CVE-2022-39271
Traefik HTTP/2 Connection Hang Vulnerability
Description
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.
INFO
Published Date :
Oct. 11, 2022, 2:15 p.m.
Last Modified :
July 14, 2023, 6:17 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2022-39271.
| URL | Resource |
|---|---|
| https://github.com/traefik/traefik/releases/tag/v2.8.8 | Release Notes Third Party Advisory |
| https://github.com/traefik/traefik/releases/tag/v2.9.0-rc5 | Release Notes Third Party Advisory |
| https://github.com/traefik/traefik/security/advisories/GHSA-c6hx-pjc3-7fqr | Patch Third Party Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2022-39271 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2022-39271 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Reanalysis by [email protected]
Jul. 14, 2023
Action Type Old Value New Value Added CWE NIST CWE-755 -
Initial Analysis by [email protected]
Oct. 13, 2022
Action Type Old Value New Value Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://github.com/traefik/traefik/releases/tag/v2.8.8 No Types Assigned https://github.com/traefik/traefik/releases/tag/v2.8.8 Release Notes, Third Party Advisory Changed Reference Type https://github.com/traefik/traefik/releases/tag/v2.9.0-rc5 No Types Assigned https://github.com/traefik/traefik/releases/tag/v2.9.0-rc5 Release Notes, Third Party Advisory Changed Reference Type https://github.com/traefik/traefik/security/advisories/GHSA-c6hx-pjc3-7fqr No Types Assigned https://github.com/traefik/traefik/security/advisories/GHSA-c6hx-pjc3-7fqr Patch, Third Party Advisory Added CPE Configuration OR *cpe:2.3:a:traefik:traefik:*:*:*:*:*:*:*:* versions up to (excluding) 2.8.8 *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:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2022-39271 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2022-39271
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.08 }} 0.00%
score
0.36082
percentile