What is CVE-2024-34362?

CVE-2024-34362 is a medium-severity vulnerability in Envoyproxy Envoy, classified under Use After Free. CVSS score: 5.9/10. Published 2024-06-04.

How severe is CVE-2024-34362?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Use After Free in Envoyproxy Envoy

CVE-2024-34362

Envoy is a cloud-native, open source edge and service proxy. There is a use-after-free in `HttpConnectionManager` (HCM) with `EnvoyQuicServerStream` that can crash Envoy. An attacker can exploit this vulnerability by sending a request without `FIN`, then a `RESET_STREAM` frame, and then after receiving the response, closing the connection.

Vulnerability class: Use-After-Free

EPSS: 0.006 (44.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Envoyproxy Envoy — versions >= 1.30.0, <= 11.30.1, >= 1.29.0, <= 1.29.4, >= 1.28.0, <= 1.28.3

Weakness classification (CWE)

CWE-416 — Use After Free

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2024-34362?: CVE-2024-34362 is a medium-severity vulnerability in Envoyproxy Envoy, classified under Use After Free. CVSS score: 5.9/10. Published 2024-06-04.
How severe is CVE-2024-34362?: Medium severity. CVSS v3 base score is 5.9 out of 10.