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Category:   Application (VoIP)  >   Asterisk Vendors:   Digium (Linux Support Services)
Asterisk Endpoint Specific ACL Response Lets Remote Users Obtain Potentially Sensitive Information on the Target System
SecurityTracker Alert ID:  1041088
SecurityTracker URL:
CVE Reference:   CVE-2018-12227   (Links to External Site)
Updated:  Oct 17 2018
Original Entry Date:  Jun 12 2018
Impact:   Disclosure of system information, Disclosure of user information
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 13.10.0 and later 13.x versions, 14.x, 15.x
Description:   A vulnerability was reported in Asterisk. A remote user can obtain potentially sensitive information on the target system.

When the system is configured with endpoint-specific access control list (ACL) rules, a remote user can send a SIP request to cause the system to return a 403 Forbidden response, disclosing the existence of the PJSIP endpoint to the remote user.

John reported this vulnerability.

Impact:   A remote user can obtain potentially sensitive information about PJSIP endpoints on the target system.
Solution:   The vendor has issued a fix (13.21.1, 14.7.7, 15.4.1).

The vendor advisory is available at:

Vendor URL: (Links to External Site)
Cause:   Access control error
Underlying OS:  Linux (Any), UNIX (Any)

Message History:   None.

 Source Message Contents

[Original Message Not Available for Viewing]

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