Medium severity · published Jun 4, 2024
CVE-2024-34364
Envoy OOM vector from HTTP async client with unbounded response buffer for mirror response
6.5
CVSS
0.5%
EPSS
No
On KEV
Description
Envoy is a cloud-native, open source edge and service proxy. Envoy exposed an out-of-memory (OOM) vector from the mirror response, since async HTTP client will buffer the response with an unbounded buffer.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 41% 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
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-34364
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-34364
Exploit
https://github.com/envoyproxy/envoy/security/advisories/GHSA-xcj3-h7vf-fw26
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