schpw.c in the kpasswd service in kadmind in MIT Kerberos 5 (aka krb5) before 1.11.3 does…
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.
Summary
schpw.c in the kpasswd service in kadmind in MIT Kerberos 5 (aka krb5) before 1.11.3 does not properly validate UDP packets before sending responses, which allows remote attackers to cause a denial of service (CPU and bandwidth consumption) via a forged packet that triggers a communication loop, as demonstrated by krb_pingpong.nasl, a related issue to CVE-1999-0103.
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
CPE configurations NVD · 23
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:mit:kerberos_5:*:*:*:*:*:*:*:* | before 1.11.3 | Vulnerable | moos-ivp |
| cpe:2.3:o:opensuse:opensuse:11.4:*:*:*:*:*:*:* | 11.4 | Vulnerable | openSUSE |
| cpe:2.3:o:opensuse:opensuse:12.2:*:*:*:*:*:*:* | 12.2 | Vulnerable | openSUSE |
| cpe:2.3:o:opensuse:opensuse:12.3:*:*:*:*:*:*:* | 12.3 | Vulnerable | openSUSE |
| cpe:2.3:o:fedoraproject:fedora:17:*:*:*:*:*:*:* | 17 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:18:*:*:*:*:*:*:* | 18 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:19:*:*:*:*:*:*:* | 19 | Vulnerable | Fedoraproject |
| cpe:2.3:o:redhat:enterprise_linux_desktop:5.0:*:*:*:*:*:*:* | 5.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* | 6.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_eus:5.9:*:*:*:*:*:*:* | 5.9 | Vulnerable | Red Hat |
- cpe:2.3:a:mit:kerberos_5:*:*:*:*:*:*:*:* Versions before 1.11.3 Vulnerable ·moos-ivp
- cpe:2.3:o:opensuse:opensuse:11.4:*:*:*:*:*:*:* Versions 11.4 Vulnerable ·openSUSE
- cpe:2.3:o:opensuse:opensuse:12.2:*:*:*:*:*:*:* Versions 12.2 Vulnerable ·openSUSE
- cpe:2.3:o:opensuse:opensuse:12.3:*:*:*:*:*:*:* Versions 12.3 Vulnerable ·openSUSE
- cpe:2.3:o:fedoraproject:fedora:17:*:*:*:*:*:*:* Versions 17 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:18:*:*:*:*:*:*:* Versions 18 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:19:*:*:*:*:*:*:* Versions 19 Vulnerable ·Fedoraproject
- cpe:2.3:o:redhat:enterprise_linux_desktop:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_eus:5.9:*:*:*:*:*:*:* Versions 5.9 Vulnerable ·Red Hat
Show 13 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:redhat:enterprise_linux_eus:6.4:*:*:*:*:*:*:* | 6.4 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server:5.0:*:*:*:*:*:*:* | 5.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* | 6.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server_aus:6.4:*:*:*:*:*:*:* | 6.4 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_workstation:5.0:*:*:*:*:*:*:* | 5.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* | 6.0 | Vulnerable | Red Hat |
| cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:* | 6.0 | Vulnerable | Debian |
| cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Debian |
| cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* | 8.0 | Vulnerable | Debian |
| cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:* | 12.04 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:* | 14.04 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:* | 15.04 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:* | 15.10 | Vulnerable | Canonical |
- cpe:2.3:o:redhat:enterprise_linux_eus:6.4:*:*:*:*:*:*:* Versions 6.4 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server_aus:6.4:*:*:*:*:*:*:* Versions 6.4 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_workstation:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
- cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Debian
- cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Debian
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian
- cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:* Versions 12.04 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:* Versions 14.04 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:* Versions 15.04 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:* Versions 15.10 Vulnerable ·Canonical
Remediation
Red Hat 1 advisory
- RHSA-2013:0942 Released 2013-06-12 · Red Hat rating Moderatekrb5 security update
- Red Hat Enterprise Linux (v. 5 server) krb5-1.6.1-70.el5_9.2, krb5-devel-1.6.1-70.el5_9.2, krb5-devel-1.6.1-70.el5_9.2.i386 +18
- Red Hat Enterprise Linux Desktop (v. 6) krb5-1.10.3-10.el6_4.3, krb5-libs-1.10.3-10.el6_4.3, krb5-pkinit-openssl-1.10.3-10.el6_4.3 +1
- Red Hat Enterprise Linux Desktop Optional (v. 6) krb5-1.10.3-10.el6_4.3, krb5-devel-1.10.3-10.el6_4.3, krb5-server-1.10.3-10.el6_4.3 +1
- Red Hat Enterprise Linux HPC Node (v. 6) krb5-1.10.3-10.el6_4.3, krb5-libs-1.10.3-10.el6_4.3, krb5-pkinit-openssl-1.10.3-10.el6_4.3 +1
- Red Hat Enterprise Linux HPC Node Optional (v. 6) krb5-1.10.3-10.el6_4.3, krb5-devel-1.10.3-10.el6_4.3, krb5-server-1.10.3-10.el6_4.3 +1
- Red Hat Enterprise Linux Server (v. 6) krb5-1.10.3-10.el6_4.3, krb5-devel-1.10.3-10.el6_4.3, krb5-devel-1.10.3-10.el6_4.3.ppc +7
- Red Hat Enterprise Linux Workstation (v. 6) krb5-1.10.3-10.el6_4.3, krb5-devel-1.10.3-10.el6_4.3, krb5-libs-1.10.3-10.el6_4.3 +4
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-2013:0942 |
| Red Hat Enterprise Linux Desktop (v. 6) | Fixed | RHSA-2013:0942 |
| Red Hat Enterprise Linux Desktop Optional (v. 6) | Fixed | RHSA-2013:0942 |
| Red Hat Enterprise Linux HPC Node (v. 6) | Fixed | RHSA-2013:0942 |
| Red Hat Enterprise Linux HPC Node Optional (v. 6) | Fixed | RHSA-2013:0942 |
| Red Hat Enterprise Linux Server (v. 6) | Fixed | RHSA-2013:0942 |
| Red Hat Enterprise Linux Workstation (v. 6) | Fixed | RHSA-2013:0942 |
Timeline
- 2026-10-02 Threatist record created from CVE-2002-2443
- 2026-10-03 Alias added: GHSA-cqf2-6q6w-6cqw
References
Sources
- CVE-2002-2443 · CVE Program
- CVE-2002-2443 · NVD
- FIRST EPSS
- GHSA-cqf2-6q6w-6cqw · GitHub Advisory Database · CC BY 4.0
- CVE-2002-2443 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences