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Ubuntu 15.04 USN-2728-1 Critical Vulnerability in Bind DoS Threat

ubuntu
Calendar Grey September 2, 2015
Scroller Ubuntu
=========================================================================Ubuntu Security Notice USN-
Bind could be made to crash if it received specially crafted network traffic.

Summary

Bind could be made to crash if it received specially crafted network

traffic.

Software Description:

- bind9: Internet Domain Name Server

Details:

Hanno Böck discovered that Bind incorrectly handled certain malformed keys

when configured to perform DNSSEC validation. A remote attacker could use

this issue with specially crafted zone data to cause Bind to crash,

resulting in a denial of service.

Topics%20covered

Topics Covered

security advisory denial of service bind Ubuntu network issue

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 15.04:
  bind9                           1:9.9.5.dfsg-9ubuntu0.3

Ubuntu 14.04 LTS:
  bind9                           1:9.9.5.dfsg-3ubuntu0.5

Ubuntu 12.04 LTS:
  bind9                           1:9.8.1.dfsg.P1-4ubuntu0.13

In general, a standard system update will make all the necessary changes.

References

CVE-2015-5722

Severity
critical
Lowest
Low
Medium
High
Critical

September 02, 2015

Topics%20covered

Topics Covered

security advisory denial of service bind Ubuntu network issue

Package Information

https://launchpad.net/ubuntu/+source/bind9/1:9.9.5.dfsg-9ubuntu0.3
https://launchpad.net/ubuntu/+source/bind9/1:9.9.5.dfsg-3ubuntu0.5
https://launchpad.net/ubuntu/+source/bind9/1:9.8.1.dfsg.P1-4ubuntu0.13

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