National Vulnerability Database

National Vulnerability Database

National Vulnerability

CVE-2010-0283 Detail


The Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.7 before 1.7.2, and 1.8 alpha, allows remote attackers to cause a denial of service (assertion failure and daemon crash) via an invalid (1) AS-REQ or (2) TGS-REQ request.

Source:  MITRE      Last Modified:  02/22/2010

Quick Info

CVE Dictionary Entry:
Original release date:
Last revised:


CVSS Severity (version 2.0):
CVSS v2 Base Score:
7.8 HIGH
(AV:N/AC:L/Au:N/C:N/I:N/A:C) (legend)
Impact Subscore:
Exploitability Subscore:
CVSS Version 2 Metrics:
Access Vector:
Network exploitable
Access Complexity:
Not required to exploit
Impact Type:
Allows disruption of service

Vendor Statements (disclaimer)

Official Statement from Red Hat (02/22/2010)

Not vulnerable. This issue did not affect the versions of MIT Kerberos 5 as shipped with Red Hat Enterprise Linux 3, 4 or 5. Those versions do not contain the vulnerable code that was introduced in krb5 1.7.

References to Advisories, Solutions, and Tools

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Hyperlink Resource Type Source Name External Source APPLE APPLE-SA-2010-06-15-1 External Source FEDORA FEDORA-2010-1722 External Source SECTRACK 1023593 External Source CONFIRM Vendor Advisory External Source CONFIRM External Source BUGTRAQ 20100216 MITKRB5-SA-2010-001 [CVE-2010-0283] krb5-1.7 KDC denial of service External Source BID 38260 External Source UBUNTU USN-916-1 External Source VUPEN ADV-2010-1481

Technical Details

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