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TI-2016-01988 Aliases CVE-2016-2178GHSA-jhj7-8r7j-mjxf

The dsa_sign_setup function in crypto/dsa/dsa_ossl.c in OpenSSL through 1.0.2h does not…

Priority LOW 27CWE-203Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
Partial Red Hat: 22 fixed, 6 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-203.

Summary

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.

Why it matters now

EPSS 0.01242 69th percentileScored 2026-11-07
Fix Partial Red Hat: 6 advisoriesRed Hat: 22 fixed, 6 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 43

CPEVersionsRoleVendor
cpe:2.3:a:openssl:openssl:1.0.1:*:*:*:*:*:*:*1.0.1VulnerableOpenSSL
cpe:2.3:a:openssl:openssl:1.0.1a:*:*:*:*:*:*:*1.0.1aVulnerableOpenSSL
cpe:2.3:a:openssl:openssl:1.0.1b:*:*:*:*:*:*:*1.0.1bVulnerableOpenSSL
cpe:2.3:a:openssl:openssl:1.0.1c:*:*:*:*:*:*:*1.0.1cVulnerableOpenSSL
cpe:2.3:a:openssl:openssl:1.0.1d:*:*:*:*:*:*:*1.0.1dVulnerableOpenSSL
cpe:2.3:a:openssl:openssl:1.0.1e:*:*:*:*:*:*:*1.0.1eVulnerableOpenSSL
cpe:2.3:a:openssl:openssl:1.0.1f:*:*:*:*:*:*:*1.0.1fVulnerableOpenSSL
cpe:2.3:a:openssl:openssl:1.0.1g:*:*:*:*:*:*:*1.0.1gVulnerableOpenSSL
cpe:2.3:a:openssl:openssl:1.0.1h:*:*:*:*:*:*:*1.0.1hVulnerableOpenSSL
cpe:2.3:a:openssl:openssl:1.0.1i:*:*:*:*:*:*:*1.0.1iVulnerableOpenSSL
  • cpe:2.3:a:openssl:openssl:1.0.1:*:*:*:*:*:*:* Versions 1.0.1 Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:1.0.1a:*:*:*:*:*:*:* Versions 1.0.1a Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:1.0.1b:*:*:*:*:*:*:* Versions 1.0.1b Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:1.0.1c:*:*:*:*:*:*:* Versions 1.0.1c Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:1.0.1d:*:*:*:*:*:*:* Versions 1.0.1d Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:1.0.1e:*:*:*:*:*:*:* Versions 1.0.1e Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:1.0.1f:*:*:*:*:*:*:* Versions 1.0.1f Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:1.0.1g:*:*:*:*:*:*:* Versions 1.0.1g Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:1.0.1h:*:*:*:*:*:*:* Versions 1.0.1h Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:1.0.1i:*:*:*:*:*:*:* Versions 1.0.1i Vulnerable ·OpenSSL
Show 33 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:openssl:openssl:1.0.1j:*:*:*:*:*:*:*1.0.1jVulnerableOpenSSL
cpe:2.3:a:openssl:openssl:1.0.1k:*:*:*:*:*:*:*1.0.1kVulnerableOpenSSL
cpe:2.3:a:openssl:openssl:1.0.1l:*:*:*:*:*:*:*1.0.1lVulnerableOpenSSL
cpe:2.3:a:openssl:openssl:1.0.1m:*:*:*:*:*:*:*1.0.1mVulnerableOpenSSL
cpe:2.3:a:openssl:openssl:1.0.1n:*:*:*:*:*:*:*1.0.1nVulnerableOpenSSL
cpe:2.3:a:openssl:openssl:1.0.1o:*:*:*:*:*:*:*1.0.1oVulnerableOpenSSL
cpe:2.3:a:openssl:openssl:1.0.1p:*:*:*:*:*:*:*1.0.1pVulnerableOpenSSL
cpe:2.3:a:openssl:openssl:1.0.1q:*:*:*:*:*:*:*1.0.1qVulnerableOpenSSL
cpe:2.3:a:openssl:openssl:1.0.1r:*:*:*:*:*:*:*1.0.1rVulnerableOpenSSL
cpe:2.3:a:openssl:openssl:1.0.1s:*:*:*:*:*:*:*1.0.1sVulnerableOpenSSL
cpe:2.3:a:openssl:openssl:1.0.1t:*:*:*:*:*:*:*1.0.1tVulnerableOpenSSL
cpe:2.3:a:openssl:openssl:1.0.2:*:*:*:*:*:*:*1.0.2VulnerableOpenSSL
cpe:2.3:a:openssl:openssl:1.0.2a:*:*:*:*:*:*:*1.0.2aVulnerableOpenSSL
cpe:2.3:a:openssl:openssl:1.0.2b:*:*:*:*:*:*:*1.0.2bVulnerableOpenSSL
cpe:2.3:a:openssl:openssl:1.0.2c:*:*:*:*:*:*:*1.0.2cVulnerableOpenSSL
cpe:2.3:a:openssl:openssl:1.0.2d:*:*:*:*:*:*:*1.0.2dVulnerableOpenSSL
cpe:2.3:a:openssl:openssl:1.0.2e:*:*:*:*:*:*:*1.0.2eVulnerableOpenSSL
cpe:2.3:a:openssl:openssl:1.0.2f:*:*:*:*:*:*:*1.0.2fVulnerableOpenSSL
cpe:2.3:a:openssl:openssl:1.0.2g:*:*:*:*:*:*:*1.0.2gVulnerableOpenSSL
cpe:2.3:a:openssl:openssl:1.0.2h:*:*:*:*:*:*:*1.0.2hVulnerableOpenSSL
cpe:2.3:o:oracle:linux:5:*:*:*:*:*:*:*5VulnerableOracle
cpe:2.3:o:oracle:linux:6:*:*:*:*:*:*:*6VulnerableOracle
