MGASA-2023-0325 - Updated lilypond packages fix a security vulnerability

Publication date: 27 Nov 2023
URL: https://advisories.mageia.org/MGASA-2023-0325.html
Type: security
Affected Mageia releases: 9
CVE: CVE-2020-17354

Updated lilypond packages fix a security vulnerability:

LilyPond before 2.24 allows attackers to bypass the -dsafe protection
mechanism via output-def-lookup or output-def-scope, as demonstrated by
dangerous Scheme code in a .ly file that causes arbitrary code execution
during conversion to a different file format. NOTE: in 2.24 and later
versions, safe mode is removed, and the product no longer tries to block
code execution when external files are used.

References:
- https://bugs.mageia.org/show_bug.cgi?id=31889
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-17354

SRPMS:
- 9/core/lilypond-2.24.2-2.mga9

Mageia 9 Security Update: Important LilyPond Vulnerability Fixed (CVE-2020-17354)

Updated lilypond packages fix a security vulnerability: LilyPond before 2.24 allows attackers to bypass the -dsafe protection mechanism via output-def-lookup or output-def-scope, ...

Summary

Updated lilypond packages fix a security vulnerability:
LilyPond before 2.24 allows attackers to bypass the -dsafe protection mechanism via output-def-lookup or output-def-scope, as demonstrated by dangerous Scheme code in a .ly file that causes arbitrary code execution during conversion to a different file format. NOTE: in 2.24 and later versions, safe mode is removed, and the product no longer tries to block code execution when external files are used.

References

- https://bugs.mageia.org/show_bug.cgi?id=31889

- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-17354

Resolution

MGASA-2023-0325 - Updated lilypond packages fix a security vulnerability

SRPMS

- 9/core/lilypond-2.24.2-2.mga9

Severity
Publication date: 27 Nov 2023
URL: https://advisories.mageia.org/MGASA-2023-0325.html
Type: security
CVE: CVE-2020-17354

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