1. Ubuntu Security Notices
  2. USN-3573-1

USN-3573-1: Quagga vulnerabilities

Publication date

16 February 2018

Overview

Several security issues were fixed in Quagga.

Releases

Packages

  • quagga - BGP/OSPF/RIP routing daemon

Details

It was discovered that a double-free vulnerability existed in the
Quagga BGP daemon when processing certain forms of UPDATE message.
A remote attacker could use this to cause a denial of service or
possibly execute arbitrary code. (CVE-2018-5379)

It was discovered that the Quagga BGP daemon did not properly bounds
check the data sent with a NOTIFY to a peer. An attacker could use this
to expose sensitive information or possibly cause a denial of service.
This issue only affected Ubuntu 17.10. (CVE-2018-5378)

It was discovered that a table overrun vulnerability existed in the
Quagga BGP daemon. An attacker in control of a configured peer could
use this to possibly expose sensitive information or possibly cause
a denial of service. (CVE-2018-5380)

It was discovered that the Quagga BGP daemon in some...

It was discovered that a double-free vulnerability existed in the
Quagga BGP daemon when processing certain forms of UPDATE message.
A remote attacker could use this to cause a denial of service or
possibly execute arbitrary code. (CVE-2018-5379)

It was discovered that the Quagga BGP daemon did not properly bounds
check the data sent with a NOTIFY to a peer. An attacker could use this
to expose sensitive information or possibly cause a denial of service.
This issue only affected Ubuntu 17.10. (CVE-2018-5378)

It was discovered that a table overrun vulnerability existed in the
Quagga BGP daemon. An attacker in control of a configured peer could
use this to possibly expose sensitive information or possibly cause
a denial of service. (CVE-2018-5380)

It was discovered that the Quagga BGP daemon in some configurations
did not properly handle invalid OPEN messages. An attacker in control
of a configured peer could use this to cause a denial of service
(infinite loop). (CVE-2018-5381)

Update instructions

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
17.10 artful quagga –  1.1.1-3ubuntu0.2
quagga-bgpd –  1.1.1-3ubuntu0.2
16.04 xenial quagga –  0.99.24.1-2ubuntu1.4
14.04 trusty quagga –  0.99.22.4-3ubuntu1.5

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References

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