtiff/-/commit/e813112545942107551433d61afd16ac094ff246
http://gitlab.com/libtiff/libtiff/-/issues/277
http://gitlab.com/gitlab-org/cves/-/blob/master/2022/CVE-2022-4645.json
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BA6GRCAQ7NR2OK5N44UQRGUJBIYKWJJH/
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2ZTFA6GGOKFPIQNHDBMXYUR4XUXUJESE/
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OLM763GGZVVOAXIQXG6YGTYJ5VFYNECQ/

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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.