cpe:2.3:o:oracle:linux:7:*:*:*:*:*:*:*7VulnerableOracle
cpe:2.3:o:oracle:solaris:10:*:*:*:*:*:*:*10VulnerableOracle
cpe:2.3:o:oracle:solaris:11.3:*:*:*:*:*:*:*11.3VulnerableOracle
cpe:2.3:o:suse:linux_enterprise:12.0:*:*:*:*:*:*:*12.0VulnerableSUSE
cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:*0.10.0 to before 0.10.47; 0.12.0 to before 0.12.16; 4.0.0 – 4.1.2VulnerableNodeJS
cpe:2.3:a:nodejs:node.js:*:*:*:*:lts:*:*:*4.2.0 to before 4.6.0VulnerableNodeJS
cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:*5.0.0 to before 6.7.0VulnerableNodeJS
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*8.0VulnerableDebian
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:*12.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*14.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*16.04VulnerableCanonical
  • cpe:2.3:a:openssl:openssl:1.0.1j:*:*:*:*:*:*:* Versions 1.0.1j Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:1.0.1k:*:*:*:*:*:*:* Versions 1.0.1k Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:1.0.1l:*:*:*:*:*:*:* Versions 1.0.1l Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:1.0.1m:*:*:*:*:*:*:* Versions 1.0.1m Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:1.0.1n:*:*:*:*:*:*:* Versions 1.0.1n Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:1.0.1o:*:*:*:*:*:*:* Versions 1.0.1o Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:1.0.1p:*:*:*:*:*:*:* Versions 1.0.1p Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:1.0.1q:*:*:*:*:*:*:* Versions 1.0.1q Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:1.0.1r:*:*:*:*:*:*:* Versions 1.0.1r Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:1.0.1s:*:*:*:*:*:*:* Versions 1.0.1s Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:1.0.1t:*:*:*:*:*:*:* Versions 1.0.1t Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:1.0.2:*:*:*:*:*:*:* Versions 1.0.2 Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:1.0.2a:*:*:*:*:*:*:* Versions 1.0.2a Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:1.0.2b:*:*:*:*:*:*:* Versions 1.0.2b Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:1.0.2c:*:*:*:*:*:*:* Versions 1.0.2c Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:1.0.2d:*:*:*:*:*:*:* Versions 1.0.2d Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:1.0.2e:*:*:*:*:*:*:* Versions 1.0.2e Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:1.0.2f:*:*:*:*:*:*:* Versions 1.0.2f Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:1.0.2g:*:*:*:*:*:*:* Versions 1.0.2g Vulnerable ·OpenSSL
  • cpe:2.3:a:openssl:openssl:1.0.2h:*:*:*:*:*:*:* Versions 1.0.2h Vulnerable ·OpenSSL
  • cpe:2.3:o:oracle:linux:5:*:*:*:*:*:*:* Versions 5 Vulnerable ·Oracle
  • cpe:2.3:o:oracle:linux:6:*:*:*:*:*:*:* Versions 6 Vulnerable ·Oracle
  • cpe:2.3:o:oracle:linux:7:*:*:*:*:*:*:* Versions 7 Vulnerable ·Oracle
  • cpe:2.3:o:oracle:solaris:10:*:*:*:*:*:*:* Versions 10 Vulnerable ·Oracle
  • cpe:2.3:o:oracle:solaris:11.3:*:*:*:*:*:*:* Versions 11.3 Vulnerable ·Oracle
  • cpe:2.3:o:suse:linux_enterprise:12.0:*:*:*:*:*:*:* Versions 12.0 Vulnerable ·SUSE
  • cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:* Versions 0.10.0 to before 0.10.47; 0.12.0 to before 0.12.16; 4.0.0 – 4.1.2 Vulnerable ·NodeJS
  • cpe:2.3:a:nodejs:node.js:*:*:*:*:lts:*:*:* Versions 4.2.0 to before 4.6.0 Vulnerable ·NodeJS
  • cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:* Versions 5.0.0 to before 6.7.0 Vulnerable ·NodeJS
  • cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian
  • cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:* Versions 12.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:* Versions 14.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:* Versions 16.04 Vulnerable ·Canonical

