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Ubuntu 12.04 ESM USN-3769-2 Moderate: Bind9 Crash Due To Traffic

ubuntu
Calendar Grey October 1, 2018
Dist Ubuntu Esm H88
The Ubuntu Security Notice USN-3769-1 highlights a significant bind9 failure triggered by malicious network data, affecting users of version 12.04 ESM.
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:

USN-3769-1 fixed a vulnerability in Bind. This update provides

the corresponding update for Ubuntu 12.04 ESM.

Original advisory details:

 It was discovered that Bind incorrectly handled the deny-answer- aliases feature. If this feature is enabled, a remote attacker could

 use this issue to cause Bind to crash, resulting in a denial of

 service.

Topics%20covered

Topics Covered

security advisory denial of service ubuntu network attack bind9

Update Instructions

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

Ubuntu 12.04 ESM:
  bind9                           1:9.8.1.dfsg.P1-4ubuntu0.26

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

References

  https://ubuntu.com/security/notices/USN-3769-2

  https://ubuntu.com/security/notices/USN-3769-1

  CVE-2018-5740

October 01, 2018

Topics%20covered

Topics Covered

security advisory denial of service ubuntu network attack bind9

Package Information

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