CVE-2021-42697

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 99%
VendorProductVersion
akkahttp_server
10.1.0 ≤
𝑥
< 10.1.15
akkahttp_server
10.2.0 ≤
𝑥
< 10.2.7
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
http://packetstormsecurity.com/files/167018/Akka-HTTP-10.1.14-Denial-Of-Service.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
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://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
https://doc.akka.io/docs/akka-http/current/security/2021-CVE-2021-42697-stack-overflow-parsing-user-agent.html