Rapid7 Vulnerability & Exploit Database

RHSA-2009:0013: avahi security update

Back to Search

RHSA-2009:0013: avahi security update

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
12/16/2008
Created
07/25/2018
Added
02/22/2009
Modified
07/04/2017

Description

Avahi is an implementation of the DNS Service Discovery and Multicast DNSspecifications for Zeroconf Networking. It facilitates service discovery ona local network. Avahi and Avahi-aware applications allow you to plug yourcomputer into a network and, with no configuration, view other people tochat with, see printers to print to, and find shared files on other computers.Hugo Dias discovered a denial of service flaw in avahi-daemon. A remoteattacker on the same local area network (LAN) could send aspecially-crafted mDNS (Multicast DNS) packet that would cause avahi-daemonto exit unexpectedly due to a failed assertion check. (CVE-2008-5081)All users are advised to upgrade to these updated packages, which contain abackported patch which resolves this issue. After installing the update,avahi-daemon will be restarted automatically.

Solution(s)

  • redhat-upgrade-avahi
  • redhat-upgrade-avahi-compat-howl
  • redhat-upgrade-avahi-compat-howl-devel
  • redhat-upgrade-avahi-compat-libdns_sd
  • redhat-upgrade-avahi-compat-libdns_sd-devel
  • redhat-upgrade-avahi-devel
  • redhat-upgrade-avahi-glib
  • redhat-upgrade-avahi-glib-devel
  • redhat-upgrade-avahi-qt3
  • redhat-upgrade-avahi-qt3-devel
  • redhat-upgrade-avahi-tools

With Rapid7 live dashboards, I have a clear view of all the assets on my network, which ones can be exploited, and what I need to do in order to reduce the risk in my environment in real-time. No other tool gives us that kind of value and insight.

– Scott Cheney, Manager of Information Security, Sierra View Medical Center

;