CVE-2002-2443
Vulnerability Summary
Timeline
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 Metrics
- v2.0•MEDIUM•Score: 5AV:N/AC:L/Au:N/C:N/I:N/A:P
EPSS Trends
Current EPSS score: 6.43%• Percentile: 93%
Techniques & Countermeasures
- CWE-20•Improper Input Validation
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
Affected Systems
- canonical•ubuntu_linux
12.04 | 14.04 | 15.04 | 15.10
- debian•krb5
< 1.10.1+dfsg-6 | < 1.10.1+dfsg-6 | < 1.10.1+dfsg-6 | < 1.10.1+dfsg-6
- debian•debian_linux
6.0 | 7.0 | 8.0
- fedoraproject•fedora
17 | 18 | 19
- mit•kerberos 5
< 1.11.3
- opensuse•opensuse
11.4 | 12.2 | 12.3
- redhat•enterprise_linux_desktop
5.0 | 6.0
- redhat•enterprise_linux_eus
5.9 | 6.4
- redhat•enterprise_linux_server
5.0 | 6.0
- redhat•enterprise_linux_server_aus
6.4
- redhat•enterprise_linux_workstation
5.0 | 6.0
References (13)
- 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://www.debian.org/security/2013/dsa-2701
- https://github.com/krb5/krb5/commit/cf1a0c411b2668c57c41e9c4efd15ba17b6b322c
- http://krbdev.mit.edu/rt/Ticket/Display.html?id=7637
- http://lists.fedoraproject.org/pipermail/package-announce/2013-May/105978.html
- http://lists.fedoraproject.org/pipermail/package-announce/2013-May/105879.html
- http://rhn.redhat.com/errata/RHSA-2013-0942.html
- https://bugzilla.redhat.com/show_bug.cgi?id=962531
- http://www.ubuntu.com/usn/USN-2810-1
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:166
- https://security-tracker.debian.org/tracker/CVE-2002-2443