CVE-2008-3825
Description
From CVE.org
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.
Statement
This issue did not affect the version of pam_krb5 shipped in Red Hat Enterprise Linux 2.1, 3, or 4.
Acknowledgements
Red Hat would like to thank Stéphane Bertin for reporting this issue.
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