pam_krb5 2.2.14 in Red Hat Enterprise Linux (RHEL) 5 and earlier, when the…
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Partial · Partial · Partial
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-264.
Summary
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.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
Red Hat 1 advisory
- RHSA-2008:0907 Released 2008-10-02 · Red Hat rating Moderatepam_krb5 security update
- Red Hat Enterprise Linux (v. 5 server) pam_krb5-2.2.14-1.el5_2.1, pam_krb5-2.2.14-1.el5_2.1.i386, pam_krb5-2.2.14-1.el5_2.1.ia64 +1
- Red Hat Enterprise Linux Desktop (v. 5 client) pam_krb5-2.2.14-1.el5_2.1, pam_krb5-2.2.14-1.el5_2.1.i386
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux (v. 5 server) | Fixed | RHSA-2008:0907 |
| Red Hat Enterprise Linux Desktop (v. 5 client) | Fixed | RHSA-2008:0907 |
Timeline
- 2026-10-02 Threatist record created from CVE-2008-3825
- 2026-10-03 Alias added: GHSA-7mvj-f88g-7mgj
References
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Sources
- CVE-2008-3825 · CVE Program
- CVE-2008-3825 · NVD
- FIRST EPSS
- GHSA-7mvj-f88g-7mgj · GitHub Advisory Database · CC BY 4.0
- CVE-2008-3825 · Red Hat security data · CC BY 4.0
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