Headline
Gentoo Linux Security Advisory 202301-06
Gentoo Linux Security Advisory 202301-6 - Multiple vulnerabilities have been discovered in liblouis, the worst of which could result in denial of service. Versions less than 3.22.0 are affected.
Gentoo Linux Security Advisory GLSA 202301-06
https://security.gentoo.org/
Severity: Low
Title: liblouis: Multiple Vulnerabilities
Date: January 11, 2023
Bugs: #835093
ID: 202301-06
Synopsis
Multiple vulnerabilities have been discovered in liblouis, the worst of
which could result in denial of service.
Background
liblouis is an open-source braille translator and back-translator.
Affected packages
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 dev-libs/liblouis < 3.22.0 >= 3.22.0
Description
Multiple vulnerabilities have been discovered in liblouis. Please review
the CVE identifiers referenced below for details.
Impact
Please review the referenced CVE identifiers for details.
Workaround
There is no known workaround at this time.
Resolution
All liblouis users should upgrade to the latest version:
emerge --sync
emerge --ask --oneshot --verbose “>=dev-libs/liblouis-3.22.0”
References
[ 1 ] CVE-2022-26981
https://nvd.nist.gov/vuln/detail/CVE-2022-26981
[ 2 ] CVE-2022-31783
https://nvd.nist.gov/vuln/detail/CVE-2022-31783
Availability
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/202301-06
Concerns?
Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users’ machines is of utmost
importance to us. Any security concerns should be addressed to
[email protected] or alternatively, you may file a bug at
https://bugs.gentoo.org.
License
Copyright 2023 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).
The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.
https://creativecommons.org/licenses/by-sa/2.5
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Ubuntu Security Notice 5476-1 - Han Zheng discovered that Liblouis incorrectly handled certain inputs. An attacker could possibly use this issue to cause a crash. This issue was addressed in Ubuntu 21.10 and Ubuntu 22.04 LTS. It was discovered that Liblouis incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code or cause a crash.
Ubuntu Security Notice 5476-1 - Han Zheng discovered that Liblouis incorrectly handled certain inputs. An attacker could possibly use this issue to cause a crash. This issue was addressed in Ubuntu 21.10 and Ubuntu 22.04 LTS. It was discovered that Liblouis incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code or cause a crash.
Liblouis 3.21.0 has an out-of-bounds write in compileRule in compileTranslationTable.c, as demonstrated by lou_trace.
Liblouis through 3.21.0 has a buffer overflow in compilePassOpcode in compileTranslationTable.c (called, indirectly, by tools/lou_checktable.c).