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Ubuntu 14.04 LTS: Critical USN-2503-1 Vulnerability in Bind DoS Attack

ubuntu
Calendar Grey February 18, 2015
Dist Ubuntu Esm H88
Ubuntu notice USN-2504-2 brings attention to a potential vulnerability in openssl, recommending immediate upgrade to mitigate risks.
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:

Jan-Piet Mens discovered that Bind incorrectly handled Trust Anchor

Management. A remote attacker could use this issue to cause bind to crash,

resulting in a denial of service.

Update Instructions

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

Ubuntu 14.10:
  bind9                           1:9.9.5.dfsg-4.3ubuntu0.2

Ubuntu 14.04 LTS:
  bind9                           1:9.9.5.dfsg-3ubuntu0.2

Ubuntu 12.04 LTS:
  bind9                           1:9.8.1.dfsg.P1-4ubuntu0.10

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

References

https://ubuntu.com/security/notices/USN-2503-1

CVE-2015-1349

Severity
critical
Lowest
Low
Medium
High
Critical

February 18, 2015

Package Information

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