Vulnerability Monitor

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CVE-2021-38698

HashiCorp Consul and Consul Enterprise 1.10.1 Txn.Apply endpoint allowed services to register proxies for other services, enabling access to service traffic. Fixed in 1.8.15, 1.9.9 and 1.10.2.

Published

2021-09-07T12:15:07.930

Last Modified

2024-11-21T06:17:55.753

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.5 (MEDIUM)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: LOW
Authentication: SINGLE
Confidentiality Impact: PARTIAL
Integrity Impact: NONE
Availability Impact: NONE

Exploitability Score

8.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-862

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	hashicorp	consul	< 1.8.15	Yes
Application	hashicorp	consul	< 1.8.15	Yes
Application	hashicorp	consul	< 1.9.9	Yes
Application	hashicorp	consul	< 1.9.9	Yes
Application	hashicorp	consul	< 1.10.2	Yes
Application	hashicorp	consul	< 1.10.2	Yes

References

https://discuss.hashicorp.com/t/hcsec-2021-24-consul-missing-authorization-check-on-txn-apply-endpoint/29026 Vendor Advisory ([email protected])
https://security.gentoo.org/glsa/202208-09 Third Party Advisory ([email protected])
https://www.hashicorp.com/blog/category/consul Product, Vendor Advisory ([email protected])
https://discuss.hashicorp.com/t/hcsec-2021-24-consul-missing-authorization-check-on-txn-apply-endpoint/29026 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/202208-09 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.hashicorp.com/blog/category/consul Product, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)