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Vulnerability Details : CVE-2016-0701

The DH_check_pub_key function in crypto/dh/dh_check.c in OpenSSL 1.0.2 before 1.0.2f does not ensure that prime numbers are appropriate for Diffie-Hellman (DH) key exchange, which makes it easier for remote attackers to discover a private DH exponent by making multiple handshakes with a peer that chose an inappropriate number, as demonstrated by a number in an X9.42 file.
Publish Date : 2016-02-14 Last Update Date : 2017-12-12
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- CVSS Scores & Vulnerability Types

CVSS Score
2.6
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact None (There is no impact to the availability of the system.)
Access Complexity High (Specialized access conditions exist. It is hard to exploit and several special conditions must be satisfied to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Obtain Information
CWE ID 200

- Products Affected By CVE-2016-0701

# Product Type Vendor Product Version Update Edition Language
1 Application Openssl Openssl 1.0.2b Version Details Vulnerabilities
2 Application Openssl Openssl 1.0.2 Version Details Vulnerabilities
3 Application Openssl Openssl 1.0.2c Version Details Vulnerabilities
4 Application Openssl Openssl 1.0.2 Beta1 Version Details Vulnerabilities
5 Application Openssl Openssl 1.0.2d Version Details Vulnerabilities
6 Application Openssl Openssl 1.0.2 Beta2 Version Details Vulnerabilities
7 Application Openssl Openssl 1.0.2e Version Details Vulnerabilities
8 Application Openssl Openssl 1.0.2 Beta3 Version Details Vulnerabilities
9 Application Openssl Openssl 1.0.2a Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Openssl Openssl 9

- References For CVE-2016-0701

https://www.kb.cert.org/vuls/id/257823
CERT-VN VU#257823
https://git.openssl.org/?p=openssl.git;a=commit;h=c5b831f21d0d29d1e517d139d9d101763f60c9a2 CONFIRM
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05164821 CONFIRM
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03724en_us CONFIRM
https://git.openssl.org/?p=openssl.git;a=commit;h=878e2c5b13010329c203f309ed0c8f2113f85648 CONFIRM
https://security.gentoo.org/glsa/201601-05
GENTOO GLSA-201601-05
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759 CONFIRM
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390893 CONFIRM
http://www.securitytracker.com/id/1034849
SECTRACK 1034849
http://www.securityfocus.com/bid/91787
BID 91787 Oracle July 2016 Critical Patch Update Multiple Vulnerabilities Release Date:2018-10-15
http://www.securityfocus.com/bid/82233
BID 82233 OpenSSL CVE-2016-0701 Security Bypass Vulnerability Release Date:2016-11-23
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00009.html
SUSE openSUSE-SU-2016:0637
http://www.openssl.org/news/secadv/20160128.txt CONFIRM
http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html CONFIRM
http://intothesymmetry.blogspot.com/2016/01/openssl-key-recovery-attack-on-dh-small.html
http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html CONFIRM
http://lists.fedoraproject.org/pipermail/package-announce/2016-January/176373.html
FEDORA FEDORA-2016-527018d2ff
http://www.ubuntu.com/usn/USN-2883-1
UBUNTU USN-2883-1

- Metasploit Modules Related To CVE-2016-0701

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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