akka/akka-http · Security
Uncontrolled Recursion in Akka HTTP
- GHSA ID
- GHSA-3hw2-h67c-wq66
- CVE ID
- CVE-2021-42697
- Severity
- high
- Published
- Updated
- CVSS
- 7.5 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS v3
- 7.5 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Description
Akka HTTP 10.1.x 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.
CWEs
- CWE-674 · Uncontrolled Recursion
- CWE-787 · Out-of-bounds Write
References
- https://nvd.nist.gov/vuln/detail/CVE-2021-42697 ↗
- 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 ↗
- https://doc.akka.io/docs/akka-http/current/security/2021-CVE-2021-42697-stack-overflow-parsing-user-agent.html ↗
- http://packetstormsecurity.com/files/167018/Akka-HTTP-10.1.14-Denial-Of-Service.html ↗
- https://github.com/akka/akka-http/pull/3924 ↗
- https://akka.io/blog ↗
- https://github.com/advisories/GHSA-3hw2-h67c-wq66 ↗