CVE-2016-2178

5.5 MEDIUM
Published: June 20, 2016 Modified: May 06, 2026
View on NVD

Description

The dsa_sign_setup function in crypto/dsa/dsa_ossl.c in OpenSSL through 1.0.2h does not properly ensure the use of constant-time operations, which makes it easier for local users to discover a DSA private key via a timing side-channel attack.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://eprint.iacr.org/2016/594.pdf
Source: secalert@redhat.com
Technical Description Third Party Advisory
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759
Source: secalert@redhat.com
Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00022.html
Source: secalert@redhat.com
Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00023.html
Source: secalert@redhat.com
Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00024.html
Source: secalert@redhat.com
Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00031.html
Source: secalert@redhat.com
Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00005.html
Source: secalert@redhat.com
Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00011.html
Source: secalert@redhat.com
Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00012.html
Source: secalert@redhat.com
Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00013.html
Source: secalert@redhat.com
Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00021.html
Source: secalert@redhat.com
Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00029.html
Source: secalert@redhat.com
Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00010.html
Source: secalert@redhat.com
Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00011.html
Source: secalert@redhat.com
Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2018-02/msg00032.html
Source: secalert@redhat.com
Mailing List Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1940.html
Source: secalert@redhat.com
Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-2957.html
Source: secalert@redhat.com
Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2017-1659.html
Source: secalert@redhat.com
Third Party Advisory
http://seclists.org/fulldisclosure/2017/Jul/31
Source: secalert@redhat.com
Mailing List Third Party Advisory
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160927-openssl
Source: secalert@redhat.com
Third Party Advisory
http://www-01.ibm.com/support/docview.wss?uid=swg21995039
Source: secalert@redhat.com
Third Party Advisory
http://www.debian.org/security/2016/dsa-3673
Source: secalert@redhat.com
Third Party Advisory
http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20170322-01-openssl-en
Source: secalert@redhat.com
Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/06/08/10
Source: secalert@redhat.com
Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/06/08/11
Source: secalert@redhat.com
Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/06/08/12
Source: secalert@redhat.com
Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/06/08/2
Source: secalert@redhat.com
Mailing List Patch Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/06/08/4
Source: secalert@redhat.com
Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/06/08/5
Source: secalert@redhat.com
Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/06/08/6
Source: secalert@redhat.com
Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/06/08/7
Source: secalert@redhat.com
Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/06/08/8
Source: secalert@redhat.com
Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/06/09/2
Source: secalert@redhat.com
Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/06/09/8
Source: secalert@redhat.com
Mailing List Third Party Advisory
http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html
Source: secalert@redhat.com
Patch Third Party Advisory
http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
Source: secalert@redhat.com
Patch Third Party Advisory
http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html
Source: secalert@redhat.com
Patch Third Party Advisory
http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html
Source: secalert@redhat.com
Patch Third Party Advisory
http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
Source: secalert@redhat.com
Patch Third Party Advisory
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
Source: secalert@redhat.com
Third Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html
Source: secalert@redhat.com
Third Party Advisory
http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html
Source: secalert@redhat.com
Third Party Advisory
http://www.securityfocus.com/bid/91081
Source: secalert@redhat.com
Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1036054
Source: secalert@redhat.com
Third Party Advisory VDB Entry
http://www.splunk.com/view/SP-CAAAPSV
Source: secalert@redhat.com
Third Party Advisory
http://www.splunk.com/view/SP-CAAAPUE
Source: secalert@redhat.com
Third Party Advisory
http://www.ubuntu.com/usn/USN-3087-1
Source: secalert@redhat.com
Third Party Advisory
http://www.ubuntu.com/usn/USN-3087-2
Source: secalert@redhat.com
Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:0193
Source: secalert@redhat.com
Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:0194
Source: secalert@redhat.com
Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:1658
Source: secalert@redhat.com
Third Party Advisory
https://bto.bluecoat.com/security-advisory/sa132
Source: secalert@redhat.com
Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1343400
Source: secalert@redhat.com
Issue Tracking Patch
https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
Source: secalert@redhat.com
https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=399944622df7bd81af62e67ea967c470534090e2
Source: secalert@redhat.com
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-c05302448
Source: secalert@redhat.com
Third Party Advisory
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05302448
Source: secalert@redhat.com
Third Party Advisory
https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA40312
Source: secalert@redhat.com
Third Party Advisory
https://kc.mcafee.com/corporate/index?page=content&id=SB10215
Source: secalert@redhat.com
Third Party Advisory
https://nodejs.org/en/blog/vulnerability/september-2016-security-releases/
Source: secalert@redhat.com
Third Party Advisory
https://security.FreeBSD.org/advisories/FreeBSD-SA-16:26.openssl.asc
Source: secalert@redhat.com
Third Party Advisory
https://security.gentoo.org/glsa/201612-16
Source: secalert@redhat.com
Third Party Advisory VDB Entry
https://support.f5.com/csp/article/K53084033
Source: secalert@redhat.com
Third Party Advisory
https://support.hpe.com/hpsc/doc/public/display?docLocale=en&docId=emr_na-hpesbhf03856en_us
Source: secalert@redhat.com
Third Party Advisory
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03856en_us
Source: secalert@redhat.com
Third Party Advisory
https://www.arista.com/en/support/advisories-notices/security-advisories/1749-security-advisory-24
Source: secalert@redhat.com
Third Party Advisory
https://www.tenable.com/security/tns-2016-16
Source: secalert@redhat.com
Third Party Advisory
https://www.tenable.com/security/tns-2016-20
Source: secalert@redhat.com
Third Party Advisory
https://www.tenable.com/security/tns-2016-21
Source: secalert@redhat.com
Third Party Advisory
http://eprint.iacr.org/2016/594.pdf
Source: af854a3a-2127-422b-91ae-364da2661108
Technical Description Third Party Advisory
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00022.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00023.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00024.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00031.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00005.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00011.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00012.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00013.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00021.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00029.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00010.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00011.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2018-02/msg00032.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1940.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-2957.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2017-1659.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://seclists.org/fulldisclosure/2017/Jul/31
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160927-openssl
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www-01.ibm.com/support/docview.wss?uid=swg21995039
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.debian.org/security/2016/dsa-3673
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20170322-01-openssl-en
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/06/08/10
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/06/08/11
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/06/08/12
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/06/08/2
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Patch Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/06/08/4
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/06/08/5
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/06/08/6
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/06/08/7
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/06/08/8
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/06/09/2
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/06/09/8
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Third Party Advisory
http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Third Party Advisory
http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Third Party Advisory
http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Third Party Advisory
http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Third Party Advisory
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.securityfocus.com/bid/91081
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1036054
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
http://www.splunk.com/view/SP-CAAAPSV
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.splunk.com/view/SP-CAAAPUE
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.ubuntu.com/usn/USN-3087-1
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.ubuntu.com/usn/USN-3087-2
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:0193
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:0194
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:1658
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://bto.bluecoat.com/security-advisory/sa132
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1343400
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking Patch
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=399944622df7bd81af62e67ea967c470534090e2
Source: af854a3a-2127-422b-91ae-364da2661108
https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-c05302448
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05302448
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA40312
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://kc.mcafee.com/corporate/index?page=content&id=SB10215
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://nodejs.org/en/blog/vulnerability/september-2016-security-releases/
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://security.FreeBSD.org/advisories/FreeBSD-SA-16:26.openssl.asc
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://security.gentoo.org/glsa/201612-16
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
https://support.f5.com/csp/article/K53084033
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://support.hpe.com/hpsc/doc/public/display?docLocale=en&docId=emr_na-hpesbhf03856en_us
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03856en_us
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://www.arista.com/en/support/advisories-notices/security-advisories/1749-security-advisory-24
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://www.tenable.com/security/tns-2016-16
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://www.tenable.com/security/tns-2016-20
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://www.tenable.com/security/tns-2016-21
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory

138 reference(s) from NVD

Quick Stats

CVSS v3 Score
5.5 / 10.0
EPSS (Exploit Probability)
0.2%
45th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-203

Affected Vendors

openssl debian suse canonical nodejs oracle

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