MGASA-2021-0543 - Updated heimdal packages fix security vulnerability

Publication date: 08 Dec 2021
URL: https://advisories.mageia.org/MGASA-2021-0543.html
Type: security
Affected Mageia releases: 8
CVE: CVE-2021-3671

A null pointer de-reference was found in the way samba kerberos server
handled missing sname in TGS-REQ (Ticket Granting Server - Request).
An authenticated user could use this flaw to crash a samba server using
heimdal

References:
- https://bugs.mageia.org/show_bug.cgi?id=29658
- https://ubuntu.com/security/CVE-2021-3671
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3671

SRPMS:
- 8/core/heimdal-7.7.0-5.1.mga8

Mageia 2021-0543: heimdal security update

A null pointer de-reference was found in the way samba kerberos server handled missing sname in TGS-REQ (Ticket Granting Server - Request)

Summary

A null pointer de-reference was found in the way samba kerberos server handled missing sname in TGS-REQ (Ticket Granting Server - Request). An authenticated user could use this flaw to crash a samba server using heimdal

References

- https://bugs.mageia.org/show_bug.cgi?id=29658

- https://ubuntu.com/security/CVE-2021-3671

- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3671

Resolution

MGASA-2021-0543 - Updated heimdal packages fix security vulnerability

SRPMS

- 8/core/heimdal-7.7.0-5.1.mga8

Severity
Publication date: 08 Dec 2021
URL: https://advisories.mageia.org/MGASA-2021-0543.html
Type: security
CVE: CVE-2021-3671

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