Timing Side-Channel Attack Vulnerability in OpenSSL's dsa_sign_setup Function

Timing Side-Channel Attack Vulnerability in OpenSSL's dsa_sign_setup Function

CVE-2016-2178 · MEDIUM Severity

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

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.

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