CVE-2008-3825

pam_krb5 existing_ticket permission flaw

Published Oct 3, 2008 CVSS 2.0 · 4.4 Medium EPSS < 1% KEV · Not listed
Description
pam_krb5 2.2.14 in Red Hat Enterprise Linux (RHEL) 5 and earlier, when the existing_ticket option is enabled, uses incorrect privileges when reading a Kerberos credential cache, which allows local users to gain privileges by setting the KRB5CCNAME environment variable to an arbitrary cache filename and running the (1) su or (2) sudo program. NOTE: there may be a related vector involving sshd that has limited relevance.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2008-3811 pam_krb5 2.2.14 in Red Hat Enterprise Linux (RHEL) 5 and earlier, when the existing_ticket option is enabled, uses incorrect privileges when reading a Kerberos credential cache, which allows local users to gain privileges by setting the KRB5CCNAME environment variable to an arbitrary cache filename and running the (1) su or (2) sudo program. NOTE: there may be a related vector involving sshd that has limited relevance.
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Aug 7, 2024, 9:53 AM
Reserved
Aug 27, 2008, 12:00 AM
Status
Modified
Published
Oct 3, 2008, 3:07 PM
Modified
Jun 16, 2026, 10:56 PM
Severity
Moderate
Public date
Oct 1, 2008, 12:00 AM