Buffer overflow in the RPC library used by libgssrpc and kadmind in MIT Kerberos 5 (krb5)…
Priority MEDIUM 54CWE-119Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-119 and the CVSS impact.
Summary
Buffer overflow in the RPC library used by libgssrpc and kadmind in MIT Kerberos 5 (krb5) 1.4 through 1.6.3 allows remote attackers to execute arbitrary code by triggering a large number of open file descriptors.
Why it matters now
EPSS 0.08832 95th percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory
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
CPE configurations NVD · 13
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:mit:kerberos_5:1.4:*:*:*:*:*:*:* | 1.4 | Vulnerable | moos-ivp |
| cpe:2.3:a:mit:kerberos_5:1.4.1:*:*:*:*:*:*:* | 1.4.1 | Vulnerable | moos-ivp |
| cpe:2.3:a:mit:kerberos_5:1.4.2:*:*:*:*:*:*:* | 1.4.2 | Vulnerable | moos-ivp |
| cpe:2.3:a:mit:kerberos_5:1.4.3:*:*:*:*:*:*:* | 1.4.3 | Vulnerable | moos-ivp |
| cpe:2.3:a:mit:kerberos_5:1.4.4:*:*:*:*:*:*:* | 1.4.4 | Vulnerable | moos-ivp |
| cpe:2.3:a:mit:kerberos_5:1.5:*:*:*:*:*:*:* | 1.5 | Vulnerable | moos-ivp |
| cpe:2.3:a:mit:kerberos_5:1.5.1:*:*:*:*:*:*:* | 1.5.1 | Vulnerable | moos-ivp |
| cpe:2.3:a:mit:kerberos_5:1.5.2:*:*:*:*:*:*:* | 1.5.2 | Vulnerable | moos-ivp |
| cpe:2.3:a:mit:kerberos_5:1.5.3:*:*:*:*:*:*:* | 1.5.3 | Vulnerable | moos-ivp |
| cpe:2.3:a:mit:kerberos_5:1.6:*:*:*:*:*:*:* | 1.6 | Vulnerable | moos-ivp |
- cpe:2.3:a:mit:kerberos_5:1.4:*:*:*:*:*:*:* Versions 1.4 Vulnerable ·moos-ivp
- cpe:2.3:a:mit:kerberos_5:1.4.1:*:*:*:*:*:*:* Versions 1.4.1 Vulnerable ·moos-ivp
- cpe:2.3:a:mit:kerberos_5:1.4.2:*:*:*:*:*:*:* Versions 1.4.2 Vulnerable ·moos-ivp
- cpe:2.3:a:mit:kerberos_5:1.4.3:*:*:*:*:*:*:* Versions 1.4.3 Vulnerable ·moos-ivp
- cpe:2.3:a:mit:kerberos_5:1.4.4:*:*:*:*:*:*:* Versions 1.4.4 Vulnerable ·moos-ivp
- cpe:2.3:a:mit:kerberos_5:1.5:*:*:*:*:*:*:* Versions 1.5 Vulnerable ·moos-ivp
- cpe:2.3:a:mit:kerberos_5:1.5.1:*:*:*:*:*:*:* Versions 1.5.1 Vulnerable ·moos-ivp
- cpe:2.3:a:mit:kerberos_5:1.5.2:*:*:*:*:*:*:* Versions 1.5.2 Vulnerable ·moos-ivp
- cpe:2.3:a:mit:kerberos_5:1.5.3:*:*:*:*:*:*:* Versions 1.5.3 Vulnerable ·moos-ivp
- cpe:2.3:a:mit:kerberos_5:1.6:*:*:*:*:*:*:* Versions 1.6 Vulnerable ·moos-ivp
Remediation
Red Hat 1 advisory
- RHSA-2008:0164 Released 2008-03-18 · Red Hat rating Criticalkrb5 security and bugfix update
- Red Hat Enterprise Linux (v. 5 server) krb5-1.6.1-17.el5_1.1, krb5-devel-1.6.1-17.el5_1.1, krb5-devel-1.6.1-17.el5_1.1.i386 +14
- Red Hat Enterprise Linux Desktop (v. 5 client) krb5-1.6.1-17.el5_1.1, krb5-libs-1.6.1-17.el5_1.1, krb5-libs-1.6.1-17.el5_1.1.i386 +2
- Red Hat Enterprise Linux Desktop Workstation (v. 5 client) krb5-1.6.1-17.el5_1.1, krb5-devel-1.6.1-17.el5_1.1, krb5-devel-1.6.1-17.el5_1.1.i386 +2
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-2008:0164 |
| Red Hat Enterprise Linux Desktop (v. 5 client) | Fixed | RHSA-2008:0164 |
| Red Hat Enterprise Linux Desktop Workstation (v. 5 client) | Fixed | RHSA-2008:0164 |
Timeline
- 2026-10-02 Threatist record created from CVE-2008-0947
- 2026-10-03 Alias added: GHSA-w9c3-3cvm-x4wm
References
Advisory 13
Other 8
- http://wiki.rpath.com/Advisories:rPSA-2008-0112
- http://support.novell.com/docs/Readmes/InfoDocument/patchbuilder/readme_5022542.html
- http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0112
- ADV-2008-0922
- oval:org.mitre.oval:def:10984
- http://support.novell.com/docs/Readmes/InfoDocument/patchbuilder/readme_5022520.html
- http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2008-002.txt
- ADV-2008-1102
More moos-ivp Kerberos 5 vulnerabilities
- TI-2024-17421 Kerberos 5 (aka krb5) 1.21.2 contains a memory leak vulnerability in /krb5/src/lib/gssapi/krb5/k5sealv3.c. CVSS 3.1HIGH 7.5
- TI-2001-00539 Buffer overflow in BSD-based telnetd telnet daemon on various operating systems allows… CVSS 2.0HIGH 10.0
- TI-2026-29130 NULL pointer dereference in moos-ivp Kerberos 5 CVSS 3.1HIGH 7.5
- TI-2007-00929 The telnet daemon (telnetd) in MIT krb5 before 1.6.1 allows remote attackers to bypass… CVSS 2.0HIGH 10.0
- TI-2011-00268 The process_chpw_request function in schpw.c in the password-changing functionality in… CVSS 2.0HIGH 10.0
- TI-2001-00245 Buffer overflows in BSD-based FTP servers allows remote attackers to execute arbitrary… CVSS 2.0HIGH 10.0
Sources
- CVE-2008-0947 · CVE Program
- CVE-2008-0947 · NVD
- FIRST EPSS
- GHSA-w9c3-3cvm-x4wm · GitHub Advisory Database · CC BY 4.0
- CVE-2008-0947 · Red Hat security data · CC BY 4.0
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