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.

CVSS v3 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3 : HIGH

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

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
http://packetstormsecurity.com/files/167018/Akka-HTTP-10.1.14-Denial-Of-Service.html	Exploit Third Party Advisory VDB Entry
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
https://doc.akka.io/docs/akka-http/current/security/2021-CVE-2021-42697-stack-overflow-parsing-user-agent.html	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:akka:http_server::::::::
	cpe:2.3:a:akka:http_server::::::::

History

No history.

Information

Published : 2021-11-02 22:15

Updated : 2024-02-28 18:48

NVD link : CVE-2021-42697

Mitre link : CVE-2021-42697

CVE.ORG link : CVE-2021-42697

JSON object : View

Products Affected

akka

http_server

CWE

CWE-674

Uncontrolled Recursion

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