Remediation

Red Hat 6 advisories

  • RHSA-2017:1658 Released 2017-06-28 · Red Hat rating Important
    Red Hat JBoss Enterprise Application Platform 6.4.16 natives update
    • Red Hat JBoss Enterprise Application Platform 6.4 for RHEL 6 Server jbcs-httpd24-openssl-1:1.0.2h-13.jbcs.el6, jbcs-httpd24-openssl-devel-1:1.0.2h-13.jbcs.el6, jbcs-httpd24-openssl-libs-1:1.0.2h-13.jbcs.el6 +2
    • Red Hat JBoss Enterprise Application Platform 6.4 for RHEL 7 Server jbcs-httpd24-openssl-1:1.0.2h-13.jbcs.el7, jbcs-httpd24-openssl-devel-1:1.0.2h-13.jbcs.el7, jbcs-httpd24-openssl-libs-1:1.0.2h-13.jbcs.el7 +2
  • RHSA-2017:1659 Released 2017-06-28 · Red Hat rating Important
    Red Hat JBoss Enterprise Application Platform 6.4.16 natives update
    • Red Hat JBoss Enterprise Application Platform 6.4
  • RHSA-2017:0193 Released 2017-01-25 · Red Hat rating Important
    Red Hat JBoss Core Services Apache HTTP Server 2.4.23 Release on RHEL 6
    • Red Hat JBoss Core Services on RHEL 6 Server jbcs-httpd24-httpd-2.4.23-102.jbcs.el6, jbcs-httpd24-httpd-devel-2.4.23-102.jbcs.el6, jbcs-httpd24-httpd-manual-2.4.23-102.jbcs.el6 +27
Show 3 more Red Hat advisories
  • RHSA-2017:0194 Released 2017-01-25 · Red Hat rating Important
    Red Hat JBoss Core Services Apache HTTP Server 2.4.23 Release on RHEL 7
    • Red Hat JBoss Core Services on RHEL 7 Server jbcs-httpd24-httpd-2.4.23-102.jbcs.el7, jbcs-httpd24-httpd-devel-2.4.23-102.jbcs.el7, jbcs-httpd24-httpd-manual-2.4.23-102.jbcs.el7 +25
  • RHSA-2016:2957 Released 2016-12-15 · Red Hat rating Important
    Red Hat JBoss Core Services Apache HTTP 2.4.23 Release
    • Red Hat JBoss Core Services
  • RHSA-2016:1940 Released 2016-09-27 · Red Hat rating Important
    openssl security update
    • Red Hat Enterprise Linux Client (v. 7) openssl-1:1.0.1e-51.el7_2.7, openssl-libs-1:1.0.1e-51.el7_2.7
    • Red Hat Enterprise Linux Client Optional (v. 7) openssl-devel-1:1.0.1e-51.el7_2.7, openssl-perl-1:1.0.1e-51.el7_2.7, openssl-static-1:1.0.1e-51.el7_2.7
    • Red Hat Enterprise Linux ComputeNode (v. 7) openssl-1:1.0.1e-51.el7_2.7, openssl-libs-1:1.0.1e-51.el7_2.7
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) openssl-devel-1:1.0.1e-51.el7_2.7, openssl-perl-1:1.0.1e-51.el7_2.7, openssl-static-1:1.0.1e-51.el7_2.7
    • Red Hat Enterprise Linux Desktop (v. 6) openssl-1.0.1e-48.el6_8.3
    • Red Hat Enterprise Linux Desktop Optional (v. 6) openssl-devel-1.0.1e-48.el6_8.3, openssl-perl-1.0.1e-48.el6_8.3, openssl-static-1.0.1e-48.el6_8.3
    • Red Hat Enterprise Linux HPC Node (v. 6) openssl-1.0.1e-48.el6_8.3
    • Red Hat Enterprise Linux HPC Node Optional (v. 6) openssl-devel-1.0.1e-48.el6_8.3, openssl-perl-1.0.1e-48.el6_8.3, openssl-static-1.0.1e-48.el6_8.3
    • Red Hat Enterprise Linux Server (v. 6) openssl-1.0.1e-48.el6_8.3, openssl-1.0.1e-48.el6_8.3.ppc, openssl-devel-1.0.1e-48.el6_8.3 +1
    • Red Hat Enterprise Linux Server (v. 7) openssl-1:1.0.1e-51.el7_2.7, openssl-devel-1:1.0.1e-51.el7_2.7, openssl-devel-1:1.0.1e-51.el7_2.7.ppc +2
    • Red Hat Enterprise Linux Server Optional (v. 6) openssl-perl-1.0.1e-48.el6_8.3, openssl-static-1.0.1e-48.el6_8.3
    • Red Hat Enterprise Linux Server Optional (v. 7) openssl-perl-1:1.0.1e-51.el7_2.7, openssl-static-1:1.0.1e-51.el7_2.7, openssl-static-1:1.0.1e-51.el7_2.7.ppc
    • Red Hat Enterprise Linux Workstation (v. 6) openssl-1.0.1e-48.el6_8.3, openssl-devel-1.0.1e-48.el6_8.3
    • Red Hat Enterprise Linux Workstation (v. 7) openssl-1:1.0.1e-51.el7_2.7, openssl-devel-1:1.0.1e-51.el7_2.7, openssl-libs-1:1.0.1e-51.el7_2.7
    • Red Hat Enterprise Linux Workstation Optional (v. 6) openssl-perl-1.0.1e-48.el6_8.3, openssl-static-1.0.1e-48.el6_8.3
    • Red Hat Enterprise Linux Workstation Optional (v. 7) openssl-perl-1:1.0.1e-51.el7_2.7, openssl-static-1:1.0.1e-51.el7_2.7

