MGASA-2023-0350 - Updated cjose packages fix a security vulnerability

Publication date: 18 Dec 2023
URL: https://advisories.mageia.org/MGASA-2023-0350.html
Type: security
Affected Mageia releases: 8, 9
CVE: CVE-2023-37464

The updated packages fix a security vulnerability:
The AES GCM decryption routine incorrectly uses the Tag length from the
actual Authentication Tag provided in the JWE. The spec says that a
fixed length of 16 octets must be applied. Therefore this bug allows an
attacker to provide a truncated Authentication Tag and to modify the JWE
accordingly. (CVE-2023-37464)

References:
- https://bugs.mageia.org/show_bug.cgi?id=32274
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DFWAPMYYVBO2U65HPYDTBEKNSXG4TP5C/
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-37464

SRPMS:
- 9/core/cjose-0.6.1-3.1.mga9
- 8/core/cjose-0.6.1-1.1.mga8

Mageia 2023-0350: cjose security update

The updated packages fix a security vulnerability: The AES GCM decryption routine incorrectly uses the Tag length from the actual Authentication Tag provided in the JWE

Summary

The updated packages fix a security vulnerability: The AES GCM decryption routine incorrectly uses the Tag length from the actual Authentication Tag provided in the JWE. The spec says that a fixed length of 16 octets must be applied. Therefore this bug allows an attacker to provide a truncated Authentication Tag and to modify the JWE accordingly. (CVE-2023-37464)

References

- https://bugs.mageia.org/show_bug.cgi?id=32274

- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DFWAPMYYVBO2U65HPYDTBEKNSXG4TP5C/

- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-37464

Resolution

MGASA-2023-0350 - Updated cjose packages fix a security vulnerability

SRPMS

- 9/core/cjose-0.6.1-3.1.mga9

- 8/core/cjose-0.6.1-1.1.mga8

Severity
Publication date: 18 Dec 2023
URL: https://advisories.mageia.org/MGASA-2023-0350.html
Type: security
CVE: CVE-2023-37464

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