OpenSSL Timing Attack Risks

Advisory ID CVE Number Date discovered Severity Advisory revision
STORM-2023-009 CVE-2022-4304 01/25/2023 medium v1

Vulnerability details

A timing-based attack exists in the OpenSSL RSA decryption.

Impacted products

Stormshield Network Security medium SNS is impacted


Version Date Description
v1 02/21/2023 Initial release

Stormshield Network Security

CVSS v3.1 Overall Score: 6.2      


Impacted version

A timing-based attack may be possible under certain circumstance for an attacker to achieve a successful decryption.
  • SNS 2.7.0 to 2.7.10
  • SNS 2.8.0 to 3.7.33
  • SNS 3.8.0 to 3.11.21
  • SNS 4.0.0 to 4.3.15
  • SNS 4.4.0 to 4.6.2

Workaround solution


There is no workaround solution.

The following versions fix this vulnerability

  • 2.7.11
  • 3.7.34
  • 3.11.22
  • 4.3.16
  • 4.6.3

Attack Vector Attack Complexity Privileges Required User Interaction Scope Confidentiality Impact Integrity Impact Availability impact
Network High None Required Unchanged High None None
CVSS Base score: 5.3 CVSS Vector: (AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N)
Exploit Code Maturity Remediation Level Report Confidence
Unproven that exploit exists Official fix Confirmed
CVSS Temporal score: 4.6 CVSS Vector: (AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C)
Confidentiality Requirement Integrity Requirement Availability Requirement
High High High
CVSS Environmental score: 6.2 CVSS Vector: (AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C/CR:H/IR:H/AR:H/MAV:X/MAC:X/MPR:X/MUI:X/MS:X/MC:X/MI:X/MA:X)