FreeBSD Memory disclosure (CVE-2021-29626)

Advisory ID CVE Number Date discovered Severity Advisory revision
STORM-2021-021 CVE-2021-29626 04/06/2021 medium v1

Vulnerability details

A vulnerability in FreeBSD’s virtual memory mapping could lead to process and kernel memory information disclosure.

 

Impacted products

ProductsSeverityDetail
Stormshield Network Security medium SNS is impacted
Netasq medium NetAsq is impacted

Revisions

Version Date Description
v1  05/27/2021 Initial release

 



Stormshield Network Security

CVSS v3.1 Overall Score: 6.7      

Analysis

Impacted version

A vulnerability in FreeBSD’s virtual memory mapping could lead to process and kernel memory information disclosure.

Note that for succesful exploitation, SNS products already need to be compromised.
  • SNS 2.0.0 to 2.7.9
  • SNS 3.0.0 to 3.7.20
  • SNS 3.8.0 to 3.11.8
  • SNS 4.0.0 to 4.1.6
  • SNS 4.2.1

 

 

Workaround solution

Solution

There is no workaround.

The 4.2.2 update fixes this vulnerability.



Attack Vector Attack Complexity Privileges Required User Interaction Scope Confidentiality Impact Integrity Impact Availability impact
Local High Low None Changed High None None
CVSS Base score: 5.6 CVSS Vector: (AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N)
Exploit Code Maturity Remediation Level Report Confidence
Unproven that exploit exists Official fix Confirmed
CVSS Temporal score: 4.9 CVSS Vector: (AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C)
Confidentiality Requirement (CR) Integrity Requirement (IR) Availability Requirement (AR)
High High High
CVSS Environmental score: 6.7 CVSS Vector: (AV:L/AC:H/PR:L/UI:N/S:C/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)


Netasq

CVSS v3.1 Overall Score: 5.2      

Analysis

Impacted version

A vulnerability in FreeBSD’s virtual memory mapping could lead to process and kernel memory information disclosure.

Note that for succesful exploitation, Netasq products already need to be compromised.
  • Netasq 9.1.0 to 9.1.11

Workaround solution

Solution

There is no workaround solution.

There is no solution.



Attack Vector Attack Complexity Privileges Required User Interaction Scope Confidentiality Impact Integrity Impact Availability impact
Local High Low None Changed High None None
CVSS Base score: 5.6 CVSS Vector: (AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N)
Exploit Code Maturity Remediation Level Report Confidence
Unproven that exploit exists Official fix Confirmed
CVSS Temporal score: 4.9 CVSS Vector: (AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C)
Confidentiality Requirement (CR) Integrity Requirement (IR) Availability Requirement (AR)
High High High
CVSS Environmental score: 5.2 CVSS Vector: (AV:L/AC:H/PR:L/UI:N/S:C/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)