[Esd-l] Detection rule for sendmail header exploit

[John D. Hardin]

On Sat, 8 Mar 2003, Joe Steele wrote:

> To be effective without casting too large a net, each address in a
> list needs to be scanned separately.  Attempting to do this with a
> regular expression could get complicated.

:)

> Another point to note is that the RE should begin with the
> following in order to trap all headers for which sendmail is
> vulnerable:
> 
> * ^((resent-)?(sender|from|(reply-)?to|cc|bcc)\
>     |(errors|disposition-notification|apparently)-to):

Thanks! I've incorporated that.

--
 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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