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Deserialization of Untrusted Data Affecting activesupport package, versions <5.2.4.3 >=6.0.0, <6.0.3.1

0.0
high

Snyk CVSS

    Attack Complexity High
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    Exploit Maturity Mature
    EPSS 72.53% (99th percentile)
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NVD
9.8 critical
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SUSE
9.8 critical
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Red Hat
9.8 critical

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  • Snyk ID SNYK-RUBY-ACTIVESUPPORT-569598
  • published 19 May 2020
  • disclosed 19 May 2020
  • credit Unknown
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Introduced: 19 May 2020

CVE-2020-8165 Open this link in a new tab
CWE-502 Open this link in a new tab

How to fix?

Upgrade activesupport to version 5.2.4.3, 6.0.3.1 or higher.

Overview

activesupport is a toolkit of support libraries and Ruby core extensions extracted from the Rails framework.

Affected versions of this package are vulnerable to Deserialization of Untrusted Data via the MemCacheStore and RedisCacheStore. when untrusted user input is written to the cache store using the raw: true parameter, re-reading the result from the cache can evaluate the user input as a Marshalled object instead of plain text.