CVE Vulnerability

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.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://doc.akka.io/docs/akka-http/current/security/2021-CVE-2021-42697-stack-overflow-parsing-user-agent.html Vendor Advisory
https://akka.io/blog/ Vendor Advisory
https://akka.io/blog/news/2021/11/02/akka-http-10.2.7-released Release Notes Vendor Advisory
https://akka.io/blog/news/2021/11/22/akka-http-10.1.15-released Release Notes Vendor Advisory
http://packetstormsecurity.com/files/167018/Akka-HTTP-10.1.14-Denial-Of-Service.html Exploit Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:akka:http_server:*:*:*:*:*:*:*:*
cpe:2.3:a:akka:http_server:*:*:*:*:*:*:*:*
Information

Published : 2021-11-02 10:15

Updated : 2022-06-13 03:41

NVD link : CVE-2021-42697

Mitre link : CVE-2021-42697

Products Affected
No products.
CWE
CWE-674

Uncontrolled Recursion