CVE-2022-38667 Use after free in n/a

Critical 9.8 Published Updated

Attackers can achieve code execution via HTTP pipelining due to a use-after-free vulnerability in the Crow HTTP library's connection handling.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2022-38667?

CVE-2022-38667 is a critical use after free vulnerability in n/a, published on 22 Aug 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

HTTP applications (servers) based on Crow through 1.0+4 may allow a Use-After-Free and code execution when HTTP pipelining is used. The HTTP parser supports HTTP pipelining, but the asynchronous Connection layer is unaware of HTTP pipelining. Specifically, the Connection layer is unaware that it has begun processing a later request before it has finished processing an earlier request.

Weakness: CWE-416

Which versions are affected by CVE-2022-38667?

It affects 1 product.

Products include Crowcpp Crow.

How do I fix CVE-2022-38667?

No fix has been published for CVE-2022-38667 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2022-38667 being exploited?

There is no known exploitation of CVE-2022-38667 in the wild and no public exploit code.

Sources

Also known as GHSA-g8qv-x989-399f.

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