SNS: ClamAV DoS (Invalid Pointer Read Vulnerability)

Advisory ID CVE Number Date discovered Severity Advisory revision
STORM-2022-005 CVE-2022-20698 01/27/2022 medium v1

Vulnerability details

An attacker could use this vulnerability to make clamav crash, and therefore induce a temporary antiviral unavailability

Impacted products

Stormshield Network Security medium impacted


Version Date Description
v1 04/06/2022 Initial release


Stormshield Network Security

CVSS v3.1 Overall Score: 5.3      


Impacted version

A correctly forged file, if analyzed by clamav, could lead to a clamav crash and therefore a temporary antiviral unavailability.

  • SNS 2.7 to 2.7.9
  • SNS 3.11.0 to 3.11.14
  • SNS 3.7.0 to 3.7.14
  • SNS 4.0.0 to 4.2.10
  • SNS 4.3.0 to 4.3.6

Workaround solution


There is no workaround solution.

The following versions fix this vulnerability

  • 3.7.27
  • 3.11.15
  • 4.2.11
  • 4.3.7

Attack Vector Attack Complexity Privileges Required User Interaction Scope Confidentiality Impact Integrity Impact Availability impact
Network Low None None Unchanged None None Low
CVSS Base score: 5.3 CVSS Vector: (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
Exploit Code Maturity Remediation Level Report Confidence
Unproven that exploit exists Official fix Confirmed
CVSS Temporal score: 4.6 CVSS Vector: (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C)
Confidentiality Requirement Integrity Requirement Availability Requirement
High High High
CVSS Environmental score: 5.3 CVSS Vector: (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/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)