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CVE-2016-0704

Date: March 1, 2016

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.

Language: C

Severity Score

5.9

Related Resources (33)

Url: http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00007.html

Url: http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html

Url: http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00001.html

Url: http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00004.html

Url: http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00012.html

Url: https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA40168

Url: https://access.redhat.com/security/cve/CVE-2016-0704

Url: http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00010.html

Url: http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html

Url: https://security-tracker.debian.org/tracker/CVE-2016-0704

Url: http://openssl.org/news/secadv/20160301.txt

Url: http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759

Url: https://www.openssl.org/news/secadv/20160301.txt

Url: https://security.FreeBSD.org/advisories/FreeBSD-SA-16:12.openssl.asc

Url: https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03741en_us

Url: https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf

Url: http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160302-openssl

Url: http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00017.html

Url: http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00025.html

Url: http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00038.html

Url: http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html

Url: http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00002.html

Url: http://www.securityfocus.com/bid/83764

Url: http://www.securitytracker.com/id/1035133

Url: https://nvd.nist.gov/vuln/detail/CVE-2016-0704

Url: https://drownattack.com

Url: https://security.gentoo.org/glsa/201603-15

Url: http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00009.html

Url: http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00003.html

Url: http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00006.html

Url: https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=ae50d8270026edf5b3c7f8aaa0c6677462b33d97

Url: http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html

Url: https://www.mend.io/vulnerability-database/CVE-2016-0704

Severity Score

5.9

Weakness Type (CWE)

Exposure of Sensitive Information to an Unauthorized Actor

CWE-200

CVSS v3.1

Base Score:	5.9
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	HIGH
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	NONE
Availability (A):	NONE

CVSS v2

Base Score:	4.3
Access Vector (AV):	NETWORK
Access Complexity (AC):	MEDIUM
Authentication (AU):	NONE
Confidentiality (C):	PARTIAL
Integrity (I):	NONE
Availability (A):	NONE
Additional information:

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CVE-2016-0704

Date: March 1, 2016

Language: C

Severity Score

Related Resources (33)

Severity Score

Weakness Type (CWE)

CVSS v3.1

CVSS v2

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