#VU72594 Out-of-bounds read in LibTIFF - CVE-2023-0798

Vulnerability identifier: #VU72594

Vulnerability risk: Medium

CVSSv4.0: 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-2023-0798

CWE-ID: CWE-125

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerable software:
LibTIFF

Software vendor:
LibTIFF

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

The vulnerability exists due to a boundary condition 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 read error and perform a denial of service (DoS) attack.

Install updates from vendor's repository.

• https://gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-0798.json
• https://gitlab.com/libtiff/libtiff/-/commit/afaabc3e50d4e5d80a94143f7e3c997e7e410f68
• https://gitlab.com/libtiff/libtiff/-/issues/492