Vulnerability identifier: #VU64229

Vulnerability risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-26981

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Liblouis
Universal components / Libraries / Libraries used by multiple products

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 compilePassOpcode() function in compileTranslationTable.c. A remote attacker can trick the victim to pass specially crafted data to the application, trigger memory corruption and execute arbitrary code on the target system.

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

Mitigation
Install update from vendor's website.

Vulnerable software versions

Liblouis: 2.5.2 - 3.21.0

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External links
http://github.com/liblouis/liblouis/issues/1171

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.