SecurityTracker.com
    Home    |    View Topics    |    Search    |    Contact Us    |   

SecurityTracker
Archives


 


Category:   Application (VoIP)  >   Asterisk Vendors:   Digium (Linux Support Services)
Asterisk PJSIP Algorithm Bug Lets Remote Users Cause the Target Service to Crash
SecurityTracker Alert ID:  1038529
SecurityTracker URL:  http://securitytracker.com/id/1038529
CVE Reference:   CVE-2017-9372   (Links to External Site)
Updated:  Jun 2 2017
Original Entry Date:  May 19 2017
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in Asterisk. A remote user can cause the target service to crash.

A remote user can send a SIP packet with a specially crafted CSeq header and a Via header with no branch parameter to trigger a buffer overflow in the PJSIP RFC 2543 transaction key generation algorithm and cause the target service to crash.

The vulnerability resides in the PJSIP component.

Systems using chan_sip are not affected.

Sandro Gauci reported this vulnerability.

Impact:   A remote user can cause the target service to crash.
Solution:   The vendor has issued a fix (13.15.1, 14.4.1).

The vendor advisory is available at:

http://downloads.asterisk.org/pub/security/AST-2017-002.txt

Vendor URL:  downloads.asterisk.org/pub/security/AST-2017-002.txt (Links to External Site)
Cause:   Boundary error
Underlying OS:  Linux (Any), UNIX (Any)

Message History:   None.


 Source Message Contents



[Original Message Not Available for Viewing]


Go to the Top of This SecurityTracker Archive Page





Home   |    View Topics   |    Search   |    Contact Us

This web site uses cookies for web analytics. Learn More

Copyright 2019, SecurityGlobal.net LLC