{"id":"CVE-2014-3569","url":"https://www.cyber-defence.io/tools/cve/CVE-2014-3569","generatedAt":"2026-11-05T06:38:57.053Z","title":"The ssl23_get_client_hello function in s23_srvr.c in OpenSSL 0.9.8zc, 1.0.0o, and 1.0.1j does not properly handle attempts to use unsupported protocols, which allows remote attackers to cause a denial of service (NULL pointer dereference and daemon…","description":"The ssl23_get_client_hello function in s23_srvr.c in OpenSSL 0.9.8zc, 1.0.0o, and 1.0.1j does not properly handle attempts to use unsupported protocols, which allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via an unexpected handshake, as demonstrated by an SSLv3 handshake to a no-ssl3 application with certain error handling.  NOTE: this issue became relevant after the CVE-2014-3568 fix.","published":"2014-12-24T11:59:00.000Z","lastModified":"2026-06-17T00:08:31.000Z","status":"Modified","sourceIdentifier":"secalert@redhat.com","cvss":{"version":"2.0","score":5,"severity":"MEDIUM","vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P"},"cwe":[],"affected":["openssl/openssl"],"epss":{"score":0.19524,"percentile":0.97384,"date":"2026-11-04","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 19.5%, higher than 97% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10679","source":"secalert@redhat.com"},{"url":"http://lists.apple.com/archives/security-announce/2015/Apr/msg00001.html","source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2015-01/msg00021.html","source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00026.html","source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00011.html","source":"secalert@redhat.com"},{"url":"http://marc.info/?l=bugtraq&m=142496179803395&w=2","source":"secalert@redhat.com"},{"url":"http://marc.info/?l=bugtraq&m=142496289803847&w=2","source":"secalert@redhat.com"},{"url":"http://marc.info/?l=bugtraq&m=142721102728110&w=2","source":"secalert@redhat.com"},{"url":"http://marc.info/?l=bugtraq&m=142895206924048&w=2","source":"secalert@redhat.com"},{"url":"http://marc.info/?l=bugtraq&m=143748090628601&w=2","source":"secalert@redhat.com"},{"url":"http://marc.info/?l=bugtraq&m=144050155601375&w=2","source":"secalert@redhat.com"},{"url":"http://marc.info/?l=bugtraq&m=144050205101530&w=2","source":"secalert@redhat.com"},{"url":"http://marc.info/?l=bugtraq&m=144050254401665&w=2","source":"secalert@redhat.com"},{"url":"http://marc.info/?l=bugtraq&m=144050297101809&w=2","source":"secalert@redhat.com"},{"url":"http://people.canonical.com/~ubuntu-security/cve/2014/CVE-2014-3569.html","source":"secalert@redhat.com"},{"url":"http://rt.openssl.org/Ticket/Display.html?id=3571&user=guest&pass=guest","source":"secalert@redhat.com"},{"url":"http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20150310-ssl","source":"secalert@redhat.com"},{"url":"http://www.debian.org/security/2015/dsa-3125","source":"secalert@redhat.com"},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2015:019","source":"secalert@redhat.com"},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2015:062","source":"secalert@redhat.com"},{"url":"http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html","source":"secalert@redhat.com"},{"url":"http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html","source":"secalert@redhat.com"},{"url":"http://www.oracle.com/technetwork/topics/security/bulletinjan2015-2370101.html","source":"secalert@redhat.com"},{"url":"http://www.oracle.com/technetwork/topics/security/cpuapr2015-2365600.html","source":"secalert@redhat.com"},{"url":"http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html","source":"secalert@redhat.com"},{"url":"http://www.oracle.com/technetwork/topics/security/cpuoct2015-2367953.html","source":"secalert@redhat.com"},{"url":"http://www.securityfocus.com/bid/71934","source":"secalert@redhat.com"},{"url":"http://www.securitytracker.com/id/1033378","source":"secalert@redhat.com"},{"url":"https://bto.bluecoat.com/security-advisory/sa88","source":"secalert@redhat.com"},{"url":"https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commit%3Bh=392fa7a952e97d82eac6958c81ed1e256e6b8ca5","source":"secalert@redhat.com"},{"url":"https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commit%3Bh=6ce9687b5aba5391fc0de50e18779eb676d0e04d","source":"secalert@redhat.com"},{"url":"https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commit%3Bh=b82924741b4bd590da890619be671f4635e46c2b","source":"secalert@redhat.com"},{"url":"https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05150888","source":"secalert@redhat.com"},{"url":"https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05158380","source":"secalert@redhat.com"},{"url":"https://kc.mcafee.com/corporate/index?page=content&id=SB10102","source":"secalert@redhat.com"},{"url":"https://kc.mcafee.com/corporate/index?page=content&id=SB10108","source":"secalert@redhat.com"},{"url":"https://security-tracker.debian.org/tracker/CVE-2014-3569","source":"secalert@redhat.com"},{"url":"https://support.apple.com/HT204659","source":"secalert@redhat.com"},{"url":"https://support.citrix.com/article/CTX216642","source":"secalert@redhat.com"},{"url":"https://www.openssl.org/news/secadv_20150108.txt","source":"secalert@redhat.com"},{"url":"http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10679","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.apple.com/archives/security-announce/2015/Apr/msg00001.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2015-01/msg00021.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00026.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00011.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://marc.info/?l=bugtraq&m=142496179803395&w=2","source":"af85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BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}