Buffer overflow in Liblouis - CVE-2023-26767

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Main Vulnerability Database Vulnerabilities #VU72859

Buffer overflow in Liblouis - CVE-2023-26767

Published: March 6, 2023 / Updated: April 5, 2023


Vulnerability identifier: #VU72859
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-26767
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

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.


Affected software

Liblouis
Gentoo Linux
Oracle Linux
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise High Performance Computing ESPOS 15
SUSE Linux Enterprise Desktop 15
SUSE CaaS Platform
SUSE Manager Proxy
SUSE Manager Retail Branch Server
SUSE Manager Server
SUSE Enterprise Storage
Anolis OS
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for x86_64
Oracle Solaris
SUSE Linux Enterprise Server 15 SP1 LTSS
SUSE Linux Enterprise High Performance Computing 15 SP1 LTSS
SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS
SUSE Linux Enterprise Server 15 SP2 LTSS
SUSE Linux Enterprise Server 15 SP3 LTSS
Desktop Applications Module
openSUSE Leap
Ubuntu
liblouis-bin (Ubuntu package)
liblouis9 (Ubuntu package)
liblouis-data
liblouis14
liblouis14-debuginfo
liblouis-debugsource
liblouis-debuginfo
python3-louis
liblouis-devel
python-louis (Ubuntu package)
liblouis19-debuginfo
liblouis19
liblouis20 (Ubuntu package)
liblouis-doc
liblouis
liblouis (Red Hat package)
liblouis20
liblouis20-debuginfo
liblouis-tools
liblouis-tools-debuginfo
dev-libs/liblouis

How to mitigate CVE-2023-26767

Install updates from vendor's website.

Liblouis - update to 3.25.0
liblouis-bin (Ubuntu package) - addressed in versions Ubuntu Pro, 3.5.0-1ubuntu0.5, 3.12.0-3ubuntu0.2, 3.20.0-2ubuntu0.2, 3.22.0-2ubuntu0.1, 3.24.0-1ubuntu0.1
liblouis9 (Ubuntu package) - update to Ubuntu Pro
liblouis-data - addressed in versions 3.3.0-150000.4.13.1, 3.11.0-150200.3.8.1, 3.20.0-150400.3.8.1
liblouis14 - update to 3.3.0-150000.4.13.1
liblouis14-debuginfo - update to 3.3.0-150000.4.13.1
liblouis-debugsource - addressed in versions 3.3.0-150000.4.13.1, 3.11.0-150200.3.8.1, 3.20.0-150400.3.8.1
liblouis-debuginfo - addressed in versions 3.3.0-150000.4.13.1, 3.11.0-150200.3.8.1, 3.20.0-150400.3.8.1
python3-louis - addressed in versions 3.3.0-150000.4.13.1, 3.11.0-150200.3.8.1, 3.20.0-150400.3.8.1
liblouis-devel - addressed in versions 3.3.0-150000.4.13.1, 3.11.0-150200.3.8.1, 3.20.0-150400.3.8.1
python-louis (Ubuntu package) - update to 3.5.0-1ubuntu0.5
liblouis19-debuginfo - update to 3.11.0-150200.3.8.1
liblouis19 - update to 3.11.0-150200.3.8.1
liblouis20 (Ubuntu package) - addressed in versions 3.12.0-3ubuntu0.2, 3.20.0-2ubuntu0.2, 3.22.0-2ubuntu0.1, 3.24.0-1ubuntu0.1
liblouis-doc - update to 3.16.1-5
liblouis - update to 3.16.1-5
python3-louis - update to 3.16.1-5
liblouis (Red Hat package) - update to 3.16.1-5.el9
liblouis-doc - update to 3.20.0-150400.3.8.1
liblouis20 - update to 3.20.0-150400.3.8.1
liblouis20-debuginfo - update to 3.20.0-150400.3.8.1
liblouis-tools - update to 3.20.0-150400.3.8.1
liblouis-tools-debuginfo - update to 3.20.0-150400.3.8.1
dev-libs/liblouis - update to 3.25.0

External References

Related Security Bulletins