Vulnerability Monitor

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CVE-2016-2178


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.


Published

2016-06-20T01:59:03.023

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv3.1: 5.5 (MEDIUM)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:P/I:N/A:N

  • Access Vector: LOCAL
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: NONE
  • Availability Impact: NONE
Exploitability Score

3.9

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-203

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application openssl openssl 1.0.1 Yes
Application openssl openssl 1.0.1a Yes
Application openssl openssl 1.0.1b Yes
Application openssl openssl 1.0.1c Yes
Application openssl openssl 1.0.1d Yes
Application openssl openssl 1.0.1e Yes
Application openssl openssl 1.0.1f Yes
Application openssl openssl 1.0.1g Yes
Application openssl openssl 1.0.1h Yes
Application openssl openssl 1.0.1i Yes
Application openssl openssl 1.0.1j Yes
Application openssl openssl 1.0.1k Yes
Application openssl openssl 1.0.1l Yes
Application openssl openssl 1.0.1m Yes
Application openssl openssl 1.0.1n Yes
Application openssl openssl 1.0.1o Yes
Application openssl openssl 1.0.1p Yes
Application openssl openssl 1.0.1q Yes
Application openssl openssl 1.0.1r Yes
Application openssl openssl 1.0.1s Yes
Application openssl openssl 1.0.1t Yes
Application openssl openssl 1.0.2 Yes
Application openssl openssl 1.0.2a Yes
Application openssl openssl 1.0.2b Yes
Application openssl openssl 1.0.2c Yes
Application openssl openssl 1.0.2d Yes
Application openssl openssl 1.0.2e Yes
Application openssl openssl 1.0.2f Yes
Application openssl openssl 1.0.2g Yes
Application openssl openssl 1.0.2h Yes
Operating System oracle linux 5 Yes
Operating System oracle linux 6 Yes
Operating System oracle linux 7 Yes
Operating System oracle solaris 10 Yes
Operating System oracle solaris 11.3 Yes
Operating System suse linux_enterprise 12.0 Yes
Application nodejs node.js < 0.10.47 Yes
Application nodejs node.js < 0.12.16 Yes
Application nodejs node.js ≤ 4.1.2 Yes
Application nodejs node.js < 4.6.0 Yes
Application nodejs node.js < 6.7.0 Yes
Operating System debian debian_linux 8.0 Yes
Operating System canonical ubuntu_linux 12.04 Yes
Operating System canonical ubuntu_linux 14.04 Yes
Operating System canonical ubuntu_linux 16.04 Yes

References