Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

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.

Published

2020-06-19T17:15:18.583

Last Modified

2024-11-21T05:38:24.787

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: PARTIAL
Availability Impact: NONE

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Secondary
CWE-602
Type: Primary
CWE-434

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	rubyonrails	rails	< 5.2.4.2	Yes
Application	rubyonrails	rails	< 6.0.3.1	Yes
Operating System	debian	debian_linux	10.0	Yes

References

https://groups.google.com/g/rubyonrails-security/c/PjU3946mreQ Mailing List, Patch, Third Party Advisory ([email protected])
https://hackerone.com/reports/789579 Exploit, Third Party Advisory ([email protected])
https://www.debian.org/security/2020/dsa-4766 Third Party Advisory ([email protected])
https://groups.google.com/g/rubyonrails-security/c/PjU3946mreQ Mailing List, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://hackerone.com/reports/789579 Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.debian.org/security/2020/dsa-4766 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)