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.osv.dev/v1/vulns/UBUNTU-CVE-2020-8159
Upstream
Downstream
Related
Published
2020-05-12T13:15:00Z
Modified
2026-11-12T17:22:40Z
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?arch=source&distro=esm-apps-legacy%2Fxenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.0.2-4ubuntu0.16.04.1~esm1

Affected versions

1.*
1.0.2-3
1.0.2-4

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "ruby-actionpack-page-caching",
            "binary_version": "1.0.2-4ubuntu0.16.04.1~esm1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-8159.json"

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

Package

Name
ruby-actionpack-page-caching
Purl
pkg:deb/ubuntu/ruby-actionpack-page-caching?arch=source&distro=esm-apps%2Fbionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.0.2-4ubuntu0.18.04.1~esm1

Affected versions

1.*
1.0.2-4

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "ruby-actionpack-page-caching",
            "binary_version": "1.0.2-4ubuntu0.18.04.1~esm1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-8159.json"

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

Package

Name
ruby-actionpack-page-caching
Purl
pkg:deb/ubuntu/ruby-actionpack-page-caching?arch=source&distro=esm-apps%2Ffocal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.1.0-1ubuntu0.1~esm1

Affected versions

1.*
1.1.0-1

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "ruby-actionpack-page-caching",
            "binary_version": "1.1.0-1ubuntu0.1~esm1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-8159.json"