CVE-2011-2039 – Cisco AnyConnect VPN Client - ActiveX URL Property Download and Execute

https://notcve.org/view.php?id=CVE-2011-2039

The helper application in Cisco AnyConnect Secure Mobility Client (formerly AnyConnect VPN Client) before 2.3.185 on Windows, and on Windows Mobile, downloads a client executable file (vpndownloader.exe) without verifying its authenticity, which allows remote attackers to execute arbitrary code via the url property to a certain ActiveX control in vpnweb.ocx, aka Bug ID CSCsy00904. La aplicación de ayuda en Cisco Secure Mobility AnyConnect Client (anteriormente AnyConnect VPN Client) antes de v2.3.185 para Windows y Windows Mobile, descarga un archivo de cliente ejecutable, sin verificar su autenticidad, lo que permite a atacantes remotos ejecutar código arbitrario por suplantación de identidad del servidor VPN. Error también conocido como Bug ID CSCsy00904. • https://www.exploit-db.com/exploits/17366 http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=909 http://osvdb.org/72714 http://securityreason.com/securityalert/8272 http://www.cisco.com/en/US/products/products_security_advisory09186a0080b80123.shtml http://www.kb.cert.org/vuls/id/490097 http://www.securitytracker.com/id?1025591 https://exchange.xforce.ibmcloud.com/vulnerabilities/67739 • CWE-20: Improper Input Validation •