Uncontrolled Recursion in Akka HTTP
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.
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describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2021-42697US | high7.5 | Exploit | ||
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 at… | ||||
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references
External citations — patches, advisories, analysis.
- http://packetstormsecurity.com/files/167018/Akka-HTTP-10.1.14-Denial-Of-Service.htmlWEB
- https://akka.io/blogWEB
- https://akka.io/blog/news/2021/11/02/akka-http-10.2.7-releasedWEB
- https://akka.io/blog/news/2021/11/22/akka-http-10.1.15-releasedWEB
- https://doc.akka.io/docs/akka-http/current/security/2021-CVE-2021-42697-stack-overflow-parsing-user-agent.htmlWEB
- https://github.com/akka/akka-httpPACKAGE
- https://github.com/akka/akka-http/pull/3924WEB
- https://nvd.nist.gov/vuln/detail/CVE-2021-42697ADVISORY
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