Medium severity · published Jun 4, 2024
CVE-2024-34362
Envoy affected by a crash (use-after-free) in EnvoyQuicServerStream
5.9
CVSS
0.6%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 48% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EN
envoy · envoyproxy
>= 1.30.0, <= 11.30.1; >= 1.29.0, <= 1.29.4; >= 1.28.0, <= 1.28.3; <= 1.27.5 · source: vendor, NVD, CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-34362
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-34362
Exploit
https://github.com/envoyproxy/envoy/security/advisories/GHSA-hww5-43gv-35jv
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