[Esd-l] FYI critical sendmail vulnerability

[John D. Hardin]

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
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 ...voice or no voice, the people can always be brought to the bidding
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 are being attacked and denounce the pacifists for lack of patriotism
 and exposing the country to danger. It works the same way in any
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                                            -- Hermann Goering
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