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)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published28 Mar 2025
- disclosed21 Mar 2025
- creditVasilios Syrakis, Fernando Cainelli
Introduced: 21 Mar 2025
CVE-2025-30157 (opens in a new tab)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.