CVE-2010-1321

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.

Affected packages (3)

• Debian/heimdalfrom 0, < 1.4.0~git20100605.dfsg.1-1
• Debian/krb5from 0, < 1.8.1+dfsg-3
• Debian/krb5from 0, < 1.6.dfsg.4~beta1-5lenny4

References (1)

• ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2010-1321