CVE-2020-12603
envoy: Resource exhaustion when proxying HTTP/2 requests or responses with small data frames
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
Envoy version 1.14.2, 1.13.2, 1.12.4 or earlier may consume excessive amounts of memory when proxying HTTP/2 requests or responses with many small (i.e. 1 byte) data frames.
Envoy versiones 1.14.2, 1.13.2, 1.12.4 o anteriores, puede consumir cantidades excesivas de memoria al hacer proxy de peticiones o respuestas HTTP/2 con muchas tramas de datos pequeños (es decir, 1 byte)
A flaw was found in Envoy in versions through 1.14.1. An excessive amount of memory may be consumed when proxying HTTP/2 requests and responses that contain many small (e.g. 1 byte) data frames. The highest threat from this vulnerability is to system availability.
*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
- 2020-05-01 CVE Reserved
- 2020-07-01 CVE Published
- 2023-03-17 EPSS Updated
- 2024-08-04 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-400: Uncontrolled Resource Consumption
CAPEC
References (4)
| URL | Tag | Source |
|---|---|---|
| https://github.com/envoyproxy/envoy-setec/issues/80 | Broken Link | |
| https://github.com/envoyproxy/envoy/security/advisories/GHSA-pc38-4q6c-85p6 | Third Party Advisory |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2020-12603 | 2020-07-07 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1844251 | 2020-07-07 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Envoyproxy Search vendor "Envoyproxy" | Envoy Search vendor "Envoyproxy" for product "Envoy" | <= 1.12.4 Search vendor "Envoyproxy" for product "Envoy" and version " <= 1.12.4" | - |
Affected
| ||||||
| Envoyproxy Search vendor "Envoyproxy" | Envoy Search vendor "Envoyproxy" for product "Envoy" | 1.13.2 Search vendor "Envoyproxy" for product "Envoy" and version "1.13.2" | - |
Affected
| ||||||
| Envoyproxy Search vendor "Envoyproxy" | Envoy Search vendor "Envoyproxy" for product "Envoy" | 1.14.2 Search vendor "Envoyproxy" for product "Envoy" and version "1.14.2" | - |
Affected
| ||||||