Description
The originates_from_local_legacy_unicast_socket function in avahi-core/server.c in avahi-daemon 0.6.23 does not account for the network byte order of a port number when processing incoming multicast packets, which allows remote attackers to cause a denial of service (network bandwidth and CPU consumption) via a crafted legacy unicast mDNS query packet that triggers a multicast packet storm.
Published: 2009-03-03
Score: 7.8 High
EPSS: 1.1% Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Debian DSA Debian DSA DSA-2086-1 New avahi packages fix denial of service
EUVD EUVD EUVD-2009-0758 The originates_from_local_legacy_unicast_socket function in avahi-core/server.c in avahi-daemon 0.6.23 does not account for the network byte order of a port number when processing incoming multicast packets, which allows remote attackers to cause a denial of service (network bandwidth and CPU consumption) via a crafted legacy unicast mDNS query packet that triggers a multicast packet storm.
Ubuntu USN Ubuntu USN USN-992-1 Avahi vulnerabilities
History

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Subscriptions

Avahi Avahi-daemon
Redhat Enterprise Linux
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-07T04:48:51.920Z

Reserved: 2009-03-03T00:00:00.000Z

Link: CVE-2009-0758

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2009-03-03T16:30:05.313

Modified: 2026-04-23T00:35:47.467

Link: CVE-2009-0758

cve-icon Redhat

Severity : Low

Publid Date: 2009-03-01T00:00:00Z

Links: CVE-2009-0758 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses