CVE-2021-32574
HashiCorp Consul SSL/TLS Destination Service Identity Validation Bypass
Description
HashiCorp Consul and Consul Enterprise 1.3.0 through 1.10.0 Envoy proxy TLS configuration does not validate destination service identity in the encoded subject alternative name. Fixed in 1.8.14, 1.9.8, and 1.10.1.
INFO
Published Date :
July 17, 2021, 6:15 p.m.
Last Modified :
Nov. 21, 2024, 6:07 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-32574.
| URL | Resource |
|---|---|
| https://discuss.hashicorp.com/t/hcsec-2021-17-consul-s-envoy-tls-configuration-did-not-validate-destination-service-subject-alternative-names/26856 | Vendor Advisory |
| https://github.com/hashicorp/consul/releases/tag/v1.10.1 | Third Party Advisory |
| https://security.gentoo.org/glsa/202208-09 | Third Party Advisory |
| https://www.hashicorp.com/blog/category/consul | Vendor Advisory |
| https://discuss.hashicorp.com/t/hcsec-2021-17-consul-s-envoy-tls-configuration-did-not-validate-destination-service-subject-alternative-names/26856 | Vendor Advisory |
| https://github.com/hashicorp/consul/releases/tag/v1.10.1 | Third Party Advisory |
| https://security.gentoo.org/glsa/202208-09 | Third Party Advisory |
| https://www.hashicorp.com/blog/category/consul | Vendor Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-32574 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-32574 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://discuss.hashicorp.com/t/hcsec-2021-17-consul-s-envoy-tls-configuration-did-not-validate-destination-service-subject-alternative-names/26856 Added Reference https://github.com/hashicorp/consul/releases/tag/v1.10.1 Added Reference https://security.gentoo.org/glsa/202208-09 Added Reference https://www.hashicorp.com/blog/category/consul -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Modified Analysis by [email protected]
Oct. 25, 2022
Action Type Old Value New Value Changed Reference Type https://security.gentoo.org/glsa/202208-09 No Types Assigned https://security.gentoo.org/glsa/202208-09 Third Party Advisory -
CVE Modified by [email protected]
Aug. 10, 2022
Action Type Old Value New Value Added Reference https://security.gentoo.org/glsa/202208-09 [No Types Assigned] -
Initial Analysis by [email protected]
Jul. 28, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:P/A:N) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N Changed Reference Type https://discuss.hashicorp.com/t/hcsec-2021-17-consul-s-envoy-tls-configuration-did-not-validate-destination-service-subject-alternative-names/26856 No Types Assigned https://discuss.hashicorp.com/t/hcsec-2021-17-consul-s-envoy-tls-configuration-did-not-validate-destination-service-subject-alternative-names/26856 Vendor Advisory Changed Reference Type https://github.com/hashicorp/consul/releases/tag/v1.10.1 No Types Assigned https://github.com/hashicorp/consul/releases/tag/v1.10.1 Third Party Advisory Changed Reference Type https://www.hashicorp.com/blog/category/consul No Types Assigned https://www.hashicorp.com/blog/category/consul Vendor Advisory Added CWE NIST CWE-295 Added CPE Configuration OR *cpe:2.3:a:hashicorp:consul:*:*:*:*:-:*:*:* versions from (including) 1.3.0 up to (excluding) 1.8.14 *cpe:2.3:a:hashicorp:consul:*:*:*:*:enterprise:*:*:* versions from (including) 1.3.0 up to (excluding) 1.8.14 *cpe:2.3:a:hashicorp:consul:*:*:*:*:-:*:*:* versions from (including) 1.9.0 up to (excluding) 1.9.8 *cpe:2.3:a:hashicorp:consul:*:*:*:*:enterprise:*:*:* versions from (including) 1.9.0 up to (excluding) 1.9.8 *cpe:2.3:a:hashicorp:consul:*:*:*:*:-:*:*:* versions from (including) 1.10.0 up to (excluding) 1.10.1 *cpe:2.3:a:hashicorp:consul:*:*:*:*:enterprise:*:*:* versions from (including) 1.10.0 up to (excluding) 1.10.1 -
CVE Modified by [email protected]
Jul. 19, 2021
Action Type Old Value New Value Changed Description HashiCorp Consul before 1.10.1 (and Consul Enterprise) has Missing SSL Certificate Validation. xds does not ensure that the Subject Alternative Name of an upstream is validated. HashiCorp Consul and Consul Enterprise 1.3.0 through 1.10.0 Envoy proxy TLS configuration does not validate destination service identity in the encoded subject alternative name. Fixed in 1.8.14, 1.9.8, and 1.10.1. Added Reference https://discuss.hashicorp.com/t/hcsec-2021-17-consul-s-envoy-tls-configuration-did-not-validate-destination-service-subject-alternative-names/26856 [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-32574 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-32574
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.16 }} 0.02%
score
0.51842
percentile