Use After Free in Crowcpp Crow
CVE-2022-38667
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.
Vulnerability class: Use-After-Free
EPSS: 0.022 (80.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Crowcpp Crow
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Technical Description, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2022-38667?
- CVE-2022-38667 is a critical-severity vulnerability in Crowcpp Crow, classified under Use After Free. CVSS score: 9.8/10. Published 2022-08-22.
- How severe is CVE-2022-38667?
- Critical severity. CVSS v3 base score is 9.8 out of 10.