Use of a Broken or Risky Cryptographic Algorithm

Affecting openssl package, versions <1.1.0g-2ubuntu4.3

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Overview

The OpenSSL ECDSA 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 1.1.0j (Affected 1.1.0-1.1.0i). Fixed in OpenSSL 1.1.1a (Affected 1.1.1).

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-2018-0735
CWE
CWE-327
Snyk ID
SNYK-UBUNTU1804-OPENSSL-373434
Disclosed
29 Oct, 2018
Published
02 Dec, 2018