CVE-2022-31684 Invalid HTTP requests in Reactor Netty HTTP Server may reveal access tokens

What is CVE-2022-31684?

CVE-2022-31684 is a medium-severity vulnerability in Reactor Netty, published on 19 Oct 2022. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Reactor Netty HTTP Server, in versions 1.0.11 - 1.0.23, may log request headers in some cases of invalid HTTP requests. The logged headers may reveal valid access tokens to those with access to server logs. This may affect only invalid HTTP requests where logging at WARN level is enabled.

Weakness: CWE-532

Which versions are affected by CVE-2022-31684?

2 open source packages ship an affected version, including io.projectreactor.netty:reactor-netty-http. It affects 1 product.

Products include Broadcom Reactor Netty.

How do I fix CVE-2022-31684?

Upgrade io.projectreactor.netty:reactor-netty-http to 1.0.24 or later.

Is CVE-2022-31684 being exploited?

There is no known exploitation of CVE-2022-31684 in the wild and no public exploit code.

Other vulnerabilities in Reactor Netty

• CVE-2023-34062 In Reactor Netty HTTP Server a malicious user can send a request using a specially crafted URL that can lead to a directory traversal attack High 7.5
• CVE-2019-11284 Reactor Netty authentication leak in redirects Medium 6.8
• CVE-2020-5403 DoS Via Malformed URL with Reactor Netty HTTP Server Medium 6.5
• CVE-2020-5404 Authentication Leak On Redirect With Reactor Netty HttpClient Medium 6.5
• CVE-2026-47848 Reactor Netty WebSocket Client Leaks Credentials On Redirect Medium 6.1

Sources

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

Also known as GHSA-7w4x-4h67-pgmv.