PT-2009-1085 · Avahi+1 · Avahi-Daemon+1

Steffen Joeris

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Published

2009-03-03

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Updated

2024-06-15

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CVE-2009-0758

CVSS v2.0

7.8

High

VectorAV:N/AC:L/Au:N/C:N/I:N/A:C
Name of the Vulnerable Software and Affected Versions avahi-daemon versions 0.6.23 through 0.6.24-r2 avahi-daemon version 0.6.23
Description The issue is related to the originates from local legacy unicast socket function in avahi-daemon, which does not properly handle the network byte order of a port number when processing incoming multicast packets. This allows remote attackers to cause a denial of service by consuming network bandwidth and CPU resources via a crafted legacy unicast mDNS query packet that triggers a multicast packet storm. The vulnerability can be exploited remotely and may lead to disruption of protected information availability.
Recommendations For avahi-daemon versions 0.6.23 through 0.6.24-r2, update to version 0.6.24-r2 or later to resolve the issue. At the moment, there is no information about additional mitigation measures for this vulnerability.

Fix

DoS

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Weakness Enumeration

Related Identifiers

BDU:2015-09386
CVE-2009-0758
DSA-2086-1
OPENSUSE-SU-2024:10363-1
RHSA-2010:0528
RHSA-2010_0528

Affected Products

Red Hat
Avahi-Daemon