Denial of service in libtiff



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-6277
CWE-ID CWE-400
Exploitation vector Network
Public exploit N/A
Vulnerable software
 LibTIFF
Universal components / Libraries / Libraries used by multiple products

Vendor LibTIFF

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Resource exhaustion

EUVDB-ID: #VU85068

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-6277

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

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

CPE2.3 External links

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


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.



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