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Category:   Application (Generic)  >   Dnsmasq Vendors:   Kelley, Simon
Dnsmasq Response Processing Flaw Lets Remote Users Cause the Target Service to Crash
SecurityTracker Alert ID:  1036045
SecurityTracker URL:  http://securitytracker.com/id/1036045
CVE Reference:   CVE-2015-8899   (Links to External Site)
Date:  Jun 7 2016
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

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

A remote upstream server can send a specially crafted reply with an empty DNS address to a target server that has the A or AAAA record for the requested host defined locally to cause the target service to crash.

The original advisory is available at:

http://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2016q2/010479.html

Alexander E. Patrakov reported this vulnerability.

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

http://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commit;h=41a8d9e99be9f2cc8b02051dd322cb45e0faac87

Vendor URL:  www.thekelleys.org.uk/dnsmasq/doc.html (Links to External Site)
Cause:   State error
Underlying OS:  Linux (Any), UNIX (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Jun 20 2016 (Ubuntu Issues Fix) Dnsmasq Response Processing Flaw Lets Remote Users Cause the Target Service to Crash
Ubuntu has issued a fix for Ubuntu Linux 15.10 and 16.04 LTS.



 Source Message Contents



[Original Message Not Available for Viewing]


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