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Category:   Application (VoIP)  >   Asterisk Vendors:   Digium (Linux Support Services)
Asterisk DNS SRV and NAPTR Buffer Overflows Let Remote Users Cause the Target Service to Crash
SecurityTracker Alert ID:  1042142
SecurityTracker URL:  http://securitytracker.com/id/1042142
CVE Reference:   GENERIC-MAP-NOMATCH   (Links to External Site)
Date:  Nov 14 2018
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 issue a specially crafted dns_srv and dns_naptr request to trigger a buffer overflow and cause the target service to crash.

Jan Hoffmann reported this vulnerability.

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

The vendor advisory is available at:

http://downloads.asterisk.org/pub/security/AST-2018-010.html

Vendor URL:  downloads.asterisk.org/pub/security/AST-2018-010.html (Links to External Site)
Cause:   Boundary error
Underlying OS:  Linux (Any), UNIX (Any)

Message History:   None.


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