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Message-ID: <002c01c6ad47$85485070$8f01a8c0@casanova>
Date: Fri, 21 Jul 2006 18:30:08 -1000
From: "dan" <dan@...blog.com>
To: <full-disclosure@...ts.grok.org.uk>
Subject: RE: [BL4CK] - BL4CK FR1D4Y 2006-07-21
Well if the net neutrality act passes maybe he can get priority on the 0day
exploit packets so he doesn't get it 4months later.
-----Original Message-----
From: Valdis.Kletnieks@...edu [mailto:Valdis.Kletnieks@...edu]
Sent: Friday, July 21, 2006 5:48 PM
To: full-disclosure@...ts.grok.org.uk
Subject: Re: [Full-disclosure] [BL4CK] - BL4CK FR1D4Y 2006-07-21
On Fri, 21 Jul 2006 17:13:43 CDT, redsand said:
> Welcome to the zer0-day haulocaust.
> -=[ Sendmail 8.13.5 and below Remote Signal Handling exploit
> Proof of Concept for the remote signal handling vulnerability
> by redsand
>>From the Sendmail release notes:
8.13.6/8.13.6 2006/03/22
SECURITY: Replace unsafe use of setjmp(3)/longjmp(3) in the server
and client side of sendmail with timeouts in the libsm I/O
layer and fix problems in that code. Also fix handling of
a buffer in sm_syslog() which could have been used as an
attack vector to exploit the unsafe handling of
setjmp(3)/longjmp(3) in combination with signals.
Problem detected by Mark Dowd of ISS X-Force.
It's not much of a zero day when the fix shipped 4 months ago, now is it?
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