CVE-2002-2443
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.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
Fedora Affected 3 releases
| Version | Status | Fixed in |
|---|---|---|
| 19 | Affected | — |
| 18 | Affected | — |
| 17 | Affected | — |
Red Hat Affected 4 releases
| Version | Status | Fixed in |
|---|---|---|
| 6.4 | Affected | — |
| 6.0 | Affected | — |
| 5.9 | Affected | — |
| 5.0 | Affected | — |
SUSE Affected 3 releases
| Version | Status | Fixed in |
|---|---|---|
| 12.3 | Affected | — |
| 12.2 | Affected | — |
| 11.4 | Affected | — |
Ubuntu Affected 4 releases
| Version | Status | Fixed in |
|---|---|---|
| 15.10 | Affected | — |
| 15.04 | Affected | — |
| 14.04 | Affected | — |
| 12.04 | Affected | — |
Debian Mixed 8 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 1.10.1+dfsg-6 |
| sid | Fixed | 1.10.1+dfsg-6 |
| forky | Fixed | 1.10.1+dfsg-6 |
| bullseye | Fixed | 1.10.1+dfsg-6 |
| bookworm | Fixed | 1.10.1+dfsg-6 |
| 8.0 | Affected | — |
| 7.0 | Affected | — |
| 6.0 | Affected | — |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| mit | kerberos_5 | {"endExcluding":"1.11.3"} | 1.11.3 |
References
- http://krbdev.mit.edu/rt/Ticket/Display.html?id=7637
- http://lists.fedoraproject.org/pipermail/package-announce/2013-May/105879.html
- http://lists.fedoraproject.org/pipermail/package-announce/2013-May/105978.html
- http://lists.fedoraproject.org/pipermail/package-announce/2013-May/106698.html
- http://lists.opensuse.org/opensuse-updates/2013-07/msg00004.html
- http://lists.opensuse.org/opensuse-updates/2013-07/msg00007.html
- http://rhn.redhat.com/errata/RHSA-2013-0942.html
- http://www.debian.org/security/2013/dsa-2701
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:166
- http://www.ubuntu.com/usn/USN-2810-1
- https://bugzilla.redhat.com/show_bug.cgi?id=962531
- https://github.com/krb5/krb5/commit/cf1a0c411b2668c57c41e9c4efd15ba17b6b322c
- https://security-tracker.debian.org/tracker/CVE-2002-2443
CWEs
CWE-20
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.