CVE-2016-0701

3.7 LOW
Published: February 15, 2016 Modified: May 06, 2026
View on NVD

Description

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://intothesymmetry.blogspot.com/2016/01/openssl-key-recovery-attack-on-dh-small.html
Source: secalert@redhat.com
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759
Source: secalert@redhat.com
http://lists.fedoraproject.org/pipermail/package-announce/2016-January/176373.html
Source: secalert@redhat.com
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00009.html
Source: secalert@redhat.com
http://www.openssl.org/news/secadv/20160128.txt
Source: secalert@redhat.com
Vendor Advisory
http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html
Source: secalert@redhat.com
http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
Source: secalert@redhat.com
http://www.securityfocus.com/bid/82233
Source: secalert@redhat.com
http://www.securityfocus.com/bid/91787
Source: secalert@redhat.com
http://www.securitytracker.com/id/1034849
Source: secalert@redhat.com
http://www.ubuntu.com/usn/USN-2883-1
Source: secalert@redhat.com
https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
Source: secalert@redhat.com
https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=878e2c5b13010329c203f309ed0c8f2113f85648
Source: secalert@redhat.com
https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=c5b831f21d0d29d1e517d139d9d101763f60c9a2
Source: secalert@redhat.com
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03724en_us
Source: secalert@redhat.com
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05164821
Source: secalert@redhat.com
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390893
Source: secalert@redhat.com
https://security.gentoo.org/glsa/201601-05
Source: secalert@redhat.com
https://www.kb.cert.org/vuls/id/257823
Source: secalert@redhat.com
https://www.oracle.com/security-alerts/cpuapr2020.html
Source: secalert@redhat.com
https://www.oracle.com/security-alerts/cpujan2020.html
Source: secalert@redhat.com
https://www.oracle.com/security-alerts/cpujul2020.html
Source: secalert@redhat.com
https://www.oracle.com/security-alerts/cpuoct2020.html
Source: secalert@redhat.com
https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html
Source: secalert@redhat.com
http://intothesymmetry.blogspot.com/2016/01/openssl-key-recovery-attack-on-dh-small.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759
Source: af854a3a-2127-422b-91ae-364da2661108
http://lists.fedoraproject.org/pipermail/package-announce/2016-January/176373.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00009.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.openssl.org/news/secadv/20160128.txt
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/bid/82233
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/bid/91787
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securitytracker.com/id/1034849
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-2883-1
Source: af854a3a-2127-422b-91ae-364da2661108
https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
Source: af854a3a-2127-422b-91ae-364da2661108
https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=878e2c5b13010329c203f309ed0c8f2113f85648
Source: af854a3a-2127-422b-91ae-364da2661108
https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=c5b831f21d0d29d1e517d139d9d101763f60c9a2
Source: af854a3a-2127-422b-91ae-364da2661108
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03724en_us
Source: af854a3a-2127-422b-91ae-364da2661108
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05164821
Source: af854a3a-2127-422b-91ae-364da2661108
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390893
Source: af854a3a-2127-422b-91ae-364da2661108
https://security.gentoo.org/glsa/201601-05
Source: af854a3a-2127-422b-91ae-364da2661108
https://www.kb.cert.org/vuls/id/257823
Source: af854a3a-2127-422b-91ae-364da2661108
https://www.oracle.com/security-alerts/cpuapr2020.html
Source: af854a3a-2127-422b-91ae-364da2661108
https://www.oracle.com/security-alerts/cpujan2020.html
Source: af854a3a-2127-422b-91ae-364da2661108
https://www.oracle.com/security-alerts/cpujul2020.html
Source: af854a3a-2127-422b-91ae-364da2661108
https://www.oracle.com/security-alerts/cpuoct2020.html
Source: af854a3a-2127-422b-91ae-364da2661108
https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html
Source: af854a3a-2127-422b-91ae-364da2661108

48 reference(s) from NVD

Quick Stats

CVSS v3 Score
3.7 / 10.0
EPSS (Exploit Probability)
83.6%
100th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-200

Affected Vendors

openssl

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