CVE Vulnerability

CVE-2022-39271

Traefik (pronounced traffic) is a modern HTTP reverse proxy and load balancer that assists in deploying microservices. There is a potential vulnerability in Traefik managing HTTP/2 connections. A closing HTTP/2 server connection could hang forever because of a subsequent fatal error. This failure mode could be exploited to cause a denial of service. There has been a patch released in versions 2.8.8 and 2.9.0-rc5. There are currently no known workarounds.

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://github.com/traefik/traefik/releases/tag/v2.8.8 Release Notes Third Party Advisory
https://github.com/traefik/traefik/security/advisories/GHSA-c6hx-pjc3-7fqr Patch Third Party Advisory
https://github.com/traefik/traefik/releases/tag/v2.9.0-rc5 Release Notes Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:traefik:traefik:*:*:*:*:*:*:*:*
cpe:2.3:a:traefik:traefik:2.9.0:rc1:*:*:*:*:*:*
cpe:2.3:a:traefik:traefik:2.9.0:rc2:*:*:*:*:*:*
cpe:2.3:a:traefik:traefik:2.9.0:rc3:*:*:*:*:*:*
cpe:2.3:a:traefik:traefik:2.9.0:rc4:*:*:*:*:*:*
Information

Published : 2022-10-11 02:15

Updated : 2022-10-13 04:39

NVD link : CVE-2022-39271

Mitre link : CVE-2022-39271

Products Affected
No products.
CWE
CWE-400