Arbitrary File Write Vulnerability in Actionpack Page-Caching Gem from Ruby
CVE-2020-8159

9.8CRITICAL

Key Information:

Vendor

Rubyonrails

Status
Https://github.com/rails/actionpack-page Caching
Vendor
CVE Published:
12 May 2020

What is CVE-2020-8159?

A vulnerability exists in the Actionpack Page-Caching gem prior to version 1.2.1 that enables attackers to write arbitrary files on the web server. This can lead to serious security issues, including the potential for remote code execution if an attacker manages to write unescaped ERB content to a view. It highlights the importance of keeping software dependencies updated and maintaining robust security practices.

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Deploy the Patch

Affected Version(s)

https://github.com/rails/actionpack-page_caching v1.2.1

References

https://groups.google.com/forum/#%21topic/rubyonrails-sec...
x_refsource_MISC
https://lists.debian.org/debian-lts-announce/2021/07/msg0...
mailing-listx_refsource_MLIST

EPSS Score

5% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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