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Ubuntu 12.04 ESM USN-3893-2: Bind Denial of Service Fix

ubuntu
Calendar Grey February 25, 2019
Dist Ubuntu Esm H88
=========================================================================Ubuntu Security Notice USN-
Several security issues were fixed in Bind.

Summary

Several security issues were fixed in Bind.

Software Description:

- bind9: Internet Domain Name Server

Details:

USN-3893-1 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 certain trust anchors

 when used with the "managed-keys" feature. A remote attacker could

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

 of service. (CVE-2018-5745)

 It was discovered that Bind incorrectly handled certain controls for

 zone transfers, contrary to expectations. (CVE-2019-6465)

Topics%20covered

Topics Covered

security advisory denial of service remote attack Ubuntu 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.P1-4ubuntu0.27

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

References

  https://ubuntu.com/security/notices/USN-3893-2

  https://ubuntu.com/security/notices/USN-3893-1

  CVE-2018-5745, CVE-2019-6465

Severity
important
Lowest
Low
Medium
High
Critical

February 25, 2019

Topics%20covered

Topics Covered

security advisory denial of service remote attack Ubuntu bind9

Package Information

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