USN-3573-1: Quagga vulnerabilities
Ubuntu Security Notice USN-3573-1
15th February, 2018
quagga vulnerabilities
A security issue affects these releases of Ubuntu and its
derivatives:
- Ubuntu 17.10
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
Summary
Several security issues were fixed in Quagga.
Software description
- 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 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
The problem can be corrected by updating your system to the following
package version:
- Ubuntu 17.10:
-
quagga
1.1.1-3ubuntu0.2
-
quagga-bgpd
1.1.1-3ubuntu0.2
- Ubuntu 16.04 LTS:
-
quagga
0.99.24.1-2ubuntu1.4
- Ubuntu 14.04 LTS:
-
quagga
0.99.22.4-3ubuntu1.5
To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.
After a standard system update you need to restart Quagga to make
all the necessary changes.
References
Source: USN-3573-1: Quagga vulnerabilities
