Improper Validation Affecting activestorage package, versions <5.2.4.3>=6.0.0, <6.0.3.1


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Not Defined
EPSS
0.1% (42nd percentile)

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  • Snyk IDSNYK-RUBY-ACTIVESTORAGE-569602
  • published19 May 2020
  • disclosed19 May 2020
  • creditUnknown

Introduced: 19 May 2020

CVE-2020-8162  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade activestorage to version 5.2.4.3, 6.0.3.1 or higher.

Overview

Affected versions of this package are vulnerable to Improper Validation. Utilizing this vulnerability, an attacker can control the Content-Length of an S3 direct upload URL without receiving a new signature from the server. This could be used to bypass controls in place on the server to limit upload size.

CVSS Scores

version 3.1