GitHub Advisory DatabaseGHSA-3HW2-H67C-WQ66Uncontrolled Recursion in Akka HTTP
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
Percentile
93.9%
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.
Affected configurations
| Vendor | Product | Version | CPE |
|---|---|---|---|
| com.typesafe.akka | akka-http | * | cpe:2.3:a:com.typesafe.akka:akka-http:*:*:*:*:*:*:*:* |
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
Related
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
Percentile
93.9%