CVE-2020-8162

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.

CVSS v3 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:P/A:N

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	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

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:rubyonrails:rails::::::::
	cpe:2.3:a:rubyonrails:rails::::::::

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

History

No history.

Information

Published : 2020-06-19 17:15

Updated : 2022-05-24 16:15

NVD link : CVE-2020-8162

Mitre link : CVE-2020-8162

CVE.ORG link : CVE-2020-8162

JSON object : View

Products Affected

debian

debian_linux

rubyonrails

rails

CWE

CWE-434

Unrestricted Upload of File with Dangerous Type

CWE-602

Client-Side Enforcement of Server-Side Security

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