{"id":"CVE-2007-4411","aliases":["DEBIAN-CVE-2007-4411","EUVD-2007-4394","GHSA-6wgv-cpj2-hjhf"],"status":"published","title":"ircu 2.10.12.05 and earlier allows remote attackers to discover the hidden IP address of...","description":"ircu 2.10.12.05 and earlier allows remote attackers to discover the hidden IP address of arbitrary +x users via a series of /silence commands with (1) CIDR mask arguments or (2) certain other arguments that represent groups of IP addresses, then monitoring CTCP ping replies.","severity":{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01183,"percentile":0.67977,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2007-08-18T21:00:00Z","modified":"2026-10-21T17:47:45Z","fixes":[{"ecosystem":"Debian:12","package":"ircd-ircu","fixed_in":["2.10.12.10.dfsg1-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"ircd-ircu","fixed_in":["2.10.12.10.dfsg1-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"ircd-ircu","fixed_in":["2.10.12.10.dfsg1-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"ircd-ircu","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.10.12.10.dfsg1-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"ircd-ircu","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.10.12.10.dfsg1-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"ircd-ircu","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.10.12.10.dfsg1-1"}]}]}],"products":[{"vendor":"universal_ircd","product":"ircu"}],"references":[{"url":"http://securityreason.com/securityalert/3031","tags":["third-party-advisory","x_refsource_SREASON","x_transferred","web"]},{"url":"http://www.securityfocus.com/archive/1/476285/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred","web"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/35997","tags":["vdb-entry","x_refsource_XF","x_transferred","web"]},{"url":"http://www.securityfocus.com/bid/25285","tags":["vdb-entry","x_refsource_BID","x_transferred","Exploit","evidence"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2007-4411"},{"url":"https://github.com/advisories/GHSA-6wgv-cpj2-hjhf"},{"url":"https://security-tracker.debian.org/tracker/CVE-2007-4411","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2007-4411","description":"ircu 2.10.12.05 and earlier allows remote attackers to discover the hidden IP address of arbitrary +x users via a series of /silence commands with (1) CIDR mask arguments or (2) certain other arguments that represent groups of IP addresses, then monitoring CTCP ping replies.","status":"published","published":"2007-08-18T21:00:00Z","modified":"2024-08-07T14:53:55.742Z","updated_at":"2026-11-02T13:33:30.262137Z"}],"euvd":[{"id":"EUVD-2007-4394","description":"ircu 2.10.12.05 and earlier allows remote attackers to discover the hidden IP address of arbitrary +x users via a series of /silence commands with (1) CIDR mask arguments or (2) certain other arguments that represent groups of IP addresses, then monitoring CTCP ping replies.","status":"published","published":"2007-08-18T21:00:00Z","modified":"2024-08-07T14:53:55Z","updated_at":"2026-11-03T01:16:21.520411Z"}],"ghsa":[{"id":"GHSA-6wgv-cpj2-hjhf","title":"ircu 2.10.12.05 and earlier allows remote attackers to discover the hidden IP address of...","description":"ircu 2.10.12.05 and earlier allows remote attackers to discover the hidden IP address of arbitrary +x users via a series of /silence commands with (1) CIDR mask arguments or (2) certain other arguments that represent groups of IP addresses, then monitoring CTCP ping replies.","status":"published","published":"2022-05-01T18:23:18Z","modified":"2023-01-31T05:04:25Z","updated_at":"2026-11-02T14:48:40.043352Z"}],"nvd":[{"id":"CVE-2007-4411","description":"ircu 2.10.12.05 and earlier allows remote attackers to discover the hidden IP address of arbitrary +x users via a series of /silence commands with (1) CIDR mask arguments or (2) certain other arguments that represent groups of IP addresses, then monitoring CTCP ping replies.","status":"published","published":"2007-08-18T21:17:00Z","modified":"2026-06-16T22:44:01.843Z","cvss":[{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:01:19.102336Z"}],"osv":[{"id":"CVE-2007-4411","description":"ircu 2.10.12.05 and earlier allows remote attackers to discover the hidden IP address of arbitrary +x users via a series of /silence commands with (1) CIDR mask arguments or (2) certain other arguments that represent groups of IP addresses, then monitoring CTCP ping replies.","status":"published","published":"2007-08-18T21:17:00Z","modified":"2026-04-10T03:39:03.273056Z","updated_at":"2026-11-02T15:43:57.178433Z"},{"id":"DEBIAN-CVE-2007-4411","description":"ircu 2.10.12.05 and earlier allows remote attackers to discover the hidden IP address of arbitrary +x users via a series of /silence commands with (1) CIDR mask arguments or (2) certain other arguments that represent groups of IP addresses, then monitoring CTCP ping replies.","status":"published","published":"2007-08-18T21:17:00Z","modified":"2026-10-21T17:47:45.364481009Z","updated_at":"2026-11-02T15:45:23.411908Z"}]}}