Security Alert (A17-02-01): Vulnerability in ISC BIND


 

Published on: 10 February 2017

  
  

Description:

 A vulnerability were found in the ISC BIND software. A remote attacker could send a specially crafted query to trigger an assertion failure or read a NULL pointer which could cause the BIND to exit.

Only servers use both Response Policy Zones (RPZ) and DNS64 simultaneously can be affected by this vulnerability.

 

Affected Systems:

  • BIND 9.8.8
  • BIND 9.9.3-S1 to 9.9.9-S7
  • BIND 9.9.3 to 9.9.9-P5
  • BIND 9.9.10b1
  • BIND 9.10.0 to 9.10.4-P5
  • BIND 9.10.5b1
  • BIND 9.11.0 to 9.11.0-P2
  • BIND 9.11.1b1

 

Impact:

Successful exploitation could lead to a denial of service (DoS) condition on an affected system.

 

Recommendation:

Internet Systems Consortium (ISC) has released the following patches to solve the problems:

  • BIND 9.9.9-P6, 9.10.4-P6 and 9.11.0-P3
  • BIND 9.9.9-S8
    http://www.isc.org/downloads/

Users of affected systems should follow the recommendations provided by the product vendor and take immediate actions to mitigate the risk.

 

More Information:

https://kb.isc.org/article/AA-01453
https://www.hkcert.org/my_url/en/alert/17021001
https://www.us-cert.gov/ncas/current-activity/2017/02/08/ISC-Releases-Security-Updates-BIND
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-3135



Tag: BIND , ISC
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