Observable Timing Discrepancy Affecting opencryptoki/opencryptoki package, versions [,3.23.0)


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Proof of Concept
EPSS
0.88% (55th percentile)

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  • Snyk IDSNYK-UNMANAGED-OPENCRYPTOKIOPENCRYPTOKI-6210003
  • published30 Jan 2024
  • disclosed25 Jan 2024
  • creditHubert Kario

Introduced: 25 Jan 2024

CVE-2024-0914  (opens in a new tab)
CWE-203  (opens in a new tab)

How to fix?

Upgrade opencryptoki/opencryptoki to version 3.23.0 or higher.

Overview

Affected versions of this package are vulnerable to Observable Timing Discrepancy via the handling of RSA PKCS#1 v1.5 padded ciphertexts. An attacker can obtain sensitive information by observing the time taken to process these ciphertexts (Marvin).

CVSS Base Scores

version 3.1