EUVD-2004-2612

Malware in sbrugna...

CVE-2004-2621: Undefined Security Weakness

Nortel Contivity VPN Client 2.1.7, 3.00, 3.01, 4.91, and 5.01, when opening a VPN tunnel, does not check the gateway certificate until after a dialog box has been displayed to the user, which creates a race condition that allows remote attackers to perform a man-in-the-middle MITM attack...

CVE-2005-2579: Undefined Security Weakness

Nortel Contivity VPN Client V0501.030, when configuring a certificate to be used as authentication, does not properly drop system privileges, which allows local users to gain privileges by opening a program with the File Open dialog box...

FW: Updated Version & Exploit - Privilege escalation in Nortel Contivity VPN Client V05_01.030

Updated to add additional version & exploit details. Reps to Crime Dog Vulnerable Versions: Nortel Contivity VPN Client V0501.100 Patches/Workarounds: Good question Exploit: 1. With the Contivity client open click go into "Group Authentication Options" 2. Select "Challenge Response Token" options...

Privilege escalation in Nortel Contivity VPN Client V05_01.030

Summary: Privilege escalation in Nortel Contivity VPN Client V0501.030 http://www.nortel.com Details: The Contivity VPN Client is a Windows application that lets you define and store connection information for accessing your corporate network through a Contivity Secure IP Services Gateway. When t...