Covert Timing Channel Affecting opencryptoki-ccatok package, versions <0:3.17.0-6.el8_6


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.11% (46th percentile)

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  • Snyk IDSNYK-RHEL8-OPENCRYPTOKICCATOK-6679843
  • published27 Apr 2024
  • disclosed25 Jan 2024

Introduced: 25 Jan 2024

CVE-2024-0914  (opens in a new tab)
CWE-385  (opens in a new tab)
CWE-208  (opens in a new tab)
CWE-203  (opens in a new tab)

How to fix?

Upgrade RHEL:8 opencryptoki-ccatok to version 0:3.17.0-6.el8_6 or higher.
This issue was patched in RHSA-2024:1992.

NVD Description

Note: Versions mentioned in the description apply only to the upstream opencryptoki-ccatok package and not the opencryptoki-ccatok package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

A timing side-channel vulnerability has been discovered in the opencryptoki package while processing RSA PKCS#1 v1.5 padded ciphertexts. This flaw could potentially enable unauthorized RSA ciphertext decryption or signing, even without access to the corresponding private key.

CVSS Scores

version 3.1