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CVE-2016-2178Date: (C)2016-08-25   (M)2018-11-17


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.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 5.5CVSS Score : 2.1
Exploit Score: 1.8Exploit Score: 3.9
Impact Score: 3.6Impact Score: 2.9
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: LOCALAccess Vector: LOCAL
Attack Complexity: LOWAccess Complexity: LOW
Privileges Required: LOWAuthentication: NONE
User Interaction: NONEConfidentiality: PARTIAL
Scope: UNCHANGEDIntegrity: NONE
Confidentiality: HIGHAvailability: NONE
Integrity: NONE 
Availability: NONE 
  
Reference:
SECTRACK-1036054
BID-91081
FreeBSD-SA-16:26
GLSA-201612-16
RHSA-2016:1940
RHSA-2016:2957
RHSA-2017:0193
RHSA-2017:0194
RHSA-2017:1658
RHSA-2017:1659
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/cpuapr2018-3678067.html
http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
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://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03856en_us
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    30
cpe:/o:oracle:linux:5
cpe:/a:openssl:openssl:1.0.1m
cpe:/a:openssl:openssl:1.0.1q
cpe:/a:openssl:openssl:1.0.1p
...
CWE    1
CWE-200
OVAL    15
oval:org.secpod.oval:def:1501604
oval:org.secpod.oval:def:37387
oval:org.secpod.oval:def:1501583
oval:org.secpod.oval:def:1501581
...

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