CVE Database


Impact: Moderate
Public: 2011-01-04
Bugzilla: 667187: CVE-2011-1002 avahi: daemon infinite loop triggered by an empty UDP packet (CVE-2010-2244 fix regression)


The MITRE CVE dictionary describes this issue as:

avahi-core/socket.c in avahi-daemon in Avahi before 0.6.29 allows remote attackers to cause a denial of service (infinite loop) via an empty mDNS (1) IPv4 or (2) IPv6 UDP packet to port 5353. NOTE: this vulnerability exists because of an incorrect fix for CVE-2010-2244.

Find out more about CVE-2011-1002 from the MITRE CVE dictionary and NIST NVD.

CVSS v2 metrics

Base Score: 3.3
Base Metrics: AV:A/AC:L/Au:N/C:N/I:N/A:P
Access Vector: Adjacent Network
Access Complexity: Low
Authentication: None
Confidentiality Impact: None
Integrity Impact: None
Availability Impact: Partial

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat security errata

Platform Errata Release Date
Red Hat Enterprise Linux version 5 (avahi) RHSA-2011:0436 April 12, 2011
Red Hat Enterprise Linux version 6 (avahi) RHSA-2011:0779 May 19, 2011

External References

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For clarification or corrections please contact the Red Hat Security Response Team.