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HTTP Request Smuggling in akka-http-core

Moderate severity GitHub Reviewed Published May 10, 2021 to the GitHub Advisory Database • Updated Feb 21, 2023

Package

maven com.typesafe.akka:akka-http-core (Maven)

Affected versions

>= 10.2.0, < 10.2.4
< 10.1.14

Patched versions

10.2.4
10.1.14

Description

A vulnerable Akka HTTP server will accept a malformed message and hand it over to the user. If the user application proxies this message to another server unchanged and that server also accepts that message but interprets it as two HTTP messages, the second message has reached the second server without having been inspected by the proxy.

References

Published by the National Vulnerability Database Feb 17, 2021
Reviewed Mar 19, 2021
Published to the GitHub Advisory Database May 10, 2021
Last updated Feb 21, 2023

Severity

Moderate
6.5
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Weaknesses

CVE ID

CVE-2021-23339

GHSA ID

GHSA-2w7w-2j92-44hx

Source code

No known source code

Credits

Checking history
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