National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2002-2443 Detail

Current 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.

Source:  MITRE
View Analysis Description

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 5.0 MEDIUM
Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 10.0


Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Partial
Additional Information:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
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

Technical Details

Vulnerability Type (View All)

  • Improper Input Validation (CWE-20)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:mit:kerberos:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
5-1.11.2


Change History

2 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2002-2443
NVD Published Date:
05/29/2013
NVD Last Modified:
12/06/2016