Vulnerability Description
The parse function in llhttp < 2.1.4 and < 6.0.6. ignores chunk extensions when parsing the body of chunked requests. This leads to HTTP Request Smuggling (HRS) under certain conditions.
CVSS Score
6.5
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Llhttp | Llhttp | < 2.1.4 |
| Oracle | Graalvm | 20.3.4 |
| Debian | Debian Linux | 11.0 |
Related Weaknesses (CWE)
References
- https://hackerone.com/reports/1238099ExploitIssue TrackingThird Party Advisory
- https://www.debian.org/security/2022/dsa-5170Third Party Advisory
- https://www.oracle.com/security-alerts/cpujan2022.htmlPatchThird Party Advisory
- https://hackerone.com/reports/1238099ExploitIssue TrackingThird Party Advisory
- https://www.debian.org/security/2022/dsa-5170Third Party Advisory
- https://www.oracle.com/security-alerts/cpujan2022.htmlPatchThird Party Advisory
FAQ
What is CVE-2021-22960?
CVE-2021-22960 is a vulnerability with a CVSS score of 6.5 (MEDIUM). The parse function in llhttp < 2.1.4 and < 6.0.6. ignores chunk extensions when parsing the body of chunked requests. This leads to HTTP Request Smuggling (HRS) under certain conditions.
How severe is CVE-2021-22960?
CVE-2021-22960 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-22960?
Check the references section above for vendor advisories and patch information. Affected products include: Llhttp Llhttp, Oracle Graalvm, Debian Debian Linux.