The Department of Homeland Security has issued a warning that VPN packages from several enterprises including Cisco, Palo Alto, F5 and Pulse may improperly store authentication tokens and session cookies on user computers. Thus, attackers can exploit this vulnerability to take control of an affected system.
The vulnerability note written by Carnegie Mellon University’s Madison Oliver says that “If an attacker has persistent access to a VPN user’s endpoint or exfiltrates the cookie using other methods, they can replay the session and bypass other authentication methods. An attacker would then have access to the same applications that the user does through their VPN session.”
According to the CERT warning, the following products and versions store the cookie insecurely in log files:
The following products and versions store the cookie insecurely in log files:
– Palo Alto Networks GlobalProtect Agent 4.1.0 for Windows and GlobalProtect Agent 4.1.10 and earlier for macOS0 (CVE-2019-1573)
– Pulse Secure Connect Secure prior to 8.1R14, 8.2, 8.3R6, and 9.0R2The following products and versions store the cookie insecurely in memory:
– Palo Alto Networks GlobalProtect Agent 4.1.0 for Windows and GlobalProtect Agent 4.1.10 and earlier for macOS0 (CVE-2019-1573)
– Pulse Secure Connect Secure prior to 8.1R14, 8.2, 8.3R6, and 9.0R2
– Cisco AnyConnect 4.7.x and prior
Palo Alto Networks has confirmed its GlobalProtect app was vulnerable and has issued a patch, TechCrunch notes. Cisco and Pulse Secure have not, and F5 is advising users to use a one-time password or two-factor authentication instead of password-based authentication.
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Published by Tony Shepherd & last updated on April 28, 2019 4:35 am
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