USN-1441-1: Quagga vulnerabilities
Ubuntu Security Notice USN-1441-1
15th May, 2012
quagga vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.04 LTS
- Ubuntu 11.10
- Ubuntu 11.04
- Ubuntu 10.04 LTS
Summary
Quagga could be made to crash if it received specially crafted network traffic.
Software description
- quagga - BGP/OSPF/RIP routing daemon
Details
It was discovered that Quagga incorrectly handled Link State Update
messages with invalid lengths. A remote attacker could use this flaw to
cause Quagga to crash, resulting in a denial of service. (CVE-2012-0249,
CVE-2012-0250)
It was discovered that Quagga incorrectly handled messages with a malformed
Four-octet AS Number Capability. A remote attacker could use this flaw to
cause Quagga to crash, resulting in a denial of service. (CVE-2012-0255)
Update instructions
The problem can be corrected by updating your system to the following package version:
- Ubuntu 12.04 LTS:
- quagga 0.99.20.1-0ubuntu0.12.04.2
- Ubuntu 11.10:
- quagga 0.99.20.1-0ubuntu0.11.10.2
- Ubuntu 11.04:
- quagga 0.99.20.1-0ubuntu0.11.04.2
- Ubuntu 10.04 LTS:
- quagga 0.99.20.1-0ubuntu0.10.04.2
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
This update uses a new upstream release, which includes additional bug
fixes. After a standard system update you need to restart Quagga to make
all the necessary changes.