full-disclosure - Multiple Antivirus Scanners DoS attack. [summery]

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20040614124224.48766.qmail@web20211.mail.yahoo.com>
From: visitbipin at yahoo.com (bipin gautam)
Subject: Multiple Antivirus Scanners DoS attack. [summery]

> > * Windows Xp default ZIP manager [report's wrong
> size
> > of compress ZIP files.]
> 
> if you mess with headers any compression API tells
> you 
> the same wrong size. Check zlib, infoZip, rar, arj. 
> 
> 
> There is no way to get detect these changes.
> Checking each file integrity 
> against the header info will take significiant
> anount of time. Anyway like 
> WinZIP the extraction routine seek file content
> until the the next header 
> stats.  So that the altered file size will not able
> to fool the routine i.e 
> Design Error.  

do you have any idea how i created these compressed
archive??? i didn't modified the header info!!!
i created it using dd if=/dev/zero ..............

It has been few reports F-Prot 4.4.2 for Linux has a problem!!!

__________________________________
Do you Yahoo!?
Friends.  Fun.  Try the all-new Yahoo! Messenger.
http://messenger.yahoo.com/