CVE-2010-1321

CVE Details

Release Date:	2010-05-19
Impact:	Important	What is this?

Description

The kg_accept_krb5 function in krb5/accept_sec_context.c in the GSS-API library in MIT Kerberos 5 (aka krb5) through 1.7.1 and 1.8 before 1.8.2, as used in kadmind and other applications, does not properly check for invalid GSS-API tokens, which allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via an AP-REQ message in which the authenticator's checksum field is missing.

See more information about CVE-2010-1321 from MITRE CVE dictionary and NIST NVD

NOTE: The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v2 metrics

Base Score:	6.8
Vector String:	AV:N/AC:L/Au:S/C:N/I:N/A:C
Version:	2.0
Attack Vector:	Network
Attack Complexity:	Low
Authentication:	Single
Confidentiality Impact:	None
Integrity Impact:	None
Availability Impact:	Complete

Errata information

Platform	Errata	Release Date
Oracle Enterprise Linux version 3 (krb5)	ELSA-2010-0423	2010-05-18
Oracle Enterprise Linux version 4 (krb5)	ELSA-2010-0423	2010-05-18
Oracle Linux version 5 (krb5)	ELSA-2010-0423	2010-05-18