Improper Cleanup on Thrown Exception Affecting envoyproxy/envoy package, versions [,1.30.10)[1.31.0,1.31.6)[1.32.0,1.32.4)[1.33.0,1.33.1)
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- published28 Mar 2025
- disclosed21 Mar 2025
- creditVasilios Syrakis, Fernando Cainelli
Introduced: 21 Mar 2025
NewCVE-2025-30157 (opens in a new tab)Common Vulnerabilities and Exposures (CVE) are common identifiers for publicly known security vulnerabilities
Common Weakness Enumeration (CWE) is a category system for software weaknesses
How to fix?
Upgrade envoyproxy/envoy to version 1.30.10, 1.31.6, 1.32.4, 1.33.1 or higher.
Overview
Affected versions of this package are vulnerable to Improper Cleanup on Thrown Exception via the ext_proc filter due to the fail of a websocket handshake. An attacker can cause the service to crash by sending malformed or unexpected local replies.
Workaround
This can be mitigated by disabling websocket traffic or changing the websocket response from backend to always return 101 Switch protocol based on RFC.