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Pulse Secure Connect Secure: Man-in-the-Middle of Hardware Acceleration
Synthesis of the vulnerability
An attacker can perform a Man-in-the-Middle when the Hardware Acceleration is enabled on Pulse Secure Connect Secure, in order to read or alter TLS session data.
Impacted products: IVE OS, MAG Series by Juniper, Juniper SA, Pulse Connect Secure, MAG Series by Pulse Secure.
Severity of this bulletin: 2/4.
Consequences of an intrusion: data reading, data creation/edition.
Hacker's origin: internet server.
Creation date: 31/07/2015.
Références of this threat: CVE-2015-5369, SA40004, TSB16756, VIGILANCE-VUL-17547.
Description of the vulnerability
The Hardware Acceleration can be enabled on Pulse Secure Connect Secure.
However, in this case, it does not correctly compute the MAC of the TLS Handshake Finished Message. Using a second vulnerability, an attacker can thus perform a Man-in-the-Middle.
An attacker can therefore perform a Man-in-the-Middle when the Hardware Acceleration is enabled on Pulse Secure Connect Secure, in order to read or alter TLS session data.
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