Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mit | Kerberos 5 | < 1.11.3 |
| Opensuse | Opensuse | 11.4 |
| Fedoraproject | Fedora | 17 |
| Redhat | Enterprise Linux Desktop | 5.0 |
| Redhat | Enterprise Linux Eus | 5.9 |
| Redhat | Enterprise Linux Server | 5.0 |
| Redhat | Enterprise Linux Server Aus | 6.4 |
| Redhat | Enterprise Linux Workstation | 5.0 |
| Debian | Debian Linux | 6.0 |
| Canonical | Ubuntu Linux | 12.04 |
Related Weaknesses (CWE)
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 ListThird Party Advisory
- http://lists.opensuse.org/opensuse-updates/2013-07/msg00007.htmlMailing ListThird 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 TrackingThird Party Advisory
- https://github.com/krb5/krb5/commit/cf1a0c411b2668c57c41e9c4efd15ba17b6b322cPatchThird 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
FAQ
What is CVE-2002-2443?
CVE-2002-2443 is a vulnerability with a CVSS score of 5.0 (MEDIUM). 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...
How severe is CVE-2002-2443?
CVE-2002-2443 has been rated MEDIUM with a CVSS base score of 5.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2002-2443?
Check the references section above for vendor advisories and patch information. Affected products include: Mit Kerberos 5, Opensuse Opensuse, Fedoraproject Fedora, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Eus.