CVE-2002-2443
MEDIUM severity · CVSS 5 · Improper input validation
5CVSS MEDIUM
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges required—
User interaction—
Confidentiality impactNone
Integrity impactNone
Availability impact—
Exploit probability (EPSS)6%
AV:N/AC:L/Au:N/C:N/I:N/A:P
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://krbdev.mit.edu/rt/Ticket/Display.html?id=7637Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2013-May/105879.htmlAdvisory
- http://lists.fedoraproject.org/pipermail/package-announce/2013-May/105978.htmlAdvisory
- http://lists.fedoraproject.org/pipermail/package-announce/2013-May/106698.htmlAdvisory
- http://lists.opensuse.org/opensuse-updates/2013-07/msg00004.htmlAdvisory
- http://lists.opensuse.org/opensuse-updates/2013-07/msg00007.htmlAdvisory
- http://rhn.redhat.com/errata/RHSA-2013-0942.htmlAdvisory
- http://www.debian.org/security/2013/dsa-2701Advisory