Vulnerability identifier: #VU85068

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-2023-6277

CWE-ID: CWE-400

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 application does not properly control consumption of internal resources within the TIFFOpen() API. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

LibTIFF: All versions

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External links
http://bugzilla.redhat.com/show_bug.cgi?id=2251311
http://gitlab.com/libtiff/libtiff/-/issues/614
http://gitlab.com/libtiff/libtiff/-/merge_requests/545
http://gitlab.com/libtiff/libtiff/-/commit/d6bbe53a96b031ab8b53d20241825ddf9e8bf8f1
http://gitlab.com/libtiff/libtiff/-/commit/264a28eff71cf0038ba7b235238512fa594fa42f
http://gitlab.com/libtiff/libtiff/-/commit/abb4476fd2be87fc8ded3078e019f22f84ee0e8c

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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.