Security Information / 2017 / Security Information -- DSA-4011-1 quagga

Debian Security Advisory

DSA-4011-1 quagga -- security update

Date Reported:

30 Oct 2017

Affected Packages:

quagga

Vulnerable:

Yes

Security database references:

In the Debian bugtracking system: Bug 879474.
In Mitre's CVE dictionary: CVE-2017-16227.

More information:

It was discovered that the bgpd daemon in the Quagga routing suite does not properly calculate the length of multi-segment AS_PATH UPDATE messages, causing bgpd to drop a session and potentially resulting in loss of network connectivity.

For the oldstable distribution (jessie), this problem has been fixed in version 0.99.23.1-1+deb8u4.

For the stable distribution (stretch), this problem has been fixed in version 1.1.1-3+deb9u1.

We recommend that you upgrade your quagga packages.