MGASA-2023-0150 - Updated squirrel/supertux packages fix security vulnerability Publication date: 24 Apr 2023 URL: https://advisories.mageia.org/MGASA-2023-0150.html Type: security Affected Mageia releases: 8 CVE: CVE-2021-41556 sqclass.cpp in Squirrel 3.1 allows an out-of-bounds read (in the core interpreter) that can lead to Code Execution. If a victim executes an attacker-controlled squirrel script, it is possible for the attacker to break out of the squirrel script sandbox even if all dangerous functionality such as File System functions has been disabled. An attacker might abuse this bug to target (for example) Cloud services that allow customization via SquirrelScripts, or distribute malware through video games that embed a Squirrel Engine. (CVE-2021-41556) supertux has been rebuilt as it uses a bundled copy of squirrel. References: - https://bugs.mageia.org/show_bug.cgi?id=30742 - https://lists.fedoraproject.org/archives/list/[email protected]/thread/M3FQILX7UUEERSDPMZP3MKGTMY2E7ESU/ - https://lists.opensuse.org/archives/list/[email protected]/thread/5NX6SWKNR7LNUXJROLGLSVD3ZEB4LUQY/ - https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-41556 SRPMS: - 8/core/squirrel-3.2-1.mga8 - 8/core/supertux-0.6.2-4.2.mga8
Mageia 2023-0150: squirrel/supertux security update
sqclass.cpp in Squirrel 3.1 allows an out-of-bounds read (in the core interpreter) that can lead to Code Execution
Summary
sqclass.cpp in Squirrel 3.1 allows an out-of-bounds read (in the core
interpreter) that can lead to Code Execution. If a victim executes an
attacker-controlled squirrel script, it is possible for the attacker to
break out of the squirrel script sandbox even if all dangerous
functionality such as File System functions has been disabled. An
attacker might abuse this bug to target (for example) Cloud services
that allow customization via SquirrelScripts, or distribute malware
through video games that embed a Squirrel Engine. (CVE-2021-41556)
supertux has been rebuilt as it uses a bundled copy of squirrel.
References
- https://bugs.mageia.org/show_bug.cgi?id=30742
- https://lists.fedoraproject.org/archives/list/[email protected]/thread/M3FQILX7UUEERSDPMZP3MKGTMY2E7ESU/
- https://lists.opensuse.org/archives/list/[email protected]/thread/5NX6SWKNR7LNUXJROLGLSVD3ZEB4LUQY/
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-41556
Resolution
MGASA-2023-0150 - Updated squirrel/supertux packages fix security vulnerability
SRPMS
- 8/core/squirrel-3.2-1.mga8
- 8/core/supertux-0.6.2-4.2.mga8
Severity
Publication date: 24 Apr 2023
URL: https://advisories.mageia.org/MGASA-2023-0150.html
Type: security
CVE: CVE-2021-41556
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