{"id":"CVE-2004-0079","details":"The do_change_cipher_spec function in OpenSSL 0.9.6c to 0.9.6k, and 0.9.7a to 0.9.7c, allows remote attackers to cause a denial of service (crash) via a crafted SSL/TLS handshake that triggers a null dereference.","modified":"2025-08-09T19:01:27Z","published":"2004-11-23T05:00:00Z","references":[{"type":"ADVISORY","url":"ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-04:05.openssl.asc"},{"type":"ADVISORY","url":"ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2004-005.txt.asc"},{"type":"ADVISORY","url":"http://fedoranews.org/updates/FEDORA-2004-095.shtml"},{"type":"ADVISORY","url":"http://secunia.com/advisories/11139"},{"type":"ADVISORY","url":"http://secunia.com/advisories/17381"},{"type":"ADVISORY","url":"http://secunia.com/advisories/17398"},{"type":"ADVISORY","url":"http://secunia.com/advisories/17401"},{"type":"ADVISORY","url":"http://secunia.com/advisories/18247"},{"type":"ADVISORY","url":"http://security.gentoo.org/glsa/glsa-200403-03.xml"},{"type":"ADVISORY","url":"http://support.avaya.com/elmodocs2/security/ASA-2005-239.htm"},{"type":"ADVISORY","url":"http://www.debian.org/security/2004/dsa-465"},{"type":"WEB","url":"http://www.kb.cert.org/vuls/id/288574"},{"type":"ADVISORY","url":"http://www.linuxsecurity.com/advisories/engarde_advisory-4135.html"},{"type":"ADVISORY","url":"http://www.mandriva.com/security/advisories?name=MDKSA-2004:023"},{"type":"ADVISORY","url":"http://www.novell.com/linux/security/advisories/2004_07_openssl.html"},{"type":"ADVISORY","url":"http://www.openssl.org/news/secadv_20040317.txt"},{"type":"WEB","url":"http://www.securityfocus.com/bid/9899"},{"type":"WEB","url":"http://www.us-cert.gov/cas/techalerts/TA04-078A.html"},{"type":"ADVISORY","url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/15505"},{"type":"ARTICLE","url":"http://lists.apple.com/archives/security-announce/2005//Aug/msg00001.html"},{"type":"ARTICLE","url":"http://lists.apple.com/archives/security-announce/2005/Aug/msg00000.html"},{"type":"ARTICLE","url":"http://marc.info/?l=bugtraq&m=107953412903636&w=2"},{"type":"ARTICLE","url":"http://marc.info/?l=bugtraq&m=108403806509920&w=2"},{"type":"ARTICLE","url":"http://www.redhat.com/archives/fedora-announce-list/2005-October/msg00087.html"},{"type":"WEB","url":"ftp://ftp.sco.com/pub/updates/OpenServer/SCOSA-2004.10/SCOSA-2004.10.txt"},{"type":"WEB","url":"http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000834"},{"type":"WEB","url":"http://docs.info.apple.com/article.html?artnum=61798"},{"type":"WEB","url":"http://lists.apple.com/mhonarc/security-announce/msg00045.html"},{"type":"WEB","url":"http://sunsolve.sun.com/pub-cgi/retrieve.pl?doc=fsalert/57524"},{"type":"WEB","url":"http://support.lexmark.com/index?page=content&id=TE88&locale=EN&userlocale=EN_US"},{"type":"WEB","url":"http://www.ciac.org/ciac/bulletins/o-101.shtml"},{"type":"WEB","url":"http://www.cisco.com/warp/public/707/cisco-sa-20040317-openssl.shtml"},{"type":"WEB","url":"http://www.redhat.com/support/errata/RHSA-2004-120.html"},{"type":"WEB","url":"http://www.redhat.com/support/errata/RHSA-2004-121.html"},{"type":"WEB","url":"http://www.redhat.com/support/errata/RHSA-2004-139.html"},{"type":"WEB","url":"http://www.redhat.com/support/errata/RHSA-2005-829.html"},{"type":"WEB","url":"http://www.redhat.com/support/errata/RHSA-2005-830.html"},{"type":"WEB","url":"http://www.slackware.org/security/viewer.php?l=slackware-security&y=2004&m=slackware-security.455961"},{"type":"WEB","url":"http://www.trustix.org/errata/2004/0012"},{"type":"WEB","url":"http://www.uniras.gov.uk/vuls/2004/224012/index.htm"},{"type":"WEB","url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2621"},{"type":"WEB","url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5770"},{"type":"WEB","url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A870"},{"type":"WEB","url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A975"},{"type":"WEB","url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9779"}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}