[Esd-l] FYI critical sendmail vulnerability

John D. Hardin jhardin at impsec.org
Mon Mar 3 19:44:30 PST 2003

On Mon, 3 Mar 2003, Kenneth Porter wrote:

> <http://rhn.redhat.com/errata/RHSA-2003-073.html>
> <http://www.cert.org/advisories/CA-2003-07.html>
> Note that the problem affects internal servers, not just border
> servers. All versions of sendmail below 8.12.8 are vulnerable. The
> attack takes the form of a message, not a connection, and the
> message could potentially arrive via a trusted peer.

...and if I had a sample I could sanitize it.

Granted, the solution is to upgrade sendmail, but another layer
wouldn't hurt.

 John Hardin KA7OHZ    ICQ#15735746    http://www.impsec.org/~jhardin/
 jhardin at impsec.org                        pgpk -a jhardin at impsec.org
 key: 0xB8732E79 - 2D8C 34F4 6411 F507 136C  AF76 D822 E6E6 B873 2E79
 ...voice or no voice, the people can always be brought to the bidding
 of the leaders. That is easy. All you have to do is tell them they
 are being attacked and denounce the pacifists for lack of patriotism
 and exposing the country to danger. It works the same way in any
                                            -- Hermann Goering
   80 days until The Matrix Reloaded

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