CVE-2016-2178
openssl: Non-constant time codepath followed for certain operations in DSA implementation
Severity
ModerateRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · May 23, 2016
Updated · September 21, 2026
Description
It was discovered that OpenSSL did not always use constant time operations when computing Digital Signature Algorithm (DSA) signatures. A local attacker could possibly use this flaw to obtain a private DSA key belonging to another user or service running on the same system.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.0 · 5.1CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS 2.0 · 1.9AV:L/AC:M/Au:N/C:P/I:N/A:N
CWE-385 · Covert Timing Channel