cve/2018/CVE-2018-0734.md

CVE-2018-0734

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).

POC

Reference

• https://www.oracle.com/security-alerts/cpuapr2020.html
• https://www.oracle.com/security-alerts/cpujan2020.html
• https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html
• https://www.tenable.com/security/tns-2018-16
• https://www.tenable.com/security/tns-2018-17

Github

• https://github.com/ARPSyndicate/cvemon
• https://github.com/Qi-Zhan/ps3
• https://github.com/chnzzh/OpenSSL-CVE-lib
• https://github.com/javirodriguezzz/Shodan-Browser
• https://github.com/mrodden/vyger
• https://github.com/tlsresearch/TSI