US-CERT Technical Cyber Security Alert TA08-079B -- MIT Kerberos Updates for Multiple Vulnerabilities


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National Cyber Alert System

Technical Cyber Security Alert TA08-079B


MIT Kerberos Updates for Multiple Vulnerabilities

Original release date: March 19, 2008
Last revised: --
Source: US-CERT

Systems Affected

* MIT Kerberos

Overview

The MIT Kerberos implementation contains several vulnerabilities.
Exploitation of these vulnerabilities could allow a remote,
unauthenticated attacker to execute arbitrary code, compromise the key
database or cause a denial of service on a vulnerable system.

I. Description

The MIT Kerberos Development Team has released MIT krb5 Security
Advisory 2008-002 to address vulnerabilities in multiple versions of
MIT Kerberos. More information about these vulnerabilities can be
found in VU#895609 and VU#374121.

II. Impact

Potential consequences include arbitrary code execution, key database
compromise, and denial of service.

III. Solution

Install updates from your vendor

Check with your vendors for patches or updates. For information about
a vendor, please see the systems affected section in vulnerability
notes VU#895609 and VU#374121 or contact your vendor directly.
Administrators who compile MIT Kerberos from source should refer to
MIT Security Advisory 2008-002 for more information.

IV. References

* US-CERT Vulnerability Note VU#895609 -
<http://www.kb.cert.org/vuls/id/895609>

* US-CERT Vulnerability Note VU#374121 -
<http://www.kb.cert.org/vuls/id/374121>

* MIT krb5 Security Advisory 2008-002 -
<http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2008-002.txt2>

_________________________________________________________________

The most recent version of this document can be found at:

<http://www.us-cert.gov/cas/techalerts/TA08-079B.html>
_________________________________________________________________

Feedback can be directed to US-CERT Technical Staff. Please send
email to <cert@xxxxxxxx> with "TA08-079B Feedback VU#895609" in the
subject.
_________________________________________________________________

For instructions on subscribing to or unsubscribing from this
mailing list, visit <http://www.us-cert.gov/cas/signup.html>.
_________________________________________________________________

Produced 2008 by US-CERT, a government organization.

Terms of use:

<http://www.us-cert.gov/legal.html>
____________________________________________________________________

Revision History

March 19, 2008: Initial release
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