full-disclosure - Re: Multiple vendor antivirus .kz archive format evasion/bypass vulnerability.

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Message-ID: <f46d041b4726a9871904b838b080@google.com>
Date: Sun, 05 Feb 2012 14:52:08 +0000
From: "ZeroDay.JP" <unixfreaxjp22@...il.com>
To: full-disclosure@...ts.grok.org.uk
Cc: "ZeroDay.JP" <unixfreaxjp22@...il.com>
Subject: Re: Multiple vendor antivirus .kz archive format
	evasion/bypass vulnerability.

> You do know that anyone can create a new archive format that
antiviruses
> will not detect... Right?

Does this ".kz" archiver have an SFX extractor? Because a new SFX type
of an archive file will raise support priority instead.

> ...the succesful exploitation of this flaw allows attackers to plant
> a malicious file on a server or to store unwanted codes..

Yes, but AFTER being extracted beforehand (or maybe you can prove the
otherwise)
You can't be serious to expect every unknown archive format to be
supported by AV scanners..

Cheers

Sent to you by ZeroDay.JP via Google Reader: Re: Multiple vendor
antivirus .kz archive format evasion/bypass vulnerability. via Full
Disclosure on 2/5/12

Posted by Julius Kivimäki on Feb 05
You do know that anyone can create a new archive format that antiviruses
will not detect... Right?

2012/2/2 Michel <kareldjag () yahoo fr>

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