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Alerts This Week
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Ubuntu 16.04 LTS: USN-3102-1 High Risk Vulnerability in Quagga DoS

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Calendar Grey October 13, 2016
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Ubuntu Security Alert USN-3102-1 details vulnerabilities in Quagga that could result in service disruption or unauthorized data access.
Several security issues were fixed in Quagga.

Summary

Several security issues were fixed in Quagga.

Software Description:

- quagga: BGP/OSPF/RIP routing daemon

Details:

It was discovered that Quagga incorrectly handled dumping data. A remote

attacker could possibly use a large BGP packet to cause Quagga to crash,

resulting in a denial of service. (CVE-2016-4049)

It was discovered that the Quagga package incorrectly set permissions on

the configuration directory. A local user could use this issue to possibly

obtain sensitive information. (CVE-2016-4036)

Update Instructions

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

Ubuntu 16.04 LTS:
  quagga                          0.99.24.1-2ubuntu1.1

Ubuntu 14.04 LTS:
  quagga                          0.99.22.4-3ubuntu1.2

Ubuntu 12.04 LTS:
  quagga                          0.99.20.1-0ubuntu0.12.04.5

After a standard system update you need to restart Quagga to make all the
necessary changes.

References

CVE-2016-4036, CVE-2016-4049

Severity
important
Lowest
Low
Medium
High
Critical

October 13, 2016

Package Information

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