Out-of-bounds write in Liblouis - CVE-2022-31783

 

Out-of-bounds write in Liblouis - CVE-2022-31783

Published: June 13, 2022


Vulnerability identifier: #VU64230
CSH Severity: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2022-31783
CWE-ID: CWE-787
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Liblouis
Software vendor:
Liblouis

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary within the in compileRule() function in compileTranslationTable.c. A remote attacker can trick the victim to pass specially crafted data to the application, trigger an out-of-bounds write and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Install updates from vendor's website.

External links