Heimdal: Multiple Vulnerabilities — GLSA 202310-06

Multiple vulnerabilities have been discovered in Heimdal, the worst of which could lead to remote code execution on a KDC.

Affected packages

app-crypt/heimdal on all architectures
Affected versions < 7.8.0-r1
Unaffected versions >= 7.8.0-r1

Background

Heimdal is a free implementation of Kerberos 5.

Description

Multiple vulnerabilities have been discovered in Heimdal, the worst of which could lead to remote code execution on a Kerberos Domain Controller. Please review the CVE identifiers referenced below for details.

Impact

Please review the referenced CVE identifiers for details.

Workaround

There is no known workaround at this time.

Resolution

All Cross-realm trust vulnerability in Heimdal users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=app-crypt/heimdal-7.8.0-r1"
 

References

Release date
October 08, 2023

Latest revision
October 08, 2023: 1

Severity
high

Exploitable
remote

Bugzilla entries