DEBIAN-CVE-2021-40084

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Source
https://security-tracker.debian.org/tracker/CVE-2021-40084
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-40084.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2021-40084
Upstream
Published
2021-08-25T01:15:12.957Z
Modified
2025-11-20T10:15:45.927735Z
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
Summary
[none]
Details

opensysusers through 0.6 does not safely use eval on files in sysusers.d that may contain shell metacharacters. For example, it allows command execution via a crafted GECOS field whereas systemd-sysusers (a program with the same specification) does not do that.

References

Affected packages

Debian:11 / opensysusers

Package

Name
opensysusers
Purl
pkg:deb/debian/opensysusers?arch=source

Affected ranges

