Vulnerabilities > CVE-2021-42697 - Unspecified vulnerability in Akka Http Server

CVSS 5.0 - MEDIUM

Attack vector

NETWORK

Attack complexity

LOW

Privileges required

NONE

Confidentiality impact

NONE

Integrity impact

NONE

Availability impact

PARTIAL

network

low complexity

akka

NVD

Published: 2021-11-02

Updated: 2022-06-13

Summary

Akka HTTP 10.1.x before 10.1.15 and 10.2.x before 10.2.7 can encounter stack exhaustion while parsing HTTP headers, which allows a remote attacker to conduct a Denial of Service attack by sending a User-Agent header with deeply nested comments.

Vulnerable Configurations

Part	Description	Count
Application	Akka Akka Http Server 10.2.0 Akka Http Server 10.2.1 Akka Http Server 10.2.2 Akka Http Server 10.2.3 Akka Http Server 10.2.4 Akka Http Server 10.2.5 Akka Http Server 10.2.6 Akka Http Server *	8

References

https://doc.akka.io/docs/akka-http/current/security/2021-CVE-2021-42697-stack-overflow-parsing-user-agent.html
https://akka.io/blog/
https://akka.io/blog/news/2021/11/02/akka-http-10.2.7-released
https://akka.io/blog/news/2021/11/22/akka-http-10.1.15-released
http://packetstormsecurity.com/files/167018/Akka-HTTP-10.1.14-Denial-Of-Service.html