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CVE
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CVE-2016-2178

Date: (C)2016-08-25   (M)2017-11-15
 
CVSS Score: 2.1Access Vector: LOCAL
Exploitability Subscore: 3.9Access Complexity: LOW
Impact Subscore: 2.9Authentication: NONE
 Confidentiality: PARTIAL
 Integrity: NONE
 Availability: NONE











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.

Reference:
SECTRACK-1036054
BID-91081
GLSA-201612-16
SUSE-SU-2016:2470
http://www.openwall.com/lists/oss-security/2016/06/08/2
http://www.openwall.com/lists/oss-security/2016/06/09/8
http://eprint.iacr.org/2016/594.pdf
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759
http://www-01.ibm.com/support/docview.wss?uid=swg21995039
http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html
http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html
http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html
http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html
http://www.splunk.com/view/SP-CAAAPSV
http://www.splunk.com/view/SP-CAAAPUE
https://bto.bluecoat.com/security-advisory/sa132
https://bugzilla.redhat.com/show_bug.cgi?id=1343400
https://git.openssl.org/?p=openssl.git;a=commit;h=399944622df7bd81af62e67ea967c470534090e2
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05302448
https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA40312
https://nodejs.org/en/blog/vulnerability/september-2016-security-releases/
https://www.openssl.org/news/vulnerabilities.html#y2017
https://www.tenable.com/security/tns-2016-16
https://www.tenable.com/security/tns-2016-20
https://www.tenable.com/security/tns-2016-21

CPE    29
cpe:/o:oracle:linux:7.0
cpe:/o:oracle:solaris:10
cpe:/o:oracle:linux:6.0
cpe:/a:openssl:openssl:1.0.1i
...
CWE    1
CWE-200
OVAL    14
oval:org.secpod.oval:def:35813
oval:org.secpod.oval:def:1501604
oval:org.secpod.oval:def:204094
oval:org.secpod.oval:def:204093
...

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