Description
Http4s is a Scala interface for HTTP services. In versions from 1.0.0-M1 to before 1.0.0-M45 and before 0.23.31, http4s is vulnerable to HTTP Request Smuggling due to improper handling of HTTP trailer section. This vulnerability could enable attackers to bypass front-end servers security controls, launch targeted attacks against active users, and poison web caches. A pre-requisite for exploitation involves the web application being deployed behind a reverse-proxy that forwards trailer headers. This issue has been patched in versions 1.0.0-M45 and 0.23.31.
Details
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Affected Packages
| Software | From version | Fixed in |
|---|---|---|
| http4s | โ | โ |
| org.http4s:http4s-ember-core-2.12 | โ | 0.23.31 |
| org.http4s:http4s-ember-core-2.13 | 1.0.0-M1 | 1.0.0-M45 |
| org.http4s:http4s-ember-core-3 | 1.0.0-M1 | 1.0.0-M45 |
References
Similar Threats
- High CVE-2023-22465
- Unknown MAL-2022-3701
Exploit Protection
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