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 5AffectedNo fix planned: Will not fix
Red Hat Enterprise Linux 6AffectedNo fix planned: Will not fix
Red Hat Enterprise Linux 7AffectedNo fix planned: Will not fix
Red Hat JBoss Enterprise Web Server 1AffectedNo fix planned: Will not fix
Red Hat JBoss Enterprise Web Server 2AffectedNo fix planned: Will not fix
Red Hat JBoss Enterprise Web Server 3AffectedNo fix yet: Fix deferred
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2016:1940
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2016:1940
Red Hat Enterprise Linux ComputeNode (v. 7)Fixed RHSA-2016:1940
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2016:1940
Red Hat Enterprise Linux Desktop (v. 6)Fixed RHSA-2016:1940
Red Hat Enterprise Linux Desktop Optional (v. 6)Fixed RHSA-2016:1940
Red Hat Enterprise Linux HPC Node (v. 6)Fixed RHSA-2016:1940
Red Hat Enterprise Linux HPC Node Optional (v. 6)Fixed RHSA-2016:1940
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2016:1940
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2016:1940
Red Hat Enterprise Linux Server Optional (v. 6)Fixed RHSA-2016:1940
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2016:1940
Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2016:1940
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2016:1940
Red Hat Enterprise Linux Workstation Optional (v. 6)Fixed RHSA-2016:1940
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2016:1940
Red Hat JBoss Core ServicesFixed RHSA-2016:2957
Red Hat JBoss Core Services on RHEL 6 ServerFixed RHSA-2017:0193
Red Hat JBoss Core Services on RHEL 7 ServerFixed RHSA-2017:0194
Red Hat JBoss Enterprise Application Platform 6.4Fixed RHSA-2017:1659
Red Hat JBoss Enterprise Application Platform 6.4 for RHEL 6 ServerFixed RHSA-2017:1658
Red Hat JBoss Enterprise Application Platform 6.4 for RHEL 7 ServerFixed RHSA-2017:1658

Timeline

  1. 2026-10-02 Threatist record created from CVE-2016-2178
  2. 2026-10-03 Alias added: GHSA-jhj7-8r7j-mjxf

References

Patch 7

Advisory 58

Other 2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences