UBUNTU-CVE-2020-8159

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Source
https://ubuntu.com/security/CVE-2020-8159
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-8159.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2020-8159
Upstream
Published
2020-05-12T13:15:00Z
Modified
2025-09-08T16:45:59Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

There is a vulnerability in actionpack_page-caching gem < v1.2.1 that allows an attacker to write arbitrary files to a web server, potentially resulting in remote code execution if the attacker can write unescaped ERB to a view.

References

Affected packages

Ubuntu:Pro:16.04:LTS / ruby-actionpack-page-caching

Package

Name
ruby-actionpack-page-caching
Purl
pkg:deb/ubuntu/ruby-actionpack-page-caching@1.0.2-4?arch=source&distro=esm-apps/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.0.2-3
1.0.2-4

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.0.2-4",
            "binary_name": "ruby-actionpack-page-caching"
        }
    ]
}

Ubuntu:Pro:18.04:LTS / ruby-actionpack-page-caching

Package

Name
ruby-actionpack-page-caching
Purl
pkg:deb/ubuntu/ruby-actionpack-page-caching@1.0.2-4?arch=source&distro=esm-apps/bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.0.2-4

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.0.2-4",
            "binary_name": "ruby-actionpack-page-caching"
        }
    ]
}

Ubuntu:Pro:20.04:LTS / ruby-actionpack-page-caching

Package

Name
ruby-actionpack-page-caching
Purl
pkg:deb/ubuntu/ruby-actionpack-page-caching@1.1.0-1?arch=source&distro=esm-apps/focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.1.0-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.1.0-1",
            "binary_name": "ruby-actionpack-page-caching"
        }
    ]
}