Envoy up to 1.12.4/1.13.2/1.14.2 File Descriptor resource consumption
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.8 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Envoy up to 1.12.4/1.13.2/1.14.2. It has been declared as critical. This issue affects some unknown processing of the component File Descriptor Handler. The manipulation results in resource consumption. This vulnerability is known as CVE-2020-8663. It is possible to launch the attack remotely. No exploit is available.
Details
A vulnerability classified as critical has been found in Envoy up to 1.12.4/1.13.2/1.14.2. Affected is some unknown processing of the component File Descriptor Handler. The manipulation with an unknown input leads to a resource consumption vulnerability. CWE is classifying the issue as CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:
Envoy version 1.14.2, 1.13.2, 1.12.4 or earlier may exhaust file descriptors and/or memory when accepting too many connections.
The weakness was published 07/01/2020 (GitHub Repository). The advisory is available at github.com. This vulnerability is traded as CVE-2020-8663 since 02/06/2020. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
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Product
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.4VulDB Meta Temp Score: 7.1
VulDB Base Score: 7.3
VulDB Temp Score: 6.8
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.5
NVD Vector: 🔍
CVSSv2
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Resource consumptionCWE: CWE-400 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
02/06/2020 🔍07/01/2020 🔍
07/02/2020 🔍
10/28/2020 🔍
Sources
Advisory: github.comStatus: Not defined
Confirmation: 🔍
CVE: CVE-2020-8663 (🔍)
GCVE (CVE): GCVE-0-2020-8663
GCVE (VulDB): GCVE-100-157590
Entry
Created: 07/02/2020 16:02Updated: 10/28/2020 14:45
Changes: 07/02/2020 16:02 (36), 07/02/2020 16:07 (17), 10/28/2020 14:45 (1)
Complete: 🔍
Cache ID: 216::103
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