CVE-2018-0734
Timing attack against DSA
At a glance Severity Not available EPSS EPSS 12.15 % · percentile 96 (2026-10-27) State PUBLISHED Published 2018-10-30 Updated 2026-10-08 Assigner openssl NVD status Modified
Description The OpenSSL DSA signature algorithm has been shown to be vulnerable to a timing side channel attack. An attacker could use variations in the signing algorithm to recover the private key. Fixed in OpenSSL 1.1.1a (Affected 1.1.1). Fixed in OpenSSL 1.1.0j (Affected 1.1.0-1.1.0i). Fixed in OpenSSL 1.0.2q (Affected 1.0.2-1.0.2p).
Scores Version Score Vector Scored by CVSS 3.1 MEDIUM 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N NVD · nvd@nist.gov (Primary) CVSS 2.0 MEDIUM 4.3 AV:N/AC:M/Au:N/C:P/I:N/A:N NVD · nvd@nist.gov (Primary)
Weaknesses (CWE)
European references
CERT-FR advisories
Affected configurations (NVD CPE) cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:* ≥ 1.0.2 ≤ 1.0.2pcpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:* ≥ 1.1.0 ≤ 1.1.0icpe:2.3:a:openssl:openssl:1.1.1:*:*:*:*:*:*:*cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:* ≥ 6.0.0 ≤ 6.8.1cpe:2.3:a:nodejs:node.js:*:*:*:*:lts:*:*:* ≥ 6.9.0 < 6.15.0cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:* ≥ 8.0.0 ≤ 8.8.1cpe:2.3:a:nodejs:node.js:*:*:*:*:lts:*:*:* ≥ 8.9.0 < 8.14.0cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:* ≥ 10.0.0 ≤ 10.12.0cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:* ≥ 11.0.0 < 11.3.0cpe:2.3:a:nodejs:node.js:10.13.0:*:*:*:lts:*:*:*cpe:2.3:o:netapp:cn1610_firmware:-:*:*:*:*:*:*:*cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*cpe:2.3:a:netapp:oncommand_unified_manager:*:*:*:*:*:*:*:*cpe:2.3:a:netapp:santricity_smi-s_provider:-:*:*:*:*:*:*:*cpe:2.3:a:netapp:snapcenter:-:*:*:*:*:*:*:*cpe:2.3:a:netapp:steelstore:-:*:*:*:*:*:*:*cpe:2.3:a:netapp:storage_automation_store:-:*:*:*:*:*:*:*cpe:2.3:a:oracle:api_gateway:11.1.2.4.0:*:*:*:*:*:*:*cpe:2.3:a:oracle:e-business_suite_technology_stack:0.9.8:*:*:*:*:*:*:*cpe:2.3:a:oracle:e-business_suite_technology_stack:1.0.0:*:*:*:*:*:*:*cpe:2.3:a:oracle:e-business_suite_technology_stack:1.0.1:*:*:*:*:*:*:*cpe:2.3:a:oracle:enterprise_manager_base_platform:12.1.0.5.0:*:*:*:*:*:*:*cpe:2.3:a:oracle:enterprise_manager_base_platform:13.2.0.0.0:*:*:*:*:*:*:*cpe:2.3:a:oracle:enterprise_manager_base_platform:13.3.0.0.0:*:*:*:*:*:*:*cpe:2.3:a:oracle:enterprise_manager_ops_center:12.3.3:*:*:*:*:*:*:*cpe:2.3:a:oracle:mysql_enterprise_backup:*:*:*:*:*:*:*:* ≥ 3.0 ≤ 3.12.3cpe:2.3:a:oracle:mysql_enterprise_backup:*:*:*:*:*:*:*:* ≥ 4.0 ≤ 4.1.2cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.55:*:*:*:*:*:*:*cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.56:*:*:*:*:*:*:*cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.57:*:*:*:*:*:*:*cpe:2.3:a:oracle:primavera_p6_professional_project_management:*:*:*:*:*:*:*:* ≥ 17.7 ≤ 17.12cpe:2.3:a:oracle:primavera_p6_professional_project_management:8.4:*:*:*:*:*:*:*cpe:2.3:a:oracle:primavera_p6_professional_project_management:15.1:*:*:*:*:*:*:*cpe:2.3:a:oracle:primavera_p6_professional_project_management:15.2:*:*:*:*:*:*:*cpe:2.3:a:oracle:primavera_p6_professional_project_management:16.1:*:*:*:*:*:*:*+3 more
Affected products Product Versions OpenSSL · OpenSSL affected Fixed in OpenSSL 1.1.1a (Affected 1.1.1) ; affected Fixed in OpenSSL 1.1.0j (Affected 1.1.0-1.1.0i) ; affected Fixed in OpenSSL 1.0.2q (Affected 1.0.2-1.0.2p)
References
Sources