SB2023030648 - Buffer overflow in liblouis



SB2023030648 - Buffer overflow in liblouis

Published: March 6, 2023 Updated: April 6, 2023

Security Bulletin ID SB2023030648
Severity
Low
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) Buffer overflow (CVE-ID: CVE-2023-26767)

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.


2) Buffer overflow (CVE-ID: CVE-2023-26769)

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

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

3) Buffer overflow (CVE-ID: CVE-2023-26768)

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

The vulnerability exists due to a boundary error within the lou_setDataPath in compileTranslationTable.c. A local user can trigger memory corruption and perform a denial of service (DoS) attack.

Remediation

Install update from vendor's website.