CVE-2020-28169
Fluentd td-agent-builder Power User Privilege Escalation
Description
The td-agent-builder plugin before 2020-12-18 for Fluentd allows attackers to gain privileges because the bin directory is writable by a user account, but a file in bin is executed as NT AUTHORITY\SYSTEM.
INFO
Published Date :
Dec. 24, 2020, 3:15 p.m.
Last Modified :
April 5, 2022, 4:04 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
5.9
Exploitability Score :
1.0
Public PoC/Exploit Available at Github
CVE-2020-28169 has a 3 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
Affected Products
The following products are affected by CVE-2020-28169
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
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-2020-28169.
| URL | Resource |
|---|---|
| http://packetstormsecurity.com/files/160791/Fluentd-TD-agent-4.0.1-Insecure-Folder-Permission.html | Exploit Third Party Advisory VDB Entry |
| https://docs.fluentd.org/installation/install-by-msi | Product Vendor Advisory |
| https://github.com/fluent-plugins-nursery/td-agent-builder/pull/247/commits/6f9cb6393392d62caa99907c0ebbcbab6b94a3f1 | Patch Third Party Advisory |
| https://github.com/fluent/fluentd/issues/3201 | Exploit Issue Tracking Third Party Advisory |
| https://github.com/kenhys/td-agent-builder/commit/eec6e2dedf12f2e0c01c2bbe7b8c15b639b3b938 | Patch Third Party Advisory |
| https://td-agent-package-browser.herokuapp.com/4/windows | Third Party Advisory |
| https://www.debian.org/security/2021/dsa-4949 | Third Party Advisory |
| https://www.fluentd.org/ | Vendor Advisory |
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).
None
None
Insecure Folder permission that lead to privilege escalation
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-28169 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-28169 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 [email protected]
May. 14, 2024
Action Type Old Value New Value -
Modified Analysis by [email protected]
Apr. 05, 2022
Action Type Old Value New Value Changed Reference Type http://packetstormsecurity.com/files/160791/Fluentd-TD-agent-4.0.1-Insecure-Folder-Permission.html No Types Assigned http://packetstormsecurity.com/files/160791/Fluentd-TD-agent-4.0.1-Insecure-Folder-Permission.html Exploit, Third Party Advisory, VDB Entry Changed Reference Type https://github.com/fluent/fluentd/issues/3201 Exploit, Third Party Advisory https://github.com/fluent/fluentd/issues/3201 Exploit, Issue Tracking, Third Party Advisory Changed Reference Type https://github.com/fluent-plugins-nursery/td-agent-builder/pull/247/commits/6f9cb6393392d62caa99907c0ebbcbab6b94a3f1 No Types Assigned https://github.com/fluent-plugins-nursery/td-agent-builder/pull/247/commits/6f9cb6393392d62caa99907c0ebbcbab6b94a3f1 Patch, Third Party Advisory Changed Reference Type https://www.debian.org/security/2021/dsa-4949 No Types Assigned https://www.debian.org/security/2021/dsa-4949 Third Party Advisory Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Aug. 05, 2021
Action Type Old Value New Value Added Reference https://www.debian.org/security/2021/dsa-4949 [No Types Assigned] -
CVE Modified by [email protected]
Jan. 05, 2021
Action Type Old Value New Value Added Reference http://packetstormsecurity.com/files/160791/Fluentd-TD-agent-4.0.1-Insecure-Folder-Permission.html [No Types Assigned] -
CVE Modified by [email protected]
Dec. 29, 2020
Action Type Old Value New Value Added Reference https://github.com/fluent-plugins-nursery/td-agent-builder/pull/247/commits/6f9cb6393392d62caa99907c0ebbcbab6b94a3f1 [No Types Assigned] -
Initial Analysis by [email protected]
Dec. 28, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:L/AC:M/Au:N/C:C/I:C/A:C) Added CVSS V3.1 NIST AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://docs.fluentd.org/installation/install-by-msi No Types Assigned https://docs.fluentd.org/installation/install-by-msi Product, Vendor Advisory Changed Reference Type https://github.com/fluent/fluentd/issues/3201 No Types Assigned https://github.com/fluent/fluentd/issues/3201 Exploit, Third Party Advisory Changed Reference Type https://github.com/kenhys/td-agent-builder/commit/eec6e2dedf12f2e0c01c2bbe7b8c15b639b3b938 No Types Assigned https://github.com/kenhys/td-agent-builder/commit/eec6e2dedf12f2e0c01c2bbe7b8c15b639b3b938 Patch, Third Party Advisory Changed Reference Type https://td-agent-package-browser.herokuapp.com/4/windows No Types Assigned https://td-agent-package-browser.herokuapp.com/4/windows Third Party Advisory Changed Reference Type https://www.fluentd.org/ No Types Assigned https://www.fluentd.org/ Vendor Advisory Added CWE NIST CWE-732 Added CPE Configuration AND OR *cpe:2.3:a:td-agent-builder_project:td-agent-builder:*:*:*:*:*:fluentd:*:* versions up to (excluding) 2020-12-18 OR cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-28169 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-2020-28169
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.24 }} 0.07%
score
0.61671
percentile