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CVE-2009-0758

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Date: March 3, 2009

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.

Language: C

Severity Score

Related Resources (10)

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
https://access.redhat.com/security/cve/CVE-2009-0758
https://nvd.nist.gov/vuln/detail/CVE-2009-0758
http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00000.html
http://secunia.com/advisories/38420
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=517683
http://www.securityfocus.com/bid/33946
https://www.mend.io/vulnerability-database/CVE-2009-0758

Severity Score

Weakness Type (CWE)

Resource Management Errors

CWE-399

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): COMPLETE
Additional information:

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