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CVE-2020-8163

HIGH

Remote code execution via user-provided local names in ActionView

Published July 7, 2020Updated February 16, 2024Source: osv

Summary

The is a code injection vulnerability in versions of Rails prior to 5.0.1 that would allow an attacker who controlled the `locals` argument of a `render` call to perform a RCE.

Remediation

Upgrade to the fixed version using your package manager.

Bundler
Update actionview to 4.2.11.3 or later
gem install actionview -v 4.2.11.3

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (1)

PackageEcosystemAffectedFixed In
actionview
rubygems
4.1.0, 4.1.0.beta1, 4.1.0.beta2, 4.1.0.rc1 (+74 more)4.2.11.3

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 8.8 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

Frequently Asked Questions

What is CVE-2020-8163?
Remote code execution via user-provided local names in ActionView This vulnerability has been assigned a severity rating of HIGH (CVSS score: 8.8/10).
How do I check if my project is affected by CVE-2020-8163?
CVE-2020-8163 affects actionview. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2020-8163 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
8.8

High exploitability or significant impact. Prioritize remediation within days.

Also Known As

GHSA-cr3x-7m39-c6jq
BIT-rails-2020-8163

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