{"id":"CVE-2013-6410","aliases":["DEBIAN-CVE-2013-6410","DSA-2806-1","EUVD-2013-6229","GHSA-m347-4hpq-mfpc","UBUNTU-CVE-2013-6410","USN-2676-1"],"status":"published","title":"nbd-server in Network Block Device (nbd) before 3.5 does not properly check IP addresses, which...","description":"nbd-server in Network Block Device (nbd) before 3.5 does not properly check IP addresses, which might allow remote attackers to bypass intended access restrictions via an IP address that has a partial match in the authfile configuration file.","severity":{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.02542,"percentile":0.85104,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-264"],"published":"2013-11-29T00:00:00Z","modified":"2026-09-01T20:02:14Z","fixes":[{"ecosystem":"Debian:12","package":"nbd","fixed_in":["1:3.5-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"nbd","fixed_in":["1:3.5-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"nbd","fixed_in":["1:3.5-1"],"sources":["osv"]},{"ecosystem":"Debian:6.0","package":"nbd","fixed_in":["1:2.9.16-8+squeeze1"],"sources":["osv"]},{"ecosystem":"Debian:7","package":"nbd","fixed_in":["1:3.2-4~deb7u4"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"nbd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:3.5-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"nbd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:3.5-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"nbd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:3.5-1"}]}]},{"source":"osv","ecosystem":"Debian:6.0","package":"nbd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.9.16-8+squeeze1"}]}],"versions":["1:2.9.16-8"]},{"source":"osv","ecosystem":"Debian:7","package":"nbd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:3.2-4~deb7u4"}]}],"versions":["1:3.2-2","1:3.2-3","1:3.2-4~deb7u1","1:3.2-4~deb7u2","1:3.2-4~deb7u3","1:3.2-4~deb7u4~bpo60+1"]},{"source":"osv","ecosystem":"Ubuntu:14.04:LTS","package":"nbd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:3.7-1ubuntu0.1"}]}],"versions":["1:3.3-3ubuntu1","1:3.4-1ubuntu1","1:3.4-2ubuntu1","1:3.5-1ubuntu1","1:3.6-1ubuntu1","1:3.7-1"],"bundled":3}],"products":[{"vendor":"canonical","product":"ubuntu_linux"},{"vendor":"debian","product":"debian_linux"},{"vendor":"wouter_verhelst","product":"nbd"}],"references":[{"url":"http://www.securityfocus.com/bid/64002","tags":["vdb-entry","x_refsource_BID","x_transferred","web"]},{"url":"http://www.ubuntu.com/usn/USN-2676-1","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred","Third Party Advisory","advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2013/11/29/4","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Third Party Advisory","advisory","article"]},{"url":"http://sourceforge.net/mailarchive/forum.php?thread_name=529BAA58.2080401%40uter.be\u0026forum_name=nbd-general","tags":["mailing-list","x_refsource_MLIST","x_transferred","Patch","fix"]},{"url":"http://www.debian.org/security/2013/dsa-2806","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2013-6410"},{"url":"https://github.com/advisories/GHSA-m347-4hpq-mfpc"},{"url":"https://security-tracker.debian.org/tracker/CVE-2013-6410","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2013-6410","tags":["report"]},{"url":"http://seclists.org/oss-sec/2013/q4/366","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-2676-1","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2013-6410","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2013-7441","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2015-0847","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2013-6410","description":"nbd-server in Network Block Device (nbd) before 3.5 does not properly check IP addresses, which might allow remote attackers to bypass intended access restrictions via an IP address that has a partial match in the authfile configuration file.","status":"published","published":"2013-12-07T20:00:00Z","modified":"2024-08-06T17:39:01.232Z","updated_at":"2026-11-02T14:34:57.499208Z"}],"euvd":[{"id":"EUVD-2013-6229","description":"nbd-server in Network Block Device (nbd) before 3.5 does not properly check IP addresses, which might allow remote attackers to bypass intended access restrictions via an IP address that has a partial match in the authfile configuration file.","status":"published","published":"2013-12-07T20:00:00Z","modified":"2024-08-06T17:39:01Z","updated_at":"2026-11-03T01:56:26.306678Z"}],"ghsa":[{"id":"GHSA-m347-4hpq-mfpc","title":"nbd-server in Network Block Device (nbd) before 3.5 does not properly check IP addresses, which...","description":"nbd-server in Network Block Device (nbd) before 3.5 does not properly check IP addresses, which might allow remote attackers to bypass intended access restrictions via an IP address that has a partial match in the authfile configuration file.","status":"published","published":"2022-05-17T03:46:27Z","modified":"2023-01-27T05:07:43Z","updated_at":"2026-11-02T14:43:10.83298Z"}],"nvd":[{"id":"CVE-2013-6410","description":"nbd-server in Network Block Device (nbd) before 3.5 does not properly check IP addresses, which might allow remote attackers to bypass intended access restrictions via an IP address that has a partial match in the authfile configuration file.","status":"published","published":"2013-12-07T20:55:02.757Z","modified":"2026-06-17T00:00:26.153Z","cvss":[{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-264"],"updated_at":"2026-11-02T14:02:44.596064Z"}],"osv":[{"id":"CVE-2013-6410","description":"nbd-server in Network Block Device (nbd) before 3.5 does not properly check IP addresses, which might allow remote attackers to bypass intended access restrictions via an IP address that has a partial match in the authfile configuration file.","status":"published","published":"2013-12-07T20:55:02Z","modified":"2026-04-10T03:44:33.003179Z","updated_at":"2026-11-02T15:43:59.361892Z"},{"id":"DEBIAN-CVE-2013-6410","description":"nbd-server in Network Block Device (nbd) before 3.5 does not properly check IP addresses, which might allow remote attackers to bypass intended access restrictions via an IP address that has a partial match in the authfile configuration file.","status":"published","published":"2013-12-07T20:55:02.757Z","modified":"2026-09-01T20:02:14.907071317Z","updated_at":"2026-11-02T15:45:25.819707Z"},{"id":"DSA-2806-1","title":"nbd - privilege escalation","status":"published","published":"2013-11-29T00:00:00Z","modified":"2026-03-09T01:21:24.709724Z","updated_at":"2026-11-02T15:46:15.489951Z"},{"id":"UBUNTU-CVE-2013-6410","description":"nbd-server in Network Block Device (nbd) before 3.5 does not properly check IP addresses, which might allow remote attackers to bypass intended access restrictions via an IP address that has a partial match in the authfile configuration file.","status":"withdrawn","published":"2013-12-07T00:00:00Z","modified":"2026-02-04T04:16:50.572784Z","updated_at":"2026-11-02T15:54:07.421078Z"},{"id":"USN-2676-1","title":"nbd vulnerabilities","description":"It was discovered that NBD incorrectly handled IP address matching. A\nremote attacker could use this issue with an IP address that has a partial\nmatch and bypass access restrictions. This issue only affected\nUbuntu 12.04 LTS. (CVE-2013-6410)\n\nTuomas Räsänen discovered that NBD incorrectly handled wrong export names\nand closed connections during negotiation. A remote attacker could use this\nissue to cause NBD to crash, resulting in a denial of service. This issue\nonly affected Ubuntu 12.04 LTS. (CVE-2013-7441)\n\nTuomas Räsänen discovered that NBD incorrectly handled signals. A remote\nattacker could use this issue to cause NBD to crash, resulting in a denial\nof service. (CVE-2015-0847)\n","status":"published","published":"2015-07-22T17:04:49Z","modified":"2026-02-10T04:40:54Z","updated_at":"2026-11-02T16:58:09.227524Z"}]}}