CVE-2002-2443

Name: CVE-2002-2443
Creator: NVD / NIST
Published: 2013-05-29T14:29:06.287+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 6.49%

Last modified Jun 16, 2026

CVE-2002-2443 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 6.49% chance of exploitation in the next 30 days.

Description

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.

Metrics

EPSS Probability

6.49%

92.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Mit	Kerberos 5	< 1.11.3
Opensuse	Opensuse	11.4
Opensuse	Opensuse	12.2
Opensuse	Opensuse	12.3
Fedoraproject	Fedora	17
Fedoraproject	Fedora	18
Fedoraproject	Fedora	19
Redhat	Enterprise Linux Desktop	5.0
Redhat	Enterprise Linux Desktop	6.0
Redhat	Enterprise Linux Eus	5.9
Redhat	Enterprise Linux Eus	6.4
Redhat	Enterprise Linux Server	5.0
Redhat	Enterprise Linux Server	6.0
Redhat	Enterprise Linux Server Aus	6.4
Redhat	Enterprise Linux Workstation	5.0
Redhat	Enterprise Linux Workstation	6.0
Debian	Debian Linux	6.0
Debian	Debian Linux	7.0
Debian	Debian Linux	8.0
Canonical	Ubuntu Linux	12.04
Canonical	Ubuntu Linux	14.04
Canonical	Ubuntu Linux	15.04
Canonical	Ubuntu Linux	15.10

References

http://krbdev.mit.edu/rt/Ticket/Display.html?id=7637Vendor Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2013-May/105879.htmlThird Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2013-May/105978.htmlThird Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2013-May/106698.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-updates/2013-07/msg00004.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2013-07/msg00007.htmlMailing List, Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2013-0942.htmlThird Party Advisory
http://www.debian.org/security/2013/dsa-2701Third Party Advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2013:166Third Party Advisory
http://www.ubuntu.com/usn/USN-2810-1Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=962531Issue Tracking, Third Party Advisory
https://github.com/krb5/krb5/commit/cf1a0c411b2668c57c41e9c4efd15ba17b6b322cPatch, Third Party Advisory
http://krbdev.mit.edu/rt/Ticket/Display.html?id=7637Vendor Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2013-May/105879.htmlThird Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2013-May/105978.htmlThird Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2013-May/106698.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-updates/2013-07/msg00004.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2013-07/msg00007.htmlMailing List, Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2013-0942.htmlThird Party Advisory
http://www.debian.org/security/2013/dsa-2701Third Party Advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2013:166Third Party Advisory
http://www.ubuntu.com/usn/USN-2810-1Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=962531Issue Tracking, Third Party Advisory
https://github.com/krb5/krb5/commit/cf1a0c411b2668c57c41e9c4efd15ba17b6b322cPatch, Third Party Advisory

Timeline

Published: May 29, 2013
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2002-2443?

How severe is CVE-2002-2443?

Severity scoring for CVE-2002-2443 is pending analysis. The EPSS model estimates a 6.49% probability of exploitation in the next 30 days.

How do I fix CVE-2002-2443?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2002-2443?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST