CVE-2016-2178
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.
Key facts
- CVSS score
- 5.5 (v3.1)
- Severity
- MEDIUM
- CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N- Weakness (CWE)
- CWE-203
- EPSS score
- 1.2% (69th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2016-3263)
- Published
- June 20, 2016
- NVD last modified
- June 17, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2016-3263 in the EU Vulnerability Database. Last updated in EUVD on August 5, 2024.
View on the EU Vulnerability DatabaseAffected products
- canonical / ubuntu linux
- canonical / ubuntu linux
- canonical / ubuntu linux
- debian / debian linux
- nodejs / node.js
- nodejs / node.js
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- openssl / openssl
- oracle / linux
- oracle / linux
- oracle / linux
- oracle / solaris
- oracle / solaris
- suse / linux enterprise
Certified products that may be affected
29 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.
- Oracle Linux 7 NSS Cryptographic Module - Oracle Corporation - FIPS 140 4586 - historical
- Oracle Linux 7 Libreswan Cryptographic Module - Oracle Corporation - FIPS 140 4266 - historical
- Oracle Linux 7 OpenSSH Client Cryptographic Module - Oracle Corporation - FIPS 140 4206 - historical
- Oracle Linux 7 OpenSSH Server Cryptographic Module - Oracle Corporation - FIPS 140 4176 - historical
- Oracle Linux 7 Unbreakable Enterprise Kernel (UEK 6) Cryptographic Module - Oracle Corporation - FIPS 140 4169 - historical
See all 29 in the Security Certifications Explorer.
References
- http://eprint.iacr.org/2016/594.pdf(Technical Description, Third Party Advisory)
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759(Third Party Advisory)
- http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00022.html(Mailing List, Third Party Advisory)
- http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00023.html(Mailing List, Third Party Advisory)
- http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00024.html(Mailing List, Third Party Advisory)
- http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00031.html(Mailing List, Third Party Advisory)
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00005.html(Mailing List, Third Party Advisory)
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00011.html(Mailing List, Third Party Advisory)
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00012.html(Mailing List, Third Party Advisory)
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00013.html(Third Party Advisory)
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00021.html(Mailing List, Third Party Advisory)
- http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00029.html(Mailing List, Third Party Advisory)
- http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00010.html(Mailing List, Third Party Advisory)
- http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00011.html(Mailing List, Third Party Advisory)
- http://lists.opensuse.org/opensuse-security-announce/2018-02/msg00032.html(Mailing List, Third Party Advisory)
- http://rhn.redhat.com/errata/RHSA-2016-1940.html(Third Party Advisory)
- http://rhn.redhat.com/errata/RHSA-2016-2957.html(Third Party Advisory)
- http://rhn.redhat.com/errata/RHSA-2017-1659.html(Third Party Advisory)
- http://seclists.org/fulldisclosure/2017/Jul/31(Mailing List, Third Party Advisory)
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160927-openssl(Third Party Advisory)
- http://www-01.ibm.com/support/docview.wss?uid=swg21995039(Third Party Advisory)
- http://www.debian.org/security/2016/dsa-3673(Third Party Advisory)
- http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20170322-01-openssl-en(Third Party Advisory)
- http://www.openwall.com/lists/oss-security/2016/06/08/10(Mailing List, Third Party Advisory)
- http://www.openwall.com/lists/oss-security/2016/06/08/11(Mailing List, Third Party Advisory)
- http://www.openwall.com/lists/oss-security/2016/06/08/12(Mailing List, Third Party Advisory)
- http://www.openwall.com/lists/oss-security/2016/06/08/2(Mailing List, Patch, Third Party Advisory)
- http://www.openwall.com/lists/oss-security/2016/06/08/4(Mailing List, Third Party Advisory)
- http://www.openwall.com/lists/oss-security/2016/06/08/5(Mailing List, Third Party Advisory)
- http://www.openwall.com/lists/oss-security/2016/06/08/6(Mailing List, Third Party Advisory)
- http://www.openwall.com/lists/oss-security/2016/06/08/7(Mailing List, Third Party Advisory)
- http://www.openwall.com/lists/oss-security/2016/06/08/8(Mailing List, Third Party Advisory)
- http://www.openwall.com/lists/oss-security/2016/06/09/2(Mailing List, Third Party Advisory)
- http://www.openwall.com/lists/oss-security/2016/06/09/8(Mailing List, Third Party Advisory)
- http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html(Patch, Third Party Advisory)
- http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html(Patch, Third Party Advisory)
- http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html(Patch, Third Party Advisory)
- http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html(Patch, Third Party Advisory)
- http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html(Patch, Third Party Advisory)
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html(Third Party Advisory)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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