Use of a Broken or Risky Cryptographic Algorithm

Affecting gnupg package, versions <2.2.19-r0

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Overview

Affected versions of this package are vulnerable to Use of a Broken or Risky Cryptographic Algorithm. A flaw was found in the way certificate signatures could be forged using collisions found in the SHA-1 algorithm. An attacker could use this weakness to create forged certificate signatures. This issue affects GnuPG versions before 2.2.18.

Remediation

Upgrade gnupg to version or higher.

References

CVSS Score

7.5
high severity
  • Attack Vector
    Network
  • Attack Complexity
    Low
  • Privileges Required
    None
  • User Interaction
    None
  • Scope
    Unchanged
  • Confidentiality
    High
  • Integrity
    None
  • Availability
    None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVE
CVE-2019-14855
CWE
CWE-327
Snyk ID
SNYK-ALPINE39-GNUPG-589079
Disclosed
20 Mar, 2020
Published
25 Nov, 2019