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Last updated: 11/1/2014 10:02:21 AM

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National Cyber Awareness System

Vulnerability Summary for CVE-2010-0283

Original release date: 02/22/2010
Last revised: 06/19/2010
Source: US-CERT/NIST

Overview

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.

Impact

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: 6.9
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: 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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External Source: SECUNIA
Name: 39023
External Source: APPLE
Name: APPLE-SA-2010-06-15-1
External Source: SECTRACK
Name: 1023593
External Source: UBUNTU
Name: USN-916-1
External Source: VUPEN
Name: ADV-2010-1481
External Source: BUGTRAQ
Name: 20100216 MITKRB5-SA-2010-001 [CVE-2010-0283] krb5-1.7 KDC denial of service
External Source: BID
Name: 38260
External Source: SECUNIA
Name: 40220
External Source: FEDORA
Name: FEDORA-2010-1722
External Source: CONFIRM
Name: http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2010-001.txt
Type: Advisory
External Source: SECUNIA
Name: 38598
External Source: CONFIRM
Name: http://support.apple.com/kb/HT4188

Technical Details

Vulnerability Type (View All)