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Mageia: 2021-0368 Moderate Risk: Lib3mf Code Execution Threat

mageia
Calendar Grey July 25, 2021
Dist Mageia Esm H88
The latest lib3mf updates fix a critical use-after-free vulnerability in Mageia, strengthening defenses against possible exploits.
A use-after-free vulnerability exists in the NMR::COpcPackageReader::releaseZIP() functionality of 3MF Consortium lib3mf 2.0.0

Summary

A use-after-free vulnerability exists in the NMR::COpcPackageReader::releaseZIP() functionality of 3MF Consortium lib3mf 2.0.0. A specially crafted 3MF file can lead to code execution. An attacker can provide a malicious file to trigger this vulnerability (CVE-2021-21772).
A new package 'act' is introduced to build newer version of lib3mf.
Also, openscad is rebuilt against this updated library.

References

- https://bugs.mageia.org/show_bug.cgi?id=29018

- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/WDGGB65YBQL662M3MOBNNJJNRNURW4TG/

- https://www.cve.org/CVERecord?id=CVE-2021-21772

Resolution

SRPMS

- 8/core/lib3mf-2.1.1-1.mga8

- 8/core/act-1.6.0-4.mga8

- 8/core/openscad-2021.01-1.2.mga8

Publication date: 25 Jul 2021
URL: https://advisories.mageia.org/MGASA-2021-0368.html
Type: security
CVE: CVE-2021-21772

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