Input validation error in gThumb - CVE-2020-36427

 

Input validation error in gThumb - CVE-2020-36427

Published: October 14, 2022


Vulnerability identifier: #VU68335
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-36427
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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

The vulnerability exists due to insufficient validation of user-supplied input when handling JPEG files. A remote attacker can trick the victim to open a specially crafted file and perform a denial of service (DoS) attack.


Affected software

gThumb
Ubuntu
gthumb-data (Ubuntu package)
gthumb (Ubuntu package)

How to mitigate CVE-2020-36427

Install updates from vendor's website.

gThumb - update to 3.10.1
gthumb-data (Ubuntu package) - update to 3:3.8.0-2.1ubuntu0.1
gthumb (Ubuntu package) - update to 3:3.8.0-2.1ubuntu0.1

External References

Related Security Bulletins