CVE-2020-8162
Amazon S3 Rails ActiveStorage Direct File Upload Size Manipulation Vulnerability
Description
A client side enforcement of server side security vulnerability exists in rails < 5.2.4.2 and rails < 6.0.3.1 ActiveStorage's S3 adapter that allows the Content-Length of a direct file upload to be modified by an end user bypassing upload limits.
INFO
Published Date :
June 19, 2020, 5:15 p.m.
Last Modified :
May 24, 2022, 4:15 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
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-2020-8162.
| URL | Resource |
|---|---|
| https://groups.google.com/g/rubyonrails-security/c/PjU3946mreQ | Mailing List Patch Third Party Advisory |
| https://hackerone.com/reports/789579 | Exploit Third Party Advisory |
| https://www.debian.org/security/2020/dsa-4766 | Third Party 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).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-8162 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-8162 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]
May. 24, 2022
Action Type Old Value New Value Changed Reference Type https://www.debian.org/security/2020/dsa-4766 No Types Assigned https://www.debian.org/security/2020/dsa-4766 Third Party Advisory Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Sep. 25, 2020
Action Type Old Value New Value Added Reference https://www.debian.org/security/2020/dsa-4766 [No Types Assigned] -
Initial Analysis by [email protected]
Jun. 24, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:P/A:N) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N Changed Reference Type https://groups.google.com/g/rubyonrails-security/c/PjU3946mreQ No Types Assigned https://groups.google.com/g/rubyonrails-security/c/PjU3946mreQ Mailing List, Patch, Third Party Advisory Changed Reference Type https://hackerone.com/reports/789579 No Types Assigned https://hackerone.com/reports/789579 Exploit, Third Party Advisory Added CWE NIST CWE-434 Added CPE Configuration OR *cpe:2.3:a:rubyonrails:rails:*:*:*:*:*:*:*:* versions up to (excluding) 5.2.4.2 *cpe:2.3:a:rubyonrails:rails:*:*:*:*:*:*:*:* versions from (including) 6.0.0 up to (excluding) 6.0.3.1
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-8162 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-2020-8162
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.25 }} -0.10%
score
0.64941
percentile