#VU72859 Buffer overflow in Liblouis


Published: 2023-03-06 | Updated: 2023-04-05

Vulnerability identifier: #VU72859

Vulnerability risk: Low

CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-26767

CWE-ID: CWE-119

Exploitation vector: Local

Exploit availability: No

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

Vendor: Liblouis

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error within lou_setDataPath, lou_logFile and resolveSubtable. A local user can trigger memory corruption and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Liblouis: 3.0.0 - 3.24.0


External links
http://github.com/liblouis/liblouis/releases/tag/v3.25.0
http://github.com/liblouis/liblouis/issues/1292
http://github.com/liblouis/liblouis/pull/1297


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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


Latest bulletins with this vulnerability