5.0med

CVE-2002-2443

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…

Published 13 y ago · modified 4 mo ago · JSON

CVSS
5.0
v2.0 · NVD
CISA KEV
No
not known exploited
EPSS
6.2%
percentile 94%
Public exploits
0
none known

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.

Exploit prediction (EPSS)

6.18% probability of exploitation in the next 30 days, higher than 94% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD2.05.0AV:N/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness
  • CWE-20 Improper Input Validation

References

  • lists.fedoraproject.org /pipermail/package-announce/2013-May/106698.html · vendor-advisory, x_refsource_FEDORA, x_transferred
  • lists.opensuse.org /opensuse-updates/2013-07/msg00004.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • lists.opensuse.org /opensuse-updates/2013-07/msg00007.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • debian.org /security/2013/dsa-2701 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • github.com /krb5/krb5/commit/cf1a0c411b2668c57c41e9c4efd15ba17b6b322c · x_refsource_CONFIRM, x_transferred
  • krbdev.mit.edu /rt/Ticket/Display.html?id=7637 · x_refsource_CONFIRM, x_transferred
  • lists.fedoraproject.org /pipermail/package-announce/2013-May/105978.html · vendor-advisory, x_refsource_FEDORA, x_transferred
  • lists.fedoraproject.org /pipermail/package-announce/2013-May/105879.html · vendor-advisory, x_refsource_FEDORA, x_transferred
  • rhn.redhat.com /errata/RHSA-2013-0942.html · vendor-advisory, x_refsource_REDHAT, x_transferred
  • bugzilla.redhat.com /show_bug.cgi?id=962531 · x_refsource_CONFIRM, x_transferred
  • ubuntu.com /usn/USN-2810-1 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • mandriva.com /security/advisories?name=MDVSA-2013:166 · vendor-advisory, x_refsource_MANDRIVA, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.