#VU63910 Buffer overflow in LibTIFF - CVE-2020-19131
Published: June 1, 2022 / Updated: June 6, 2022
Vulnerability identifier: #VU63910
Vulnerability risk: Medium
CVSSv4.0: 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-2020-19131
CWE-ID: CWE-119
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 attack.
The vulnerability exists due to a boundary error in the invertImage() function in the tiffcrop component. A remote attacker can pass a specially crafted file to the application and perform a denial of service attack.
Remediation
Install updates from vendor's website.
External links
- http://bugzilla.maptools.org/show_bug.cgi?id=2831
- http://blog.topsec.com.cn/%E5%A4%A9%E8%9E%8D%E4%BF%A1%E5%85%B3%E4%BA%8Elibtiff%E4%B8%ADinvertimage%E5%87%BD%E6%95%B0%E5%A0%86%E6%BA%A2%E5%87%BA%E6%BC%8F%E6%B4%9E%E7%9A%84%E5%88%86%E6%9E%90/
- https://lists.debian.org/debian-lts-announce/2021/10/msg00004.html