medium
5
CWE
835 399
Advisory Published
CVE Published
Updated

CVE-2011-1002

First published: Tue Jan 04 2011(Updated: )

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.

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
redhat/avahi<0:0.6.16-10.el5_6
0:0.6.16-10.el5_6
redhat/avahi<0:0.6.25-11.el6
0:0.6.25-11.el6
Avahi AutoIP Daemon<=0.6.28
Avahi AutoIP Daemon=0.1
Avahi AutoIP Daemon=0.2
Avahi AutoIP Daemon=0.3
Avahi AutoIP Daemon=0.4
Avahi AutoIP Daemon=0.5
Avahi AutoIP Daemon=0.5.1
Avahi AutoIP Daemon=0.5.2
Avahi AutoIP Daemon=0.6.1
Avahi AutoIP Daemon=0.6.2
Avahi AutoIP Daemon=0.6.3
Avahi AutoIP Daemon=0.6.4
Avahi AutoIP Daemon=0.6.5
Avahi AutoIP Daemon=0.6.6
Avahi AutoIP Daemon=0.6.7
Avahi AutoIP Daemon=0.6.8
Avahi AutoIP Daemon=0.6.9
Avahi AutoIP Daemon=0.6.10
Avahi AutoIP Daemon=0.6.11
Avahi AutoIP Daemon=0.6.12
Avahi AutoIP Daemon=0.6.13
Avahi AutoIP Daemon=0.6.14
Avahi AutoIP Daemon=0.6.15
Avahi AutoIP Daemon=0.6.16
Avahi AutoIP Daemon=0.6.17
Avahi AutoIP Daemon=0.6.18
Avahi AutoIP Daemon=0.6.19
Avahi AutoIP Daemon=0.6.20
Avahi AutoIP Daemon=0.6.21
Avahi AutoIP Daemon=0.6.22
Avahi AutoIP Daemon=0.6.23
Avahi AutoIP Daemon=0.6.24
Avahi AutoIP Daemon=0.6.25
Avahi AutoIP Daemon=0.6.26
Avahi AutoIP Daemon=0.6.27
Avahi Utilities<=0.6.28
Avahi Utilities=0.1
Avahi Utilities=0.2
Avahi Utilities=0.3
Avahi Utilities=0.4
Avahi Utilities=0.5
Avahi Utilities=0.5.1
Avahi Utilities=0.5.2
Avahi Utilities=0.6.1
Avahi Utilities=0.6.2
Avahi Utilities=0.6.3
Avahi Utilities=0.6.4
Avahi Utilities=0.6.5
Avahi Utilities=0.6.6
Avahi Utilities=0.6.7
Avahi Utilities=0.6.8
Avahi Utilities=0.6.9
Avahi Utilities=0.6.10
Avahi Utilities=0.6.11
Avahi Utilities=0.6.12
Avahi Utilities=0.6.13
Avahi Utilities=0.6.14
Avahi Utilities=0.6.15
Avahi Utilities=0.6.16
Avahi Utilities=0.6.17
Avahi Utilities=0.6.18
Avahi Utilities=0.6.19
Avahi Utilities=0.6.20
Avahi Utilities=0.6.21
Avahi Utilities=0.6.22
Avahi Utilities=0.6.23
Avahi Utilities=0.6.24
Avahi Utilities=0.6.25
Avahi Utilities=0.6.26
Avahi Utilities=0.6.27
Red Hat Fedora=15
Red Hat Enterprise Linux=5.0
Red Hat Enterprise Linux=6.0
Ubuntu=8.04
Ubuntu=9.10
Ubuntu=10.04
Ubuntu=10.10
Debian Linux=5.0
Debian Linux=6.0
Debian Linux=7.0

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the severity of CVE-2011-1002?

    CVE-2011-1002 has a high severity level as it allows remote attackers to cause a denial of service through an infinite loop.

  • How do I fix CVE-2011-1002?

    To fix CVE-2011-1002, upgrade to a version of Avahi that is at least 0.6.29 or higher.

  • Which versions of Avahi are affected by CVE-2011-1002?

    CVE-2011-1002 affects multiple versions of Avahi, including but not limited to 0.6.25, 0.6.5, and 0.6.27.

  • What type of vulnerability is CVE-2011-1002?

    CVE-2011-1002 is a denial of service vulnerability that can be exploited via empty mDNS UDP packets.

  • What is the impact of exploiting CVE-2011-1002?

    Exploiting CVE-2011-1002 can cause the Avahi daemon to enter an infinite loop, effectively disabling its mDNS services.

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