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
02 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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 83.64% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 99.6% of scored records. A rank, not a probability.
- NVD base score
- 3.7 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2016-02-15 00:00Z10 YR AGO
- Last updated
- 2024-08-05 22:30Z2 YR AGO
- Reserved
- 2015-12-16
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-200Exposure of Sensitive Information to an Unauthorized ActorClass
- Data version
- 5.1
- Document digest
- 368c04cc96e9bfad4aaccde2f2d4d51aede1caafe0750021da44695683a287e1
05 Affected products
06 References
- lists.fedoraproject.orgFEDORA-2016-527018d2ffhttp://lists.fedoraproject.org/pipermail/package-announce/2016-January/176373.html
- www.securitytracker.com1034849http://www.securitytracker.com/id/1034849
- security.gentoo.orgGLSA-201601-05https://security.gentoo.org/glsa/201601-05
- www.securityfocus.com82233http://www.securityfocus.com/bid/82233
- www.securityfocus.com91787http://www.securityfocus.com/bid/91787
- www.kb.cert.orgVU#257823https://www.kb.cert.org/vuls/id/257823
- lists.opensuse.orgopenSUSE-SU-2016:0637http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00009.html
- www.ubuntu.comUSN-2883-1http://www.ubuntu.com/usn/USN-2883-1
- www.oracle.comhttps://www.oracle.com/security-alerts/cpuapr2020.html
- www.oracle.comhttps://www.oracle.com/security-alerts/cpujul2020.html
- www.oracle.comhttps://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html
- www.oracle.comhttps://www.oracle.com/security-alerts/cpujan2020.html
- www.oracle.comhttp://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html
- git.openssl.orghttps://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=c5b831f21d0d29d1e517d139d9d101763f60c9a2
- git.openssl.orghttps://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=878e2c5b13010329c203f309ed0c8f2113f85648
- h20566.www2.hpe.comhttps://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05164821
- www.openssl.orghttp://www.openssl.org/news/secadv/20160128.txt
- www.oracle.comhttp://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
- h20566.www2.hpe.comhttps://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390893
- intothesymmetry.blogspot.comhttp://intothesymmetry.blogspot.com/2016/01/openssl-key-recovery-attack-on-dh-small.html
- h20566.www2.hpe.comhttps://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03724en_us
- kb.juniper.nethttp://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759
- www.oracle.comhttps://www.oracle.com/security-alerts/cpuoct2020.html
- cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
07 Fixed in
Debian 12
- openssl Fixed in 1.0.2f-2
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- openssl Fixed in 1.0.2f-2
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- openssl Fixed in 1.0.2f-2
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.