What is CVE-2023-27492 vulnerability?

CVE-2023-27492 is a vulnerability in Envoy that allows attackers to trigger crashes by sending large request bodies for routes that have the Lua filter enabled.

Which versions of Envoy are affected by CVE-2023-27492?

Envoy versions 1.22.9, 1.23.0 to 1.23.6, 1.24.0 to 1.24.4, and 1.25.0 to 1.25.3 are affected by CVE-2023-27492.

What is the severity of CVE-2023-27492?

The severity of CVE-2023-27492 is medium, with a CVSS score of 6.5.

How can I fix CVE-2023-27492 vulnerability?

To fix the CVE-2023-27492 vulnerability, update to Envoy versions 1.26.0, 1.25.3, 1.24.4, 1.23.6, or 1.22.9 or later.

Where can I find more information about CVE-2023-27492?

You can find more information about CVE-2023-27492 at the following references: [1] GitHub Advisory: https://github.com/envoyproxy/envoy/security/advisories/GHSA-wpc2-2jp6-ppg2 [2] Red Hat Security Advisory: https://access.redhat.com/errata/RHSA-2023:4623 [3] Red Hat CVE page: https://access.redhat.com/security/cve/cve-2023-27492

Vulnerability/
CVE-2023-27492

medium

6.5

CWE

770

16/3/2023

4/4/2023

2/8/2024

CVE-2023-27492: Envoy may crash when a large request body is processed in Lua filter

First published: Thu Mar 16 2023(Updated: )

Attackers can send large request bodies for routes that have Lua filter enabled and trigger crashes.

Credit: security-advisories@github.com

Affected Software	Affected Version	How to fix
Envoyproxy Envoy	<1.22.9
Envoyproxy Envoy	>=1.23.0<1.23.6
Envoyproxy Envoy	>=1.24.0<1.24.4
Envoyproxy Envoy	>=1.25.0<1.25.3

Never miss a vulnerability like this again

Reference Links

https://github.com/envoyproxy/envoy/security/advisories/GHSA-wpc2-2jp6-ppg2

Frequently Asked Questions

What is CVE-2023-27492 vulnerability?
CVE-2023-27492 is a vulnerability in Envoy that allows attackers to trigger crashes by sending large request bodies for routes that have the Lua filter enabled.
Which versions of Envoy are affected by CVE-2023-27492?
Envoy versions 1.22.9, 1.23.0 to 1.23.6, 1.24.0 to 1.24.4, and 1.25.0 to 1.25.3 are affected by CVE-2023-27492.
What is the severity of CVE-2023-27492?
The severity of CVE-2023-27492 is medium, with a CVSS score of 6.5.
How can I fix CVE-2023-27492 vulnerability?
To fix the CVE-2023-27492 vulnerability, update to Envoy versions 1.26.0, 1.25.3, 1.24.4, 1.23.6, or 1.22.9 or later.
Where can I find more information about CVE-2023-27492?
You can find more information about CVE-2023-27492 at the following references: [1] GitHub Advisory: https://github.com/envoyproxy/envoy/security/advisories/GHSA-wpc2-2jp6-ppg2 [2] Red Hat Security Advisory: https://access.redhat.com/errata/RHSA-2023:4623 [3] Red Hat CVE page: https://access.redhat.com/security/cve/cve-2023-27492

collector/nvd-index
agent/type
agent/first-publish-date
agent/softwarecombine
collector/redhat-bugzilla
source/Red Hat
alias/CVE-2023-27492
agent/references
agent/author
agent/weakness
collector/mitre-cve
source/MITRE
agent/title
agent/last-modified-date
agent/severity
agent/tags
agent/description
agent/event
vendor/envoyproxy
canonical/envoyproxy envoy
version/envoyproxy envoy/1.23.0
version/envoyproxy envoy/1.24.0
version/envoyproxy envoy/1.25.0

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co

By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.