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Category:   Device (Encryption/VPN)  >   Pulse Connect Secure (formerly Juniper Pulse Secure) Vendors:   Pulse Secure
(Pulse Secure Issues Advisory for Pulse Connect Secure) OpenSSL Multiple Bugs Let Remote Users Deny Service and Obtain Potentially Sensitive Information
SecurityTracker Alert ID:  1037933
SecurityTracker URL:  http://securitytracker.com/id/1037933
CVE Reference:   CVE-2017-3730, CVE-2017-3731   (Links to External Site)
Date:  Mar 1 2017
Impact:   Denial of service via network, Disclosure of system information, Disclosure of user information
Vendor Confirmed:  Yes  

Description:   Several vulnerabilities were reported in OpenSSL. A remote user can cause the target service to crash. A remote user can obtain potentially sensitive information on the target system. Pulse Connect Secure is affected.

A remote user can send a specially crafted truncated packet to the target server or client running on a 32-bit host and using a specific cipher to trigger an out-of-bounds memory read error and cause the service to crash [CVE-2017-3731]. CHACHA20/POLY1305 is affected on version 1.1.0. RC4-MD5 is affected on version 1.0.2.

The vendor was notified on November 13, 2016.

Robert Swiecki of Google reported this vulnerability.

A remote server can supply specially crafted parameters for a DHE or ECDHE key exchange to trigger a null pointer dereference and cause the target client service to crash [CVE-2017-3730]. Version 1.1.0 is affected.

The vendor was notified on January 14, 2017.

Guido Vranken reported this vulnerability.

A remote user can exploit a carry propagation flaw in BN_mod_exp() to potentially determine information about the private key in certain situations [CVE-2017-3732].

Systems configured for persistent DH parameters and sharing a private key between multiple clients are affected.

The vendor was notified on January 15, 201.

The OSS-Fuzz project reported this vulnerability.

Impact:   A remote user can cause the target service to crash.

A remote user can obtain potentially sensitive information on the target system.

Solution:   Pulse Secure has issued an advisory for CVE-2017-3730 and CVE-2017-3731 for Pulse Connect Secure.

Pulse Connect Secure is affected by CVE-2017-3731 if RC4 is enabled.

The impact of CVE-2017-3730 on Pulse Connect Secure is under investigation.

The Pulse Secure advisory is available at:

https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA40423/

Vendor URL:  kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA40423/ (Links to External Site)
Cause:   Access control error

Message History:   This archive entry is a follow-up to the message listed below.
Jan 26 2017 OpenSSL Multiple Bugs Let Remote Users Deny Service and Obtain Potentially Sensitive Information



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