CVE-2021-42697: Uncontrolled Recursion in Akka HTTP
(updated )
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.
References
- packetstormsecurity.com/files/167018/Akka-HTTP-10.1.14-Denial-Of-Service.html
- akka.io/blog/
- akka.io/blog/news/2021/11/02/akka-http-10.2.7-released
- akka.io/blog/news/2021/11/22/akka-http-10.1.15-released
- doc.akka.io/docs/akka-http/current/security/2021-CVE-2021-42697-stack-overflow-parsing-user-agent.html
- github.com/advisories/GHSA-3hw2-h67c-wq66
- nvd.nist.gov/vuln/detail/CVE-2021-42697
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