CVE-2021-36213

HashiCorp Consul and Consul Enterprise 1.9.0 through 1.10.0 default deny policy with a single L7 application-aware intention deny action cancels out, causing the intention to incorrectly fail open, allowing L4 traffic. Fixed in 1.9.8 and 1.10.1.

CVSS v3.0 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:P/A:N

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://www.hashicorp.com/blog/category/consul	Product Vendor Advisory
https://github.com/hashicorp/consul/releases/tag/v1.10.1	Release Notes Third Party Advisory
https://discuss.hashicorp.com/t/hcsec-2021-16-consul-s-application-aware-intentions-deny-action-fails-open-when-combined-with-default-deny-policy/26855	Vendor Advisory
https://security.gentoo.org/glsa/202208-09	Third Party Advisory

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:hashicorp:consul:::::enterprise:::*
	cpe:2.3:a:hashicorp:consul:::::-:::*
	cpe:2.3:a:hashicorp:consul:::::-:::*
	cpe:2.3:a:hashicorp:consul:::::enterprise:::*

Information

Published : 2021-07-17 11:15

Updated : 2022-09-14 13:58

NVD link : CVE-2021-36213

Mitre link : CVE-2021-36213

JSON object : View

CWE

NVD-CWE-noinfo

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Products Affected

hashicorp

consul

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