What’s Vulnerable › Vulnerabilities

CVE-2008-3825

• Severity: medium (CVSS 4.4 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2008-10-03 · updated 2026-06-16
• Weakness: CWE-264

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.

Affected products

• Red Hat Enterprise Linux: 5-unknown
• RedHat Enterprise Linux Desktop: 5-unknown

References

• http://lists.opensuse.org/opensuse-security-announce/2008-12/msg00002.html
• http://secunia.com/advisories/32119
• http://secunia.com/advisories/32135
• http://secunia.com/advisories/32174
• http://secunia.com/advisories/43314
• http://www.mandriva.com/security/advisories?name=MDVSA-2008:209
• http://www.redhat.com/support/errata/RHSA-2008-0907.html
• http://www.securityfocus.com/archive/1/516397/100/0/threaded
• http://www.securityfocus.com/bid/31534
• http://www.securitytracker.com/id?1020978
• http://www.vmware.com/security/advisories/VMSA-2011-0003.html
• https://bugzilla.redhat.com/show_bug.cgi?id=461960

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