CVEvulnerability

CVE-2016-2178

5.5 MEDIUM Published 2016-06-20 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2016-06-20
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS 2.0 ([email protected])
2.1 LOW — AV:L/AC:L/Au:N/C:P/I:N/A:N
Weaknesses
CWE-203

Description

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.

Affected configurations

• openssl openssl 1.0.1 • openssl openssl 1.0.1a • openssl openssl 1.0.1b • openssl openssl 1.0.1c • openssl openssl 1.0.1d • openssl openssl 1.0.1e • openssl openssl 1.0.1f • openssl openssl 1.0.1g • openssl openssl 1.0.1h • openssl openssl 1.0.1i • openssl openssl 1.0.1j • openssl openssl 1.0.1k • openssl openssl 1.0.1l • openssl openssl 1.0.1m • openssl openssl 1.0.1n • openssl openssl 1.0.1o • openssl openssl 1.0.1p • openssl openssl 1.0.1q • openssl openssl 1.0.1r • openssl openssl 1.0.1s • openssl openssl 1.0.1t • openssl openssl 1.0.2 • openssl openssl 1.0.2a • openssl openssl 1.0.2b • openssl openssl 1.0.2c • openssl openssl 1.0.2d • openssl openssl 1.0.2e • openssl openssl 1.0.2f • openssl openssl 1.0.2g • openssl openssl 1.0.2h • oracle linux 5 • oracle linux 6 • oracle linux 7 • oracle solaris 10 • oracle solaris 11.3 • suse linux enterprise 12.0 • nodejs node.js (>= 0.10.0 < 0.10.47) • nodejs node.js (>= 0.12.0 < 0.12.16) • nodejs node.js (>= 4.0.0 <= 4.1.2) • nodejs node.js (>= 4.2.0 < 4.6.0) • nodejs node.js (>= 5.0.0 < 6.7.0) • debian debian linux 8.0 • canonical ubuntu linux 12.04 • canonical ubuntu linux 14.04 • canonical ubuntu linux 16.04

Related

Weakness · CWE (1)

  • CWE-203 Observable Discrepancy weakness

References