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Heimdal Kerberos server DoS
Published:11.07.2010
Source:
SecurityVulns ID:10981
Type:remote
Threat Level:
5/10
Description:NULL pointer dereference on GAA-API token parsing.
Affected:HEIMDAL : heimdal 1.2
CVE:CVE-2010-1321 (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.)
Original documentdocumentMANDRIVA, [ MDVSA-2010:130 ] heimdal (11.07.2010)

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