CVE-2021-43787
Nodebb Prototype Pollution Vulnerability
Description
Nodebb is an open source Node.js based forum software. In affected versions a prototype pollution vulnerability in the uploader module allowed a malicious user to inject arbitrary data (i.e. javascript) into the DOM, theoretically allowing for an account takeover when used in conjunction with a path traversal vulnerability disclosed at the same time as this report. The vulnerability has been patched as of v1.18.5. Users are advised to upgrade as soon as possible.
INFO
Published Date :
Nov. 29, 2021, 8:15 p.m.
Last Modified :
Nov. 21, 2024, 6:29 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | CRITICAL | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] |
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-43787.
| URL | Resource |
|---|---|
| https://blog.sonarsource.com/nodebb-remote-code-execution-with-one-shot/ | Exploit Third Party Advisory |
| https://github.com/NodeBB/NodeBB/commit/1783f918bc19568f421473824461ff2ed7755e4c | Patch Third Party Advisory |
| https://github.com/NodeBB/NodeBB/releases/tag/v1.18.5 | Patch Release Notes Third Party Advisory |
| https://github.com/NodeBB/NodeBB/security/advisories/GHSA-wx69-rvg3-x7fc | Patch Third Party Advisory |
| https://blog.sonarsource.com/nodebb-remote-code-execution-with-one-shot/ | Exploit Third Party Advisory |
| https://github.com/NodeBB/NodeBB/commit/1783f918bc19568f421473824461ff2ed7755e4c | Patch Third Party Advisory |
| https://github.com/NodeBB/NodeBB/releases/tag/v1.18.5 | Patch Release Notes Third Party Advisory |
| https://github.com/NodeBB/NodeBB/security/advisories/GHSA-wx69-rvg3-x7fc | Patch Third Party Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-43787 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-43787
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-43787 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-43787 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://blog.sonarsource.com/nodebb-remote-code-execution-with-one-shot/ Added Reference https://github.com/NodeBB/NodeBB/commit/1783f918bc19568f421473824461ff2ed7755e4c Added Reference https://github.com/NodeBB/NodeBB/releases/tag/v1.18.5 Added Reference https://github.com/NodeBB/NodeBB/security/advisories/GHSA-wx69-rvg3-x7fc -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Modified Analysis by [email protected]
Oct. 27, 2022
Action Type Old Value New Value Changed Reference Type https://blog.sonarsource.com/nodebb-remote-code-execution-with-one-shot/ No Types Assigned https://blog.sonarsource.com/nodebb-remote-code-execution-with-one-shot/ Exploit, Third Party Advisory Added CWE NIST CWE-79 Added CWE NIST CWE-1321 -
CVE Modified by [email protected]
Sep. 13, 2022
Action Type Old Value New Value Added Reference https://blog.sonarsource.com/nodebb-remote-code-execution-with-one-shot/ [No Types Assigned] -
Initial Analysis by [email protected]
Nov. 30, 2021
Action Type Old Value New Value Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:N/I:P/A:N) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Changed Reference Type https://github.com/NodeBB/NodeBB/commit/1783f918bc19568f421473824461ff2ed7755e4c No Types Assigned https://github.com/NodeBB/NodeBB/commit/1783f918bc19568f421473824461ff2ed7755e4c Patch, Third Party Advisory Changed Reference Type https://github.com/NodeBB/NodeBB/releases/tag/v1.18.5 No Types Assigned https://github.com/NodeBB/NodeBB/releases/tag/v1.18.5 Patch, Release Notes, Third Party Advisory Changed Reference Type https://github.com/NodeBB/NodeBB/security/advisories/GHSA-wx69-rvg3-x7fc No Types Assigned https://github.com/NodeBB/NodeBB/security/advisories/GHSA-wx69-rvg3-x7fc Patch, Third Party Advisory Added CPE Configuration OR *cpe:2.3:a:nodebb:nodebb:*:*:*:*:*:*:*:* versions from (including) 1.15.5 up to (including) 1.18.4
Vulnerability Scoring Details
Base CVSS Score: 9
Base CVSS Score: 4.3
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.39 }} 0.02%
score
0.59303
percentile