Gentoo update for liblouis

Published: 2023-01-11

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2022-26981 CVE-2022-31783
CWE-ID	CWE-119 CWE-787
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Gentoo Linux Operating systems & Components / Operating system dev-libs/liblouis Operating systems & Components / Operating system package or component
Vendor	Gentoo

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Buffer overflow

EUVDB-ID: #VU64229

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 - Memory corruption

Exploit availability: No

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

Update the affected packages.
dev-libs/liblouis to version: 3.22.0

Vulnerable software versions

Gentoo Linux: All versions

dev-libs/liblouis: before 3.22.0

External links

http://security.gentoo.org/glsa/202301-06

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.

2) Out-of-bounds write

EUVDB-ID: #VU64230