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Last updated: 10/30/2014 12:06:17 PM

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National Cyber Awareness System

Vulnerability Summary for CVE-2010-0628

Original release date: 03/25/2010
Last revised: 03/31/2010
Source: US-CERT/NIST

Overview

The spnego_gss_accept_sec_context function in lib/gssapi/spnego/spnego_mech.c in the SPNEGO GSS-API functionality in MIT Kerberos 5 (aka krb5) 1.7 before 1.7.2 and 1.8 before 1.8.1 allows remote attackers to cause a denial of service (assertion failure and daemon crash) via an invalid packet that triggers incorrect preparation of an error token.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 5.0 (MEDIUM) (AV:N/AC:L/Au:N/C:N/I:N/A:P) (legend)
Impact Subscore: 2.9
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 (03/26/2010)
Not vulnerable. This flaw does not affect MIT krb5 as provided in Red Hat Enterprise Linux 3, 4, and 5.

References to Advisories, Solutions, and Tools

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External Source: SECUNIA
Name: 39023
External Source: BUGTRAQ
Name: 20100323 MITKRB5-SA-2010-002 denial of service in SPNEGO [CVE-2010-0628 VU#839413]
External Source: CONFIRM
Name: https://bugzilla.redhat.com/show_bug.cgi?id=566258
External Source: UBUNTU
Name: USN-916-1
External Source: CONFIRM
Name: http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2010-002.txt
External Source: BID
Name: 38904
Type: Patch Information

Technical Details

Vulnerability Type (View All)