National Cyber Awareness System

Vulnerability Summary for CVE-2011-2040

Overview

The helper application in Cisco AnyConnect Secure Mobility Client (formerly AnyConnect VPN Client) before 2.5.3041, and 3.0.x before 3.0.629, on Linux and Mac OS X 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 Java applet, aka Bug ID CSCsy05934.

Impact

CVSS Severity (version 2.0):

CVSS Version 2 Metrics:

References to Advisories, Solutions, and Tools

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US-CERT Vulnerability Note: VU#490097

Name: VU#490097

Hyperlink:http://www.kb.cert.org/vuls/id/490097

External Source: XF

Name: cisco-asmc-helper-code-execution(67739)

Hyperlink:http://xforce.iss.net/xforce/xfdb/67739

External Source: SECTRACK

Name: 1025591

Hyperlink:http://www.securitytracker.com/id?1025591

External Source: CISCO

Name: 20110601 Multiple Vulnerabilities in Cisco AnyConnect Secure Mobility Client

Type: Advisory

Hyperlink:http://www.cisco.com/en/US/products/products_security_advisory09186a0080b80123.shtml

External Source: IDEFENSE

Name: 20110601 Cisco AnyConnect VPN Client Arbitrary Program Execution Vulnerability

Hyperlink:http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=910