{"id":"CVE-2009-1789","aliases":["DEBIAN-CVE-2009-1789","DSA-1826-1","EUVD-2009-1784","GHSA-v2pc-r45v-vq4h"],"status":"published","title":"mod/server.mod/servmsg.c in Eggheads Eggdrop and Windrop 1.6.19 and earlier allows remote...","description":"mod/server.mod/servmsg.c in Eggheads Eggdrop and Windrop 1.6.19 and earlier allows remote attackers to cause a denial of service (crash) via a crafted PRIVMSG that causes an empty string to trigger a negative string length copy.  NOTE: this issue exists because of an incorrect fix for CVE-2007-2807.","severity":{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.08488,"percentile":0.95069,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":true},"published":"2009-05-26T16:00:00Z","modified":"2026-10-23T17:47:38Z","exploits":[{"source":"exploitdb","id":"EDB-8695","title":"Eggdrop/Windrop 1.6.19 - ctcpbuf Remote Crash","type":"dos","platform":"multiple","date":"2009-05-15","verified":true,"url":"https://www.exploit-db.com/exploits/8695"}],"fixes":[{"ecosystem":"Debian:12","package":"eggdrop","fixed_in":["1.6.19-1.2"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"eggdrop","fixed_in":["1.6.19-1.2"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"eggdrop","fixed_in":["1.6.19-1.2"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"eggdrop","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.19-1.2"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"eggdrop","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.19-1.2"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"eggdrop","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.19-1.2"}]}]},{"source":"osv","ecosystem":"Debian:4.0","package":"eggdrop","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.18-1etch2"}]}],"versions":["1.6.18-1","1.6.18-1etch1"],"bundled":2},{"source":"osv","ecosystem":"Debian:5.0","package":"eggdrop","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.19-1.1+lenny1"}]}],"versions":["1.6.19-1.1"],"bundled":2}],"products":[{"vendor":"eggheads","product":"eggdrop"},{"vendor":"eggheads","product":"eggdrop_irc_bot"},{"vendor":"philip_moore","product":"windrop"}],"references":[{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/50547","tags":["vdb-entry","x_refsource_XF","x_transferred","web"]},{"url":"http://secunia.com/advisories/35104","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory","advisory"]},{"url":"http://osvdb.org/54460","tags":["vdb-entry","x_refsource_OSVDB","x_transferred","web"]},{"url":"http://www.securityfocus.com/archive/1/503574","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred","web"]},{"url":"http://www.vupen.com/english/advisories/2009/1340","tags":["vdb-entry","x_refsource_VUPEN","x_transferred","Patch","Vendor Advisory","advisory","fix"]},{"url":"https://www.redhat.com/archives/fedora-package-announce/2009-May/msg01337.html","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"https://www.exploit-db.com/exploits/8695","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred","web"]},{"url":"http://cvs.eggheads.org/viewvc/viewvc.cgi/eggdrop1.6/doc/Changes1.6?revision=1.20\u0026view=markup","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory","advisory","fix"]},{"url":"http://secunia.com/advisories/35690","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","advisory"]},{"url":"http://archives.neohapsis.com/archives/fulldisclosure/2009-05/0129.html","tags":["mailing-list","x_refsource_FULLDISC","x_transferred","web"]},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2009:126","tags":["vendor-advisory","x_refsource_MANDRIVA","x_transferred","advisory"]},{"url":"http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=528778","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"http://www.securityfocus.com/bid/34985","tags":["vdb-entry","x_refsource_BID","x_transferred","web"]},{"url":"https://www.redhat.com/archives/fedora-package-announce/2009-May/msg01333.html","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"http://secunia.com/advisories/35158","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","advisory"]},{"url":"http://www.debian.org/security/2009/dsa-1826","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-1789"},{"url":"https://github.com/advisories/GHSA-v2pc-r45v-vq4h"},{"url":"https://security-tracker.debian.org/tracker/CVE-2009-1789","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2009-1789","description":"mod/server.mod/servmsg.c in Eggheads Eggdrop and Windrop 1.6.19 and earlier allows remote attackers to cause a denial of service (crash) via a crafted PRIVMSG that causes an empty string to trigger a negative string length copy.  NOTE: this issue exists because of an incorrect fix for CVE-2007-2807.","status":"published","published":"2009-05-26T16:00:00Z","modified":"2024-08-07T05:27:54.421Z","updated_at":"2026-11-02T14:33:25.516454Z"}],"euvd":[{"id":"EUVD-2009-1784","description":"mod/server.mod/servmsg.c in Eggheads Eggdrop and Windrop 1.6.19 and earlier allows remote attackers to cause a denial of service (crash) via a crafted PRIVMSG that causes an empty string to trigger a negative string length copy.  NOTE: this issue exists because of an incorrect fix for CVE-2007-2807.","status":"published","published":"2009-05-26T16:00:00Z","modified":"2024-08-07T05:27:54Z","updated_at":"2026-11-03T01:39:20.465485Z"}],"ghsa":[{"id":"GHSA-v2pc-r45v-vq4h","title":"mod/server.mod/servmsg.c in Eggheads Eggdrop and Windrop 1.6.19 and earlier allows remote...","description":"mod/server.mod/servmsg.c in Eggheads Eggdrop and Windrop 1.6.19 and earlier allows remote attackers to cause a denial of service (crash) via a crafted PRIVMSG that causes an empty string to trigger a negative string length copy.  NOTE: this issue exists because of an incorrect fix for CVE-2007-2807.","status":"published","published":"2022-05-02T03:28:40Z","modified":"2023-01-31T05:07:38Z","updated_at":"2026-11-02T14:49:15.080722Z"}],"nvd":[{"id":"CVE-2009-1789","description":"mod/server.mod/servmsg.c in Eggheads Eggdrop and Windrop 1.6.19 and earlier allows remote attackers to cause a denial of service (crash) via a crafted PRIVMSG that causes an empty string to trigger a negative string length copy.  NOTE: this issue exists because of an incorrect fix for CVE-2007-2807.","status":"published","published":"2009-05-26T16:30:02.967Z","modified":"2026-06-16T23:08:03.84Z","cvss":[{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:01:35.136779Z"}],"osv":[{"id":"CVE-2009-1789","description":"mod/server.mod/servmsg.c in Eggheads Eggdrop and Windrop 1.6.19 and earlier allows remote attackers to cause a denial of service (crash) via a crafted PRIVMSG that causes an empty string to trigger a negative string length copy.  NOTE: this issue exists because of an incorrect fix for CVE-2007-2807.","status":"published","published":"2009-05-26T16:30:02Z","modified":"2026-04-10T03:40:47.041177Z","updated_at":"2026-11-02T15:43:57.714116Z"},{"id":"DEBIAN-CVE-2009-1789","description":"mod/server.mod/servmsg.c in Eggheads Eggdrop and Windrop 1.6.19 and earlier allows remote attackers to cause a denial of service (crash) via a crafted PRIVMSG that causes an empty string to trigger a negative string length copy.  NOTE: this issue exists because of an incorrect fix for CVE-2007-2807.","status":"published","published":"2009-05-26T16:30:02.967Z","modified":"2026-10-23T17:47:38.050837645Z","updated_at":"2026-11-02T15:45:24.013654Z"},{"id":"DSA-1826-1","title":"eggdrop - several vulnerabilities","status":"published","published":"2009-07-04T00:00:00Z","modified":"2026-03-09T01:20:01.56347Z","updated_at":"2026-11-02T15:46:14.734124Z"}]}}