Input validation error in envoy - CVE-2023-27493
Published: April 5, 2023 / Updated: April 6, 2023
Vulnerability identifier: #VU74475
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2023-27493
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Cloud Native Computing Foundation
Affected software:
envoy
envoy
Detailed vulnerability description
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to the affected application does not sanitize or escape request properties when generating request headers. A remote attacker can cause request smuggling and bypass of security policies.
How to mitigate CVE-2023-27493
Install updates from vendor's website.
Sources
- https://github.com/envoyproxy/envoy/security/advisories/GHSA-w5w5-487h-qv8q
- https://github.com/envoyproxy/envoy/releases/tag/v1.25.4
- https://github.com/envoyproxy/envoy/releases/tag/v1.24.5
- https://github.com/envoyproxy/envoy/releases/tag/v1.23.7
- https://github.com/envoyproxy/envoy/releases/tag/v1.22.10