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Category:   Device (Firewall)  >   Palo Alto PAN-OS Vendors:   Palo Alto Networks
(Palo Alto Networks Issues Fix for Palo Alto PAN-OS) OpenSSL Double Free Memory Error in ssl3_get_new_session_ticket() Has Unspecified Impact
SecurityTracker Alert ID:  1036667
SecurityTracker URL:
CVE Reference:   CVE-2015-1791   (Links to External Site)
Date:  Aug 19 2016
Impact:   Not specified
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 5.0.X, 5.1.X, 6.0.13 and prior, 6.1.12 and prior, 7.0.8 and prior, 7.1.3 and prior
Description:   A vulnerability was reported in OpenSSL. The impact was not specified. Palo Alto PAN-OS is affected.

A remote server can return a specially crafted NewSessionTicket message to a connected multi-threaded client to cause the client to attempt to reuse a previous ticket and trigger a race condition. As a result, a double free memory error may occur in ssl3_get_new_session_ticket().

Emilia Kasper of the OpenSSL development team reported this vulnerability.

Impact:   The impact was not specified.
Solution:   Palo Alto Networks has issued a fix for Palo Alto PAN-OS (6.0.14, 6.1.13, 7.0.9, 7.1.4).

The Palo Alto Networks advisory is available at:

Vendor URL: (Links to External Site)
Cause:   Access control error, State error

Message History:   This archive entry is a follow-up to the message listed below.
Jun 4 2015 OpenSSL Double Free Memory Error in ssl3_get_new_session_ticket() Has Unspecified Impact

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