Fluent Bit up to 2.2.1 Form Content-Type null pointer dereference
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.4 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Fluent Bit up to 2.2.1 and classified as problematic. This affects an unknown part of the component Form Handler. Such manipulation of the argument Content-Type leads to null pointer dereference. This vulnerability is documented as CVE-2024-23722. There is not any exploit available. It is suggested to upgrade the affected component.
Details
A vulnerability, which was classified as problematic, has been found in Fluent Bit up to 2.2.1. Affected by this issue is an unknown code of the component Form Handler. The manipulation of the argument Content-Type with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is availability. CVE summarizes:
In Fluent Bit 2.1.8 through 2.2.1, a NULL pointer dereference can be caused via an invalid HTTP payload with the content type of x-www-form-urlencoded. It crashes and does not restart. This could result in logs not being delivered properly.
The advisory is shared for download at github.com. This vulnerability is handled as CVE-2024-23722 since 01/21/2024. There are known technical details, but no exploit is available.
The vulnerability scanner Nessus provides a plugin with the ID 214875 (Ubuntu 20.04 LTS / 24.10 : Netdata vulnerabilities (USN-7250-1)), which helps to determine the existence of the flaw in a target environment.
Upgrading to version 2.2.2 eliminates this vulnerability. The upgrade is hosted for download at github.com.
The vulnerability is also documented in the vulnerability database at Tenable (214875). Once again VulDB remains the best source for vulnerability data.
Product
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.5VulDB Meta Temp Score: 5.4
VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
CNA Base Score: 7.5
CNA Vector: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Null pointer dereferenceCWE: CWE-476 / 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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Nessus ID: 214875
Nessus Name: Ubuntu 20.04 LTS / 24.10 : Netdata vulnerabilities (USN-7250-1)
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Bit 2.2.2
Timeline
01/21/2024 🔍03/26/2024 🔍
03/26/2024 🔍
02/03/2025 🔍
Sources
Advisory: github.comStatus: Confirmed
CVE: CVE-2024-23722 (🔍)
GCVE (CVE): GCVE-0-2024-23722
GCVE (VulDB): GCVE-100-257996
Entry
Created: 03/26/2024 16:09Updated: 02/03/2025 11:20
Changes: 03/26/2024 16:09 (56), 08/07/2024 00:20 (13), 02/03/2025 11:20 (2)
Complete: 🔍
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.
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