Ubuntu 6.06 LTS / 6.10 / 7.04 : krb5 vulnerabilities (USN-477-1)

Ubuntu Security Notice (C) 2007-2013 Canonical, Inc. / NASL script (C) 2007-2013 Tenable Network Security, Inc.


Synopsis :

The remote Ubuntu host is missing one or more security-related patches.

Description :

Wei Wang discovered that the krb5 RPC library did not correctly handle
certain error conditions. A remote attacker could cause kadmind to
free an uninitialized pointer, leading to a denial of service or
possibly execution of arbitrary code with root privileges.
(CVE-2007-2442)

Wei Wang discovered that the krb5 RPC library did not correctly check
the size of certain communications. A remote attacker could send a
specially crafted request to kadmind and execute arbitrary code with
root privileges. (CVE-2007-2443)

It was discovered that the kadmind service could be made to overflow
its stack. A remote attacker could send a specially crafted request
and execute arbitrary code with root privileges. (CVE-2007-2798).

Solution :

Update the affected packages.

Risk factor :

High / CVSS Base Score : 9.3
(CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C)

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 28078 ()

Bugtraq ID:

CVE ID: CVE-2007-2442
CVE-2007-2443
CVE-2007-2798