CVE-2019-12291 HashiCorp Consul Incorrect Access Control vulnerability

What is CVE-2019-12291?

CVE-2019-12291 is a high-severity missing authorization vulnerability in n/a, published on 6 Jun 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

HashiCorp Consul 1.4.0 through 1.5.0 has Incorrect Access Control. Keys not matching a specific ACL rule used for prefix matching in a policy can be deleted by a token using that policy even with default deny settings configured.

Which versions are affected by CVE-2019-12291?

3 open source packages ship an affected version, including github.com/hashicorp/consul. It affects 1 product.

Products include Hashicorp Consul.

How do I fix CVE-2019-12291?

Upgrade github.com/hashicorp/consul to 1.5.1 or later.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2019-12291 being exploited?

There is no known exploitation of CVE-2019-12291 in the wild and no public exploit code.

Other vulnerabilities in n/a

• CVE-2021-41805 Privilege escalation in n/a High 8.8
• CVE-2021-37219 HashiCorp Consul Privilege Escalation Vulnerability High 8.8
• CVE-2023-2816 Consul Envoy Extension Downsteam Proxy Configuration By Upstream Service Owner High 8.7
• CVE-2024-10006 Consul L7 Intentions Vulnerable To Headers Bypass High 8.3
• CVE-2024-10005 Consul L7 Intentions Vulnerable To URL Path Bypass High 8.1

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2019-12291, GHSA-h65h-v7fw-4p38, GO-2023-1852, UBUNTU-CVE-2019-12291.