The Kerberos 4 support in KDC in MIT Kerberos 5 (krb5kdc) does not properly clear the…
Priority LOW 39CWE-908Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-908 and the CVSS impact.
Summary
The Kerberos 4 support in KDC in MIT Kerberos 5 (krb5kdc) does not properly clear the unused portion of a buffer when generating an error message, which might allow remote attackers to obtain sensitive information, aka "Uninitialized stack values."
Why it matters now
EPSS 0.03478 89th percentileScored 2026-11-07
Fix Fixed Red Hat: 4 advisories
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 · 17
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:mit:kerberos_5:*:*:*:*:*:*:*:* | up to 1.6.3 | Vulnerable | moos-ivp |
| cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* | before 10.4.11; 10.5.0 to before 10.5.2 | Vulnerable | Apple |
| cpe:2.3:o:apple:mac_os_x_server:*:*:*:*:*:*:*:* | before 10.4.11; 10.5.0 to before 10.5.2 | Vulnerable | Apple |
| cpe:2.3:o:opensuse:opensuse:10.2:*:*:*:*:*:*:* | 10.2 | Vulnerable | openSUSE |
| cpe:2.3:o:opensuse:opensuse:10.3:*:*:*:*:*:*:* | 10.3 | Vulnerable | openSUSE |
| cpe:2.3:o:suse:linux:10.1:*:*:*:*:*:*:* | 10.1 | Vulnerable | SUSE |
| cpe:2.3:o:suse:linux_enterprise_desktop:10:sp1:*:*:*:*:*:* | 10 sp1 | Vulnerable | SUSE |
| cpe:2.3:o:suse:linux_enterprise_server:10:sp1:*:*:*:*:*:* | 10 sp1 | Vulnerable | SUSE |
| cpe:2.3:o:suse:linux_enterprise_software_development_kit:10:sp1:*:*:*:*:*:* | 10 sp1 | Vulnerable | SUSE |
| cpe:2.3:o:debian:debian_linux:3.1:*:*:*:*:*:*:* | 3.1 | Vulnerable | Debian |
- cpe:2.3:a:mit:kerberos_5:*:*:*:*:*:*:*:* Versions up to 1.6.3 Vulnerable ·moos-ivp
- cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* Versions before 10.4.11; 10.5.0 to before 10.5.2 Vulnerable ·Apple
- cpe:2.3:o:apple:mac_os_x_server:*:*:*:*:*:*:*:* Versions before 10.4.11; 10.5.0 to before 10.5.2 Vulnerable ·Apple
- cpe:2.3:o:opensuse:opensuse:10.2:*:*:*:*:*:*:* Versions 10.2 Vulnerable ·openSUSE
- cpe:2.3:o:opensuse:opensuse:10.3:*:*:*:*:*:*:* Versions 10.3 Vulnerable ·openSUSE
- cpe:2.3:o:suse:linux:10.1:*:*:*:*:*:*:* Versions 10.1 Vulnerable ·SUSE
- cpe:2.3:o:suse:linux_enterprise_desktop:10:sp1:*:*:*:*:*:* Versions 10 sp1 Vulnerable ·SUSE
- cpe:2.3:o:suse:linux_enterprise_server:10:sp1:*:*:*:*:*:* Versions 10 sp1 Vulnerable ·SUSE
- cpe:2.3:o:suse:linux_enterprise_software_development_kit:10:sp1:*:*:*:*:*:* Versions 10 sp1 Vulnerable ·SUSE
- cpe:2.3:o:debian:debian_linux:3.1:*:*:*:*:*:*:* Versions 3.1 Vulnerable ·Debian
Show 7 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:debian:debian_linux:4.0:*:*:*:*:*:*:* | 4.0 | Vulnerable | Debian |
| cpe:2.3:o:canonical:ubuntu_linux:6.06:*:*:*:*:*:*:* | 6.06 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:6.10:*:*:*:*:*:*:* | 6.10 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:7.04:*:*:*:*:*:*:* | 7.04 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:7.10:*:*:*:*:*:*:* | 7.10 | Vulnerable | Canonical |
| cpe:2.3:o:fedoraproject:fedora:7:*:*:*:*:*:*:* | 7 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:8:*:*:*:*:*:*:* | 8 | Vulnerable | Fedoraproject |
- cpe:2.3:o:debian:debian_linux:4.0:*:*:*:*:*:*:* Versions 4.0 Vulnerable ·Debian
- cpe:2.3:o:canonical:ubuntu_linux:6.06:*:*:*:*:*:*:* Versions 6.06 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:6.10:*:*:*:*:*:*:* Versions 6.10 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:7.04:*:*:*:*:*:*:* Versions 7.04 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:7.10:*:*:*:*:*:*:* Versions 7.10 Vulnerable ·Canonical
- cpe:2.3:o:fedoraproject:fedora:7:*:*:*:*:*:*:* Versions 7 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:8:*:*:*:*:*:*:* Versions 8 Vulnerable ·Fedoraproject
Remediation
Red Hat 4 advisories
- 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
- RHSA-2008:0182 Released 2008-03-18 · Red Hat rating Criticalkrb5 security update
- Red Hat Enterprise Linux AS EUS (v. 4.5) krb5-1.3.4-49.el4_5.1, krb5-devel-1.3.4-49.el4_5.1, krb5-devel-1.3.4-49.el4_5.1.i386 +14
- Red Hat Enterprise Linux ES EUS (v. 4.5) krb5-1.3.4-49.el4_5.1, krb5-devel-1.3.4-49.el4_5.1, krb5-devel-1.3.4-49.el4_5.1.i386 +10
- RHSA-2008:0181 Released 2008-03-18 · Red Hat rating Criticalkrb5 security update
- Red Hat Desktop version 3 krb5-1.2.7-68, krb5-devel-1.2.7-68, krb5-devel-1.2.7-68.i386 +6
- Red Hat Enterprise Linux AS (Advanced Server) version 2.1 krb5-1.2.2-48, krb5-devel-1.2.2-48.i386, krb5-devel-1.2.2-48.ia64 +6
- Red Hat Enterprise Linux AS version 3 krb5-1.2.7-68, krb5-devel-1.2.7-68, krb5-devel-1.2.7-68.i386 +14
- Red Hat Enterprise Linux ES version 2.1 krb5-1.2.2-48, krb5-devel-1.2.2-48.i386, krb5-libs-1.2.2-48.i386 +2
- Red Hat Enterprise Linux ES version 3 krb5-1.2.7-68, krb5-devel-1.2.7-68, krb5-devel-1.2.7-68.i386 +10
- Red Hat Enterprise Linux WS version 2.1 krb5-1.2.2-48, krb5-devel-1.2.2-48.i386, krb5-libs-1.2.2-48.i386 +2
- Red Hat Enterprise Linux WS version 3 krb5-1.2.7-68, krb5-devel-1.2.7-68, krb5-devel-1.2.7-68.i386 +10
- Red Hat Linux Advanced Workstation 2.1 krb5-1.2.2-48, krb5-devel-1.2.2-48.ia64, krb5-libs-1.2.2-48.ia64 +2
Show 1 more Red Hat advisories
- RHSA-2008:0180 Released 2008-03-18 · Red Hat rating Criticalkrb5 security update
- Red Hat Enterprise Linux AS version 4 krb5-1.3.4-54.el4_6.1, krb5-devel-1.3.4-54.el4_6.1, krb5-devel-1.3.4-54.el4_6.1.i386 +14
- Red Hat Enterprise Linux Desktop version 4 krb5-1.3.4-54.el4_6.1, krb5-devel-1.3.4-54.el4_6.1, krb5-devel-1.3.4-54.el4_6.1.i386 +6
- Red Hat Enterprise Linux ES version 4 krb5-1.3.4-54.el4_6.1, krb5-devel-1.3.4-54.el4_6.1, krb5-devel-1.3.4-54.el4_6.1.i386 +10
- Red Hat Enterprise Linux WS version 4 krb5-1.3.4-54.el4_6.1, krb5-devel-1.3.4-54.el4_6.1, krb5-devel-1.3.4-54.el4_6.1.i386 +10
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Desktop version 3 | Fixed | RHSA-2008:0181 |
| Red Hat Enterprise Linux (v. 5 server) | Fixed | RHSA-2008:0164 |
| Red Hat Enterprise Linux AS (Advanced Server) version 2.1 | Fixed | RHSA-2008:0181 |
| Red Hat Enterprise Linux AS EUS (v. 4.5) | Fixed | RHSA-2008:0182 |
| Red Hat Enterprise Linux AS version 3 | Fixed | RHSA-2008:0181 |
| Red Hat Enterprise Linux AS version 4 | Fixed | RHSA-2008:0180 |
| 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 |
| Red Hat Enterprise Linux Desktop version 4 | Fixed | RHSA-2008:0180 |
| Red Hat Enterprise Linux ES EUS (v. 4.5) | Fixed | RHSA-2008:0182 |
| Red Hat Enterprise Linux ES version 2.1 | Fixed | RHSA-2008:0181 |
| Red Hat Enterprise Linux ES version 3 | Fixed | RHSA-2008:0181 |
| Red Hat Enterprise Linux ES version 4 | Fixed | RHSA-2008:0180 |
| Red Hat Enterprise Linux WS version 2.1 | Fixed | RHSA-2008:0181 |
| Red Hat Enterprise Linux WS version 3 | Fixed | RHSA-2008:0181 |
| Red Hat Enterprise Linux WS version 4 | Fixed | RHSA-2008:0180 |
| Red Hat Linux Advanced Workstation 2.1 | Fixed | RHSA-2008:0181 |
Timeline
- 2026-10-02 Threatist record created from CVE-2008-0063
- 2026-10-03 Alias added: GHSA-67px-r9v8-hcfg
References
Advisory 17
- ADV-2008-1744
- GLSA-200803-31
- FEDORA-2008-2637
- FEDORA-2008-2647
- http://www.vmware.com/security/advisories/VMSA-2008-0009.html
- ADV-2008-0924
- RHSA-2008:0164
- ADV-2008-0922
- DSA-1524
- APPLE-SA-2008-03-18
- RHSA-2008:0182
- RHSA-2008:0180
- SUSE-SA:2008:016
- RHSA-2008:0181
- USN-587-1
- ADV-2008-1102
- http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2008-001.txt
Other 6
- 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
- oval:org.mitre.oval:def:8916
- http://support.novell.com/docs/Readmes/InfoDocument/patchbuilder/readme_5022520.html
- http://docs.info.apple.com/article.html?artnum=307562
Sources
- CVE-2008-0063 · CVE Program
- CVE-2008-0063 · NVD
- FIRST EPSS
- GHSA-67px-r9v8-hcfg · GitHub Advisory Database · CC BY 4.0
- CVE-2008-0063 · Red Hat security data · CC BY 4.0
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