SB2022060632 - Denial of service in LibTIFF
Published: June 6, 2022
Security Bulletin ID
SB2022060632
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Buffer overflow (CVE-ID: CVE-2020-19131)
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 update from vendor's website.
References
- 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