Use of a Broken or Risky Cryptographic Algorithm

Affecting openssl package, versions <1.0.2g-1ubuntu4.14

Report new vulnerabilities
Do your applications use this vulnerable package? Test your applications

Overview

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).

References

CVSS Score

5.9
low severity
  • Attack Vector
    Network
  • Attack Complexity
    High
  • Privileges Required
    None
  • User Interaction
    None
  • Scope
    Unchanged
  • Confidentiality
    High
  • Integrity
    None
  • Availability
    None
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
CVE
CVE-2018-0734
CWE
CWE-327
Snyk ID
SNYK-UBUNTU1604-OPENSSL-373427
Disclosed
30 Oct, 2018
Published
02 Dec, 2018