CVE-2020-8659
envoy: Excessive CPU and/or memory usage when proxying HTTP/1.1
Severity Score
7.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
CNCF Envoy through 1.13.0 may consume excessive amounts of memory when proxying HTTP/1.1 requests or responses with many small (i.e. 1 byte) chunks.
CNCF Envoy versiones hasta 1.13.0, puede consumir cantidades excesivas de memoria cuando se hace proxy a peticiones o respuestas HTTP/1.1 con muchos fragmentos pequeños (es decir, 1 byte).
A resource consumption vulnerability was found in the servicemesh-proxy in Envoy. An attacker could send specially crafted small HTTP/1.1 packets that, when processed, could cause excessive amounts of memory to be used, possibly degrading or crashing the application.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2020-02-06 CVE Reserved
- 2020-03-04 CVE Published
- 2024-06-28 EPSS Updated
- 2024-08-04 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-400: Uncontrolled Resource Consumption
- CWE-770: Allocation of Resources Without Limits or Throttling
CAPEC
References (6)
| URL | Tag | Source |
|---|---|---|
| https://github.com/envoyproxy/envoy/security/advisories/GHSA-jwcm-4pwp-c2qv | Third Party Advisory | |
| https://lists.debian.org/debian-lts-announce/2022/05/msg00025.html | Mailing List |
|
| https://www.envoyproxy.io/docs/envoy/v1.13.1/intro/version_history | Release Notes |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://access.redhat.com/errata/RHSA-2020:0734 | 2022-09-30 | |
| https://access.redhat.com/security/cve/CVE-2020-8659 | 2020-03-05 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1802539 | 2020-03-05 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Cncf Search vendor "Cncf" | Envoy Search vendor "Cncf" for product "Envoy" | <= 1.13.0 Search vendor "Cncf" for product "Envoy" and version " <= 1.13.0" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Openshift Service Mesh Search vendor "Redhat" for product "Openshift Service Mesh" | 1.0 Search vendor "Redhat" for product "Openshift Service Mesh" and version "1.0" | - |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 9.0 Search vendor "Debian" for product "Debian Linux" and version "9.0" | - |
Affected
| ||||||