CVE-2015-0205

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    CVE-2015-0205

    Published: 9 Jan 2015Last Modified: 16 Apr 2026

    Summary:

    Details: The ssl3_get_cert_verify function in s3_srvr.c in OpenSSL 1.0.0 before 1.0.0p and 1.0.1 before 1.0.1k accepts client authentication with a Diffie-Hellman (DH) certificate without requiring a CertificateVerify message, which allows remote attackers to obtain access without knowledge of a private key via crafted TLS Handshake Protocol traffic to a server that recognizes a Certification Authority with DH support.

    References: http://rhn.redhat.com/errata/RHSA-2015-0066.html, http://www.debian.org/security/2015/dsa-3125, http://www.mandriva.com/security/advisories?name=MDVSA-2015:019, http://www.mandriva.com/security/advisories?name=MDVSA-2015:062, http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html, http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html, https://bto.bluecoat.com/security-advisory/sa88, https://www.openssl.org/news/secadv_20150108.txt, https://github.com/openssl/openssl/commit/1421e0c584ae9120ca1b88098f13d6d2e90b83a3, http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10679, http://lists.fedoraproject.org/pipermail/package-announce/2015-January/147938.html, http://lists.fedoraproject.org/pipermail/package-announce/2015-January/148363.html, http://lists.opensuse.org/opensuse-security-announce/2015-01/msg00021.html, http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00027.html, http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00026.html, http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00037.html, http://marc.info/?l=bugtraq&m=142721102728110&w=2, http://marc.info/?l=bugtraq&m=143748090628601&w=2, http://marc.info/?l=bugtraq&m=144050155601375&w=2, http://marc.info/?l=bugtraq&m=144050205101530&w=2, http://marc.info/?l=bugtraq&m=144050254401665&w=2, http://marc.info/?l=bugtraq&m=144050297101809&w=2, http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20150310-ssl, http://www.oracle.com/technetwork/topics/security/bulletinjan2015-2370101.html, http://www.oracle.com/technetwork/topics/security/cpuapr2015-2365600.html, http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html, http://www.oracle.com/technetwork/topics/security/cpuoct2015-2367953.html, http://www.securityfocus.com/bid/71941, http://www.securityfocus.com/bid/91787, http://www.securitytracker.com/id/1033378, https://exchange.xforce.ibmcloud.com/vulnerabilities/99708, https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05150888, https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05158380, https://kc.mcafee.com/corporate/index?page=content&id=SB10102, https://kc.mcafee.com/corporate/index?page=content&id=SB10108, https://support.citrix.com/article/CTX216642

    Affected packages

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2015-0205 | CVE-DB