Fluentd up to 1.14.1 Environment Variable parser_apache2.rb parser_apache2 resource consumption
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.7 | $0-$5k | 0.00 |
Summary
A vulnerability described as problematic has been identified in Fluentd up to 1.14.1. Affected is the function parser_apache2 of the file parser_apache2.rb of the component Environment Variable Handler. The manipulation results in resource consumption.
This vulnerability was named CVE-2021-41186. The attack may be performed from remote. There is no available exploit.
Upgrading the affected component is recommended.
Details
A vulnerability classified as problematic has been found in Fluentd up to 1.14.1. Affected is the function parser_apache2 of the file parser_apache2.rb of the component Environment Variable 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 availability.
The weakness was presented 10/29/2021 as GHSA-hwhf-64mh-r662. The advisory is available at github.com. This vulnerability is traded as CVE-2021-41186 since 09/15/2021. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.
Upgrading to version 1.14.2 eliminates this vulnerability. The upgrade is hosted for download at github.com.
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.7VulDB Meta Temp Score: 5.7
VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.5
NVD Vector: 🔍
CNA Base Score: 5.9
CNA Vector (GitHub, Inc.): 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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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 |
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| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Fluentd 1.14.2
Timeline
09/15/2021 🔍10/29/2021 🔍
10/29/2021 🔍
11/04/2021 🔍
Sources
Advisory: GHSA-hwhf-64mh-r662Status: Confirmed
Confirmation: 🔍
CVE: CVE-2021-41186 (🔍)
GCVE (CVE): GCVE-0-2021-41186
GCVE (VulDB): GCVE-100-185778
Entry
Created: 10/29/2021 19:37Updated: 11/04/2021 07:28
Changes: 10/29/2021 19:37 (52), 11/04/2021 07:15 (2), 11/04/2021 07:21 (18), 11/04/2021 07:28 (1)
Complete: 🔍
Cache ID: 216::103
If you want to get best quality of vulnerability data, you may have to visit VulDB.
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