Out-of-bounds write in LibTIFF - CVE-2023-0804

Vulnerability identifier: #VU72601

CSH Severity: Medium

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green

CVE-ID: CVE-2023-0804

CWE-ID: CWE-787

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vendor: LibTIFF

Affected software:
LibTIFF

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error within the tiffcrop() function in tools/tiffcrop.c. A remote attacker can pass a specially crafted TIFF file to the application, trigger an out-of-bounds write and perform a denial of service (DoS) attack.

Install updates from vendor's repository.

• https://gitlab.com/libtiff/libtiff/-/commit/33aee1275d9d1384791d2206776eb8152d397f00
• https://gitlab.com/libtiff/libtiff/-/issues/497
• https://gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-0804.json