CVE-2024-10086 Consul Vulnerable To Reflected XSS On Content-Type Error Manipulation

What is CVE-2024-10086?

CVE-2024-10086 is a medium-severity cross-site scripting vulnerability in HashiCorp Consul, published on 30 Oct 2024. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

A vulnerability was identified in Consul and Consul Enterprise such that the server response did not explicitly set a Content-Type HTTP header, allowing user-provided inputs to be misinterpreted and lead to reflected XSS.

Weakness: CWE-79

Which versions are affected by CVE-2024-10086?

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

Products include Hashicorp Consul.

How do I fix CVE-2024-10086?

Upgrade github.com/hashicorp/consul to 1.20.0 or later.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2024-10086 being exploited?

There is no known exploitation of CVE-2024-10086 in the wild and no public exploit code.

Other vulnerabilities in HashiCorp Consul

• 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 BIT-consul-2024-10086, DEBIAN-CVE-2024-10086, GHSA-99wr-c2px-grmh, GO-2024-3242, UBUNTU-CVE-2024-10086.