{"id":"CVE-2013-5580","url":"https://www.cyber-defence.io/tools/cve/CVE-2013-5580","generatedAt":"2026-10-27T19:53:12.673Z","title":"The (1) Conn_StartLogin and (2) cb_Read_Resolver_Result functions in conn.c in ngIRCd 18 through 20.2, when the configuration option NoticeAuth is enabled, does not properly handle the return code for the Handle_Write function, which allows remote…","description":"The (1) Conn_StartLogin and (2) cb_Read_Resolver_Result functions in conn.c in ngIRCd 18 through 20.2, when the configuration option NoticeAuth is enabled, does not properly handle the return code for the Handle_Write function, which allows remote attackers to cause a denial of service (assertion failure and server crash) via unspecified vectors, related to a \"notice auth\" message not being sent to a new client.","published":"2013-10-01T19:55:10.000Z","lastModified":"2026-06-16T23:59:03.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"2.0","score":4.3,"severity":"MEDIUM","vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P"},"cwe":["CWE-20"],"affected":["barton/ngircd"],"epss":{"score":0.02322,"percentile":0.83354,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (2.32%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://arthur.barton.de/cgi-bin/gitweb.cgi?p=ngircd.git%3Ba=commit%3Bh=309122017ebc6fff039a7cab1b82f632853d82d5","source":"cve@mitre.org"},{"url":"http://arthur.barton.de/pipermail/ngircd-ml/2013-August/000645.html","source":"cve@mitre.org"},{"url":"http://freecode.com/projects/ngircd/releases/357245","tags":["Patch"],"source":"cve@mitre.org"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2013-September/115047.html","source":"cve@mitre.org"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2013-September/115077.html","source":"cve@mitre.org"},{"url":"http://osvdb.org/96590","source":"cve@mitre.org"},{"url":"http://secunia.com/advisories/54567","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"http://arthur.barton.de/cgi-bin/gitweb.cgi?p=ngircd.git%3Ba=commit%3Bh=309122017ebc6fff039a7cab1b82f632853d82d5","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://arthur.barton.de/pipermail/ngircd-ml/2013-August/000645.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://freecode.com/projects/ngircd/releases/357245","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2013-September/115047.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2013-September/115077.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://osvdb.org/96590","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/54567","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2013-5580","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}