UBUNTU-CVE-2021-28940

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Source
https://ubuntu.com/security/CVE-2021-28940
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-28940.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2021-28940
Upstream
Published
2021-04-02T20:15:00Z
Modified
2025-10-24T04:50:15Z
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

Because of a incorrect escaped exec command in MagpieRSS in 0.72 in the /extlib/Snoopy.class.inc file, it is possible to add a extra command to the curl binary. This creates an issue on the /scripts/magpiedebug.php and /scripts/magpiesimple.php page that if you send a specific https url in the RSS URL field, you are able to execute arbitrary commands.

References

Affected packages

Ubuntu:16.04:LTS / magpierss

Package

Name
magpierss
Purl
pkg:deb/ubuntu/magpierss@0.72-10ubuntu1?arch=source&distro=xenial

Affected ranges

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

Affected versions

0.*
0.72-10
0.72-10ubuntu1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "0.72-10ubuntu1",
            "binary_name": "libphp-magpierss"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-28940.json"

Ubuntu:18.04:LTS / magpierss

Package

Name
magpierss
Purl
pkg:deb/ubuntu/magpierss@0.72-11?arch=source&distro=bionic

Affected ranges

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

Affected versions

0.*
0.72-11

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "0.72-11",
            "binary_name": "libphp-magpierss"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-28940.json"

Ubuntu:20.04:LTS / magpierss

Package

Name
magpierss
Purl
pkg:deb/ubuntu/magpierss@0.72-11?arch=source&distro=focal

Affected ranges

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

Affected versions

0.*
0.72-11

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "0.72-11",
            "binary_name": "libphp-magpierss"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-28940.json"