CVE-2017-3143
Publication date 29 June 2017
Last updated 25 August 2025
Ubuntu priority
Cvss 3 Severity Score
Description
An attacker who is able to send and receive messages to an authoritative DNS server and who has knowledge of a valid TSIG key name for the zone and service being targeted may be able to manipulate BIND into accepting an unauthorized dynamic update. Affects BIND 9.4.0->9.8.8, 9.9.0->9.9.10-P1, 9.10.0->9.10.5-P1, 9.11.0->9.11.1-P1, 9.9.3-S1->9.9.10-S2, 9.10.5-S1->9.10.5-S2.
Status
| Package | Ubuntu Release | Status | 
|---|---|---|
| bind9 | ||
| 16.04 LTS xenial | 
                              
                               
                                Fixed 1:9.10.3.dfsg.P4-8ubuntu1.7 
                                
                               
                             |      
                          
                            
                          
                        
                      |
| 14.04 LTS trusty | 
                              
                               
                                Fixed 1:9.9.5.dfsg-3ubuntu0.15 
                                
                               
                             |      
                          
                            
                          
                        
                      
Severity score breakdown
| Parameter | Value | 
|---|---|
| Base score | 
                      
                      
                         | 
                  
| Attack vector | Network | 
| Attack complexity | High | 
| Privileges required | None | 
| User interaction | None | 
| Scope | Unchanged | 
| Confidentiality | None | 
| Integrity impact | High | 
| Availability impact | None | 
| Vector | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N | 
References
Related Ubuntu Security Notices (USN)
- USN-3346-1
 - bind9 vulnerabilities
 - 29 June 2017
 - USN-3346-3
 - Bind vulnerabilities
 - 8 November 2017