Date: Tue, 27 Nov 2001 12:13:00 -0700 From: Brett Glass <brett@lariat.org> To: Adam Laurie <adam@algroup.co.uk>, security@FreeBSD.ORG Cc: "Michael M. Butler" <butler@comp-lib.org> Subject: Re: some shit to see Message-ID: <4.3.2.7.2.20011127121153.056cdd10@localhost> In-Reply-To: <3C03E456.6BD7FB3E@algroup.co.uk> References: <200111230926.fAN9Qw630403@peony.ezo.net> <3BFF9D53.CBB692E2@comp-lib.org>
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At 12:07 PM 11/27/2001, Adam Laurie wrote: >unfortunately it seems a little more intelligent than a turkey as it can >bypass some security scanners such qmail-scanner >(http://qmail-scanner.sourceforge.net/) - i guess there's a bug relating >to the mime type, since we have this rule: > > .exe 0 Executable attachment (not allowed) > >which should block all .exe attachments, but this one gets through... i >will forward this to the qmail list as well instead of cross-posting, >but thought you might like to be aware in case your scanner is also at >risk... See the paper I presented at BSDCon (and then updated for OSCon 2001) for information on scanners that will catch it. http://www.brettglass.com/spam/paper.html --Brett To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-security" in the body of the message
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