CVE-2016-2178
2.1 Low
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:L/AC:L/Au:N/C:P/I:N/A:N
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
6.2 Medium
AI Score
Confidence
High
0.0005 Low
EPSS
Percentile
17.2%
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.
Affected configurations
References
eprint.iacr.org/2016/594.pdf
kb.juniper.net/InfoCenter/index?page=content&id=JSA10759
lists.opensuse.org/opensuse-security-announce/2016-09/msg00022.html
lists.opensuse.org/opensuse-security-announce/2016-09/msg00023.html
lists.opensuse.org/opensuse-security-announce/2016-09/msg00024.html
lists.opensuse.org/opensuse-security-announce/2016-09/msg00031.html
lists.opensuse.org/opensuse-security-announce/2016-10/msg00005.html
lists.opensuse.org/opensuse-security-announce/2016-10/msg00011.html
lists.opensuse.org/opensuse-security-announce/2016-10/msg00012.html
lists.opensuse.org/opensuse-security-announce/2016-10/msg00013.html
lists.opensuse.org/opensuse-security-announce/2016-10/msg00021.html
lists.opensuse.org/opensuse-security-announce/2016-10/msg00029.html
lists.opensuse.org/opensuse-security-announce/2017-10/msg00010.html
lists.opensuse.org/opensuse-security-announce/2017-10/msg00011.html
lists.opensuse.org/opensuse-security-announce/2018-02/msg00032.html
rhn.redhat.com/errata/RHSA-2016-1940.html
rhn.redhat.com/errata/RHSA-2016-2957.html
rhn.redhat.com/errata/RHSA-2017-1659.html
seclists.org/fulldisclosure/2017/Jul/31
tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160927-openssl
www-01.ibm.com/support/docview.wss?uid=swg21995039
www.debian.org/security/2016/dsa-3673
www.huawei.com/en/psirt/security-advisories/huawei-sa-20170322-01-openssl-en
www.openwall.com/lists/oss-security/2016/06/08/10
www.openwall.com/lists/oss-security/2016/06/08/11
www.openwall.com/lists/oss-security/2016/06/08/12
www.openwall.com/lists/oss-security/2016/06/08/2
www.openwall.com/lists/oss-security/2016/06/08/4
www.openwall.com/lists/oss-security/2016/06/08/5
www.openwall.com/lists/oss-security/2016/06/08/6
www.openwall.com/lists/oss-security/2016/06/08/7
www.openwall.com/lists/oss-security/2016/06/08/8
www.openwall.com/lists/oss-security/2016/06/09/2
www.openwall.com/lists/oss-security/2016/06/09/8
www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html
www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html
www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html
www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html
www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html
www.securityfocus.com/bid/91081
www.securitytracker.com/id/1036054
www.splunk.com/view/SP-CAAAPSV
www.splunk.com/view/SP-CAAAPUE
www.ubuntu.com/usn/USN-3087-1
www.ubuntu.com/usn/USN-3087-2
access.redhat.com/errata/RHSA-2017:0193
access.redhat.com/errata/RHSA-2017:0194
access.redhat.com/errata/RHSA-2017:1658
bto.bluecoat.com/security-advisory/sa132
bugzilla.redhat.com/show_bug.cgi?id=1343400
cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=399944622df7bd81af62e67ea967c470534090e2
h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-c05302448
h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05302448
kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA40312
kc.mcafee.com/corporate/index?page=content&id=SB10215
nodejs.org/en/blog/vulnerability/september-2016-security-releases/
security.FreeBSD.org/advisories/FreeBSD-SA-16:26.openssl.asc
security.gentoo.org/glsa/201612-16
support.f5.com/csp/article/K53084033
support.hpe.com/hpsc/doc/public/display?docLocale=en&docId=emr_na-hpesbhf03856en_us
support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03856en_us
www.arista.com/en/support/advisories-notices/security-advisories/1749-security-advisory-24
www.tenable.com/security/tns-2016-16
www.tenable.com/security/tns-2016-20
www.tenable.com/security/tns-2016-21
Related
2.1 Low
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:L/AC:L/Au:N/C:P/I:N/A:N
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
6.2 Medium
AI Score
Confidence
High
0.0005 Low
EPSS
Percentile
17.2%