CVE-2023-54397
9
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:H/VA:N/SC:L/SI:H/SA:N
Summary
Tornado before 6.3.3 contains an HTTP request smuggling vulnerability due to improper parsing of Content-Length headers accepting non-standard characters. Attackers can send crafted HTTP requests with these characters to bypass proxy validation and smuggle requests when deployed behind certain proxies.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| tornadoweb | tornado | 0 < 6.3.3 | affected |
| tornadoweb | tornado | 6.3.3 | unaffected |
Weaknesses
- CWE-444: Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')
References
- https://github.com/tornadoweb/tornado/security/advisories/GHSA-qppv-j76h-2rpx
- https://www.vulncheck.com/advisories/tornado-before-6.3.3-http-request-smuggling-via-content-length
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