MGASA-2021-0226 - Updated libebml packages fix security vulnerabilities

Publication date: 08 Jun 2021
URL: https://advisories.mageia.org/MGASA-2021-0226.html
Type: security
Affected Mageia releases: 7
CVE: CVE-2021-3405

Updated libebml packages fix security vulnerabilities:

Heap use-after-free when parsing malformed file.

A flaw was found in libebml before 1.4.2. A heap overflow bug exists in the implementation of EbmlString::ReadData and EbmlUnicodeString::ReadData in libebml (CVE-2021-3405). 

The mkvtoolnix, libmatroska packages have been rebuilt for the
updated libebml.

References:
- https://bugs.mageia.org/show_bug.cgi?id=28278
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/7COLX6WFFOI3RIOY2IOXWASU3QKAOWKO/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/JNHQI6MDOECJ2HT5GCLEX2DMJFEOWPW7/
- https://www.debian.org/lts/security/2021/dla-2629
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3405

SRPMS:
- 7/core/libebml-1.4.2-1.mga7
- 7/core/mkvtoolnix-32.0.0-2.1.mga7
- 7/core/libmatroska-1.5.0-2.1.mga7

Mageia 2021-0226: libebml security update

Updated libebml packages fix security vulnerabilities: Heap use-after-free when parsing malformed file

Summary

Updated libebml packages fix security vulnerabilities:
Heap use-after-free when parsing malformed file.
A flaw was found in libebml before 1.4.2. A heap overflow bug exists in the implementation of EbmlString::ReadData and EbmlUnicodeString::ReadData in libebml (CVE-2021-3405).
The mkvtoolnix, libmatroska packages have been rebuilt for the updated libebml.

References

- https://bugs.mageia.org/show_bug.cgi?id=28278

- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/7COLX6WFFOI3RIOY2IOXWASU3QKAOWKO/

- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/JNHQI6MDOECJ2HT5GCLEX2DMJFEOWPW7/

- https://www.debian.org/lts/security/2021/dla-2629

- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3405

Resolution

MGASA-2021-0226 - Updated libebml packages fix security vulnerabilities

SRPMS

- 7/core/libebml-1.4.2-1.mga7

- 7/core/mkvtoolnix-32.0.0-2.1.mga7

- 7/core/libmatroska-1.5.0-2.1.mga7

Severity
Publication date: 08 Jun 2021
URL: https://advisories.mageia.org/MGASA-2021-0226.html
Type: security
CVE: CVE-2021-3405

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