Vulnerability · Published Feb 9, 2024 · Assigned by GitHub_M
CVE-2024-23323Excessive CPU usage when URI template matcher is configured using regex in Envoy
Medium 4.3
In plain English
A medium-severity uncontrolled resource consumption in envoy from envoyproxy. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 43% of all known vulnerabilities).
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| envoyproxy | envoy | >= 1.29.0, < 1.29.1>= 1.28.0, < 1.28.1>= 1.27.0, < 1.27.3< 1.26.7 |
Weakness: CWE-400, CWE-1176 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L