Vulnerability CVE-2000-0549
Published: 2000-06-09   Modified: 2012-02-12

Description:
Kerberos 4 KDC program does not properly check for null termination of AUTH_MSG_KDC_REQUEST requests, which allows remote attackers to cause a denial of service via a malformed request.

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
MIT -> Kerberos 
Cygnus -> Cygnus network security 
Cygnus -> Kerbnet 

 References:
http://www.cert.org/advisories/CA-2000-11.html
http://archives.neohapsis.com/archives/bugtraq/2000-06/0064.html
http://web.mit.edu/kerberos/www/advisories/krb4kdc.txt
http://www.redhat.com/support/errata/RHSA-2000-031.html
http://ciac.llnl.gov/ciac/bulletins/k-051.shtml
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