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
CVSS v4.0: 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
Vendor: Liblouis
Affected software:
Liblouis

Detailed vulnerability 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.


How to mitigate CVE-2022-31783

Install updates from vendor's website.

Sources