The originates_from_local_legacy_unicast_socket function in avahi-core/server.c in avahi-daemon 0.6.23 does not...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- http://www.openwall.com/lists/oss-security/2009/03/02/1
- http://www.mandriva.com/security/advisories?name=MDVSA-2009:076
- http://www.debian.org/security/2010/dsa-2086
- http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00000.html
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=517683
- http://www.securityfocus.com/bid/33946
- http://secunia.com/advisories/38420
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Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.