Explain CVE-2011-1002
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.
Affected Products: n/a
References: [{'name': 'RHSA-2011:0779', 'tags': ['vendor-advisory', 'x_refsource_REDHAT'], 'url': 'http://www.redhat.com/support/errata/RHSA-2011-0779.html'}, {'name': 'avahi-udp-packet-dos(65525)', 'tags': ['vdb-entry', 'x_refsource_XF'], 'url': 'https://exchange.xforce.ibmcloud.com/vulnerabilities/65525'}, {'name': '[oss-security] 20110222 Re: [oss-security] CVE request: avahi daemon remote denial of service by sending NULL UDP', 'tags': ['mailing-list', 'x_refsource_MLIST'], 'url': 'http://www.openwall.com/lists/oss-security/2011/02/22/9'}, {'name': 'RHSA-2011:0436', 'tags': ['vendor-advisory', 'x_refsource_REDHAT'], 'url': 'http://www.redhat.com/support/errata/RHSA-2011-0436.html'}, {'name': 'ADV-2011-0511', 'tags': ['vdb-entry', 'x_refsource_VUPEN'], 'url': 'http://www.vupen.com/english/advisories/2011/0511'}, {'name': '[oss-security] 20110218 CVE request: avahi daemon remote denial of service by sending NULL UDP', 'tags': ['mailing-list', 'x_refsource_MLIST'], 'url': 'http://openwall.com/lists/oss-security/2011/02/18/1'}, {'name': '43605', 'tags': ['third-party-advisory', 'x_refsource_SECUNIA'], 'url': 'http://secunia.com/advisories/43605'}, {'name': '43465', 'tags': ['third-party-advisory', 'x_refsource_SECUNIA'], 'url': 'http://secunia.com/advisories/43465'}, {'name': '43673', 'tags': ['third-party-advisory', 'x_refsource_SECUNIA'], 'url': 'http://secunia.com/advisories/43673'}, {'name': 'ADV-2011-0601', 'tags': ['vdb-entry', 'x_refsource_VUPEN'], 'url': 'http://www.vupen.com/english/advisories/2011/0601'}, {'tags': ['x_refsource_CONFIRM'], 'url': 'https://bugzilla.redhat.com/show_bug.cgi?id=667187'}, {'name': 'ADV-2011-0969', 'tags': ['vdb-entry', 'x_refsource_VUPEN'], 'url': 'http://www.vupen.com/english/advisories/2011/0969'}, {'name': 'avahi-udp-dos(65524)', 'tags': ['vdb-entry', 'x_refsource_XF'], 'url': 'https://exchange.xforce.ibmcloud.com/vulnerabilities/65524'}, {'name': '44131', 'tags': ['third-party-advisory', 'x_refsource_SECUNIA'], 'url': 'http://secunia.com/advisories/44131'}, {'name': 'MDVSA-2011:040', 'tags': ['vendor-advisory', 'x_refsource_MANDRIVA'], 'url': 'http://www.mandriva.com/security/advisories?name=MDVSA-2011:040'}, {'name': '46446', 'tags': ['vdb-entry', 'x_refsource_BID'], 'url': 'http://www.securityfocus.com/bid/46446'}, {'name': 'MDVSA-2011:037', 'tags': ['vendor-advisory', 'x_refsource_MANDRIVA'], 'url': 'http://www.mandriva.com/security/advisories?name=MDVSA-2011:037'}, {'name': 'ADV-2011-0448', 'tags': ['vdb-entry', 'x_refsource_VUPEN'], 'url': 'http://www.vupen.com/english/advisories/2011/0448'}, {'name': 'SUSE-SR:2011:005', 'tags': ['vendor-advisory', 'x_refsource_SUSE'], 'url': 'http://lists.opensuse.org/opensuse-security-announce/2011-04/msg00000.html'}, {'name': 'DSA-2174', 'tags': ['vendor-advisory', 'x_refsource_DEBIAN'], 'url': 'http://www.debian.org/security/2011/dsa-2174'}, {'name': 'ADV-2011-0499', 'tags': ['vdb-entry', 'x_refsource_VUPEN'], 'url': 'http://www.vupen.com/english/advisories/2011/0499'}, {'name': '70948', 'tags': ['vdb-entry', 'x_refsource_OSVDB'], 'url': 'http://osvdb.org/70948'}, {'name': '43361', 'tags': ['third-party-advisory', 'x_refsource_SECUNIA'], 'url': 'http://secunia.com/advisories/43361'}, {'name': 'ADV-2011-0670', 'tags': ['vdb-entry', 'x_refsource_VUPEN'], 'url': 'http://www.vupen.com/english/advisories/2011/0670'}, {'tags': ['x_refsource_MISC'], 'url': 'http://xorl.wordpress.com/2011/02/20/cve-2011-1002-avahi-daemon-remote-denial-of-service/'}, {'tags': ['x_refsource_CONFIRM'], 'url': 'http://avahi.org/ticket/325'}, {'name': 'FEDORA-2011-3033', 'tags': ['vendor-advisory', 'x_refsource_FEDORA'], 'url': 'http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055858.html'}, {'name': 'ADV-2011-0565', 'tags': ['vdb-entry', 'x_refsource_VUPEN'], 'url': 'http://www.vupen.com/english/advisories/2011/0565'}, {'tags': ['x_refsource_CONFIRM'], 'url': 'http://git.0pointer.de/?p=avahi.git%3Ba=commit%3Bh=46109dfec75534fe270c0ab902576f685d5ab3a6'}, {'name': 'USN-1084-1', 'tags': ['vendor-advisory', 'x_refsource_UBUNTU'], 'url': 'http://ubuntu.com/usn/usn-1084-1'}, {'name': '[oss-security] 20110218 Re: CVE request: avahi daemon remote denial of service by sending NULL UDP', 'tags': ['mailing-list', 'x_refsource_MLIST'], 'url': 'http://openwall.com/lists/oss-security/2011/02/18/4'}]
CVE State: PUBLISHED