ICMP DoS attack

Advisory ID CVE Number Date discovered Severity Advisory revision
STORM-2020-034 CVE-2020-7469 12/01/2020 medium v1

Vulnerability details

Memory management defect in ICMPv6 layer.

Impacted products

ProductsSeverityDetail
Stormshield Network Security medium impacted
Netasq medium impacted

Revisions

Version Date Description
v1  12/18/2020 Initial release
v2  01/29/2020 Fix field “Solution” and precision about impacted versions
v3  03/01/2021 Update “Solution” section

 



Stormshield Network Security

CVSS v2 Overall Score: 5.3      

Analysis

Impacted version

Memory management defect in ICMPv6 layer which can trigger DoS of the equipment.

  • SNS 2.0.0 to 2.7.7
  • SNS 3.0.0 to 3.7.14
  • SNS 3.8.0 to 3.11.2
  • SNS 4.0.0 to 4.1.2

Workaround solution

Solution

There is no workaround solution.

The vulnerability is fixed in versions:

  • SNS 2.7.8
  • SNS 3.7.15
  • SNS 3.11.3
  • SNS 4.1.3

 



Access vector Access complexity Authentication Confidentiality impact Integrity impact Availability impact
Network Medium None None None Complete
CVSS Base score: 7.1 CVSS Vector: (AV:N/AC:M/Au:N/C:N/I:N/A:C)
Exploitability Remediation Level Report Confidence
Unproven that exploit exists Official fix Confirmed
CVSS Temporal score: 5.3 CVSS Vector: (AV:N/AC:M/Au:N/C:N/I:N/A:C/E:U/RL:OF/RC:C)
Collateral Damage Potential Target Distribution
None High [76-100%]
CVSS Environmental score: 5.3 CVSS Vector: (AV:N/AC:M/Au:N/C:N/I:N/A:C/E:U/RL:OF/RC:C/CDP:N/TD:H/CR:ND/IR:ND/AR:ND)


Netasq

CVSS v2 Overall Score: 5.3      

Analysis

Impacted version

Memory management defect in ICMPv6 layer which can trigger DoS of the equipment

  • Netasq 9.0.9 to 9.1.10

Workaround solution

Solution

There is no workaround solution.

No solution



Access vector Access complexity Authentication Confidentiality impact Integrity impact Availability impact
Network Medium None None None Complete
CVSS Base score: 7.1 CVSS Vector: (AV:N/AC:M/Au:N/C:N/I:N/A:C)
Exploitability Remediation Level Report Confidence
Unproven that exploit exists Official fix Confirmed
CVSS Temporal score: 5.3 CVSS Vector: (AV:N/AC:M/Au:N/C:N/I:N/A:C/E:U/RL:OF/RC:C)
Collateral Damage Potential Target Distribution
None High [76-100%]
CVSS Environmental score: 5.3 CVSS Vector: (AV:N/AC:M/Au:N/C:N/I:N/A:C/E:U/RL:OF/RC:C/CDP:N/TD:H/CR:ND/IR:ND/AR:ND)