Read the docs
TI-2002-02352 Aliases CVE-2002-2443GHSA-cqf2-6q6w-6cqw

schpw.c in the kpasswd service in kadmind in MIT Kerberos 5 (aka krb5) before 1.11.3 does…

Priority LOW 32CWE-20Published · Updated

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

EPSS 0.06183 93rd 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

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 23

CPEVersionsRoleVendor
cpe:2.3:a:mit:kerberos_5:*:*:*:*:*:*:*:*before 1.11.3Vulnerablemoos-ivp
cpe:2.3:o:opensuse:opensuse:11.4:*:*:*:*:*:*:*11.4VulnerableopenSUSE
cpe:2.3:o:opensuse:opensuse:12.2:*:*:*:*:*:*:*12.2VulnerableopenSUSE
cpe:2.3:o:opensuse:opensuse:12.3:*:*:*:*:*:*:*12.3VulnerableopenSUSE
cpe:2.3:o:fedoraproject:fedora:17:*:*:*:*:*:*:*17VulnerableFedoraproject
cpe:2.3:o:fedoraproject:fedora:18:*:*:*:*:*:*:*18VulnerableFedoraproject
cpe:2.3:o:fedoraproject:fedora:19:*:*:*:*:*:*:*19VulnerableFedoraproject
cpe:2.3:o:redhat:enterprise_linux_desktop:5.0:*:*:*:*:*:*:*5.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*6.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_eus:5.9:*:*:*:*:*:*:*5.9VulnerableRed 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
CPEVersionsRoleVendor
cpe:2.3:o:redhat:enterprise_linux_eus:6.4:*:*:*:*:*:*:*6.4VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server:5.0:*:*:*:*:*:*:*5.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*6.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_aus:6.4:*:*:*:*:*:*:*6.4VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_workstation:5.0:*:*:*:*:*:*:*5.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*6.0VulnerableRed Hat
cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:*6.0VulnerableDebian
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*7.0VulnerableDebian
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*8.0VulnerableDebian
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:*12.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*14.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:*15.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*15.10VulnerableCanonical
  • 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 Moderate
    krb5 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 →

ProductStatusPlan 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

  1. 2026-10-02 Threatist record created from CVE-2002-2443
  2. 2026-10-03 Alias added: GHSA-cqf2-6q6w-6cqw

References

Sources