CVE-2024-23323
Excessive CPU usage when URI template matcher is configured using regex in Envoy
Description
Envoy is a high-performance edge/middle/service proxy. The regex expression is compiled for every request and can result in high CPU usage and increased request latency when multiple routes are configured with such matchers. This issue has been addressed in released 1.29.1, 1.28.1, 1.27.3, and 1.26.7. Users are advised to upgrade. There are no known workarounds for this vulnerability.
INFO
Published Date :
Feb. 9, 2024, 11:15 p.m.
Last Modified :
Nov. 21, 2024, 8:57 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Upgrade Envoy to version 1.29.1, 1.28.1, 1.27.3, or 1.26.7 or later.
- Update the ecs-service-connect-agent.
- Upgrade HashiCorp Consul to the latest version.
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-2024-23323.
| URL | Resource |
|---|---|
| https://github.com/envoyproxy/envoy/commit/71eeee8f0f0132f39e402b0ee23b361ee2f4e645 | Patch Vendor Advisory |
| https://github.com/envoyproxy/envoy/security/advisories/GHSA-x278-4w4x-r7ch | Vendor Advisory |
| https://github.com/envoyproxy/envoy/commit/71eeee8f0f0132f39e402b0ee23b361ee2f4e645 | Patch Vendor Advisory |
| https://github.com/envoyproxy/envoy/security/advisories/GHSA-x278-4w4x-r7ch | Vendor Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2024-23323 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-2024-23323
weaknesses.
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-2024-23323 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2024-23323 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 af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://github.com/envoyproxy/envoy/commit/71eeee8f0f0132f39e402b0ee23b361ee2f4e645 Added Reference https://github.com/envoyproxy/envoy/security/advisories/GHSA-x278-4w4x-r7ch -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Feb. 15, 2024
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:L Changed Reference Type https://github.com/envoyproxy/envoy/commit/71eeee8f0f0132f39e402b0ee23b361ee2f4e645 No Types Assigned https://github.com/envoyproxy/envoy/commit/71eeee8f0f0132f39e402b0ee23b361ee2f4e645 Patch, Vendor Advisory Changed Reference Type https://github.com/envoyproxy/envoy/security/advisories/GHSA-x278-4w4x-r7ch No Types Assigned https://github.com/envoyproxy/envoy/security/advisories/GHSA-x278-4w4x-r7ch Vendor Advisory Added CWE NIST CWE-400 Added CPE Configuration OR *cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:* versions from (including) 1.26.0 up to (excluding) 1.26.7 *cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:* versions from (including) 1.27.0 up to (excluding) 1.27.3 *cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:* versions from (including) 1.28.0 up to (excluding) 1.28.1 *cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:* versions from (including) 1.29.0 up to (excluding) 1.29.1 -
CVE Received by [email protected]
Feb. 09, 2024
Action Type Old Value New Value Added Description Envoy is a high-performance edge/middle/service proxy. The regex expression is compiled for every request and can result in high CPU usage and increased request latency when multiple routes are configured with such matchers. This issue has been addressed in released 1.29.1, 1.28.1, 1.27.3, and 1.26.7. Users are advised to upgrade. There are no known workarounds for this vulnerability. Added Reference GitHub, Inc. https://github.com/envoyproxy/envoy/security/advisories/GHSA-x278-4w4x-r7ch [No types assigned] Added Reference GitHub, Inc. https://github.com/envoyproxy/envoy/commit/71eeee8f0f0132f39e402b0ee23b361ee2f4e645 [No types assigned] Added CWE GitHub, Inc. CWE-1176 Added CWE GitHub, Inc. CWE-400 Added CVSS V3.1 GitHub, Inc. AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Vulnerability Scoring Details
Base CVSS Score: 5.3
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.01 }} -0.00%
score
0.00982
percentile