Vulnerability Description
Versions of Async HTTP Client prior to 1.13.2 are vulnerable to a form of targeted request manipulation called CRLF injection. This vulnerability was the result of insufficient validation of HTTP header field values before sending them to the network. Users are vulnerable if they pass untrusted data into HTTP header field values without prior sanitisation. Common use-cases here might be to place usernames from a database into HTTP header fields. This vulnerability allows attackers to inject new HTTP header fields, or entirely new requests, into the data stream. This can cause requests to be understood very differently by the remote server than was intended. In general, this is unlikely to result in data disclosure, but it can result in a number of logical errors and other misbehaviours.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Asynchttpclient Project | Async-Http-Client | < 1.4.1 |
Related Weaknesses (CWE)
References
- https://github.com/swift-server/async-http-client/security/advisories/GHSA-v3r5-Third Party Advisory
- https://github.com/swift-server/async-http-client/security/advisories/GHSA-v3r5-Third Party Advisory
FAQ
What is CVE-2023-0040?
CVE-2023-0040 is a vulnerability with a CVSS score of 7.5 (HIGH). Versions of Async HTTP Client prior to 1.13.2 are vulnerable to a form of targeted request manipulation called CRLF injection. This vulnerability was the result of insufficient validation of HTTP head...
How severe is CVE-2023-0040?
CVE-2023-0040 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-0040?
Check the references section above for vendor advisories and patch information. Affected products include: Asynchttpclient Project Async-Http-Client.