Vulnerability Monitor

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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 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.

Published

2013-05-29T14:29:06.287

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 5.0 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-20

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	mit	kerberos_5	< 1.11.3	Yes
Operating System	opensuse	opensuse	11.4	Yes
Operating System	opensuse	opensuse	12.2	Yes
Operating System	opensuse	opensuse	12.3	Yes
Operating System	fedoraproject	fedora	17	Yes
Operating System	fedoraproject	fedora	18	Yes
Operating System	fedoraproject	fedora	19	Yes
Operating System	redhat	enterprise_linux_desktop	5.0	Yes
Operating System	redhat	enterprise_linux_desktop	6.0	Yes
Operating System	redhat	enterprise_linux_eus	5.9	Yes
Operating System	redhat	enterprise_linux_eus	6.4	Yes
Operating System	redhat	enterprise_linux_server	5.0	Yes
Operating System	redhat	enterprise_linux_server	6.0	Yes
Operating System	redhat	enterprise_linux_server_aus	6.4	Yes
Operating System	redhat	enterprise_linux_workstation	5.0	Yes
Operating System	redhat	enterprise_linux_workstation	6.0	Yes
Operating System	debian	debian_linux	6.0	Yes
Operating System	debian	debian_linux	7.0	Yes
Operating System	debian	debian_linux	8.0	Yes
Operating System	canonical	ubuntu_linux	12.04	Yes
Operating System	canonical	ubuntu_linux	14.04	Yes
Operating System	canonical	ubuntu_linux	15.04	Yes
Operating System	canonical	ubuntu_linux	15.10	Yes

References

http://krbdev.mit.edu/rt/Ticket/Display.html?id=7637 Vendor Advisory ([email protected])
http://lists.fedoraproject.org/pipermail/package-announce/2013-May/105879.html Third Party Advisory ([email protected])
http://lists.fedoraproject.org/pipermail/package-announce/2013-May/105978.html Third Party Advisory ([email protected])
http://lists.fedoraproject.org/pipermail/package-announce/2013-May/106698.html Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-updates/2013-07/msg00004.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-updates/2013-07/msg00007.html Mailing List, Third Party Advisory ([email protected])
http://rhn.redhat.com/errata/RHSA-2013-0942.html Third Party Advisory ([email protected])
http://www.debian.org/security/2013/dsa-2701 Third Party Advisory ([email protected])
http://www.mandriva.com/security/advisories?name=MDVSA-2013:166 Third Party Advisory ([email protected])
http://www.ubuntu.com/usn/USN-2810-1 Third Party Advisory ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=962531 Issue Tracking, Third Party Advisory ([email protected])
https://github.com/krb5/krb5/commit/cf1a0c411b2668c57c41e9c4efd15ba17b6b322c Patch, Third Party Advisory ([email protected])
http://krbdev.mit.edu/rt/Ticket/Display.html?id=7637 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.fedoraproject.org/pipermail/package-announce/2013-May/105879.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.fedoraproject.org/pipermail/package-announce/2013-May/105978.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.fedoraproject.org/pipermail/package-announce/2013-May/106698.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-updates/2013-07/msg00004.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-updates/2013-07/msg00007.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://rhn.redhat.com/errata/RHSA-2013-0942.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.debian.org/security/2013/dsa-2701 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.mandriva.com/security/advisories?name=MDVSA-2013:166 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/USN-2810-1 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=962531 Issue Tracking, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/krb5/krb5/commit/cf1a0c411b2668c57c41e9c4efd15ba17b6b322c Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)