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).

Weakness classification

• CWE-327: Use of a Broken or Risky Cryptographic Algorithm

Primary references

• openssl-security@openssl.org — Mailing List, Third Party Advisory
• openssl-security@openssl.org — Mailing List, Third Party Advisory
• openssl-security@openssl.org — Third Party Advisory, VDB Entry
• openssl-security@openssl.org — Third Party Advisory
• openssl-security@openssl.org — Third Party Advisory
• openssl-security@openssl.org — Third Party Advisory
• openssl-security@openssl.org — Third Party Advisory
• openssl-security@openssl.org — Third Party Advisory
• openssl-security@openssl.org
• openssl-security@openssl.org
• openssl-security@openssl.org
• openssl-security@openssl.org