Heap-based buffer overflow in LibTIFF - CVE-2020-18768
Published: November 6, 2023
Vulnerability identifier: #VU82762
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-18768
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
LibTIFF
LibTIFF
Software vendor:
LibTIFF
LibTIFF
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error within the _TIFFmemcpy() function in tif_unix.c. A remote attacker can pass specially crafted image to the application, trigger a heap-based buffer overflow and perform a denial of service (DoS) attack.
Remediation
Install updates from vendor's website.