CVE-2016-0704

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    CVE-2016-0704

    Published: 2 Mar 2016Last Modified: 8 Jul 2026

    Summary:

    Details: An oracle protection mechanism in the get_client_master_key function in s2_srvr.c in the SSLv2 implementation in OpenSSL before 0.9.8zf, 1.0.0 before 1.0.0r, 1.0.1 before 1.0.1m, and 1.0.2 before 1.0.2a overwrites incorrect MASTER-KEY bytes during use of export cipher suites, which makes it easier for remote attackers to decrypt TLS ciphertext data by leveraging a Bleichenbacher RSA padding oracle, a related issue to CVE-2016-0800.

    References: http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759, http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00001.html, http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00002.html, http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00003.html, http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00004.html, http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00006.html, http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00007.html, http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00009.html, http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00010.html, http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00012.html, http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00017.html, http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00025.html, http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00038.html, http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160302-openssl, http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html, http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html, http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html, http://www.securityfocus.com/bid/83764, http://www.securitytracker.com/id/1035133, https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf, https://drownattack.com, https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=ae50d8270026edf5b3c7f8aaa0c6677462b33d97, https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03741en_us, https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA40168, https://www.openssl.org/news/secadv/20160301.txt, http://openssl.org/news/secadv/20160301.txt, http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html, https://security.FreeBSD.org/advisories/FreeBSD-SA-16:12.openssl.asc, https://security.gentoo.org/glsa/201603-15

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    1.0.0
    1.0.0-beta1
    1.0.0-beta2
    1.0.0-beta3
    1.0.0-beta4
    1.0.0-beta5
    1.0.1
    1.0.1-beta1
    1.0.1-beta2
    1.0.1-beta3
    1.0.2
    1.0.2-beta1
    1.0.2-beta2
    1.0.2-beta3

    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-2016-0704 | CVE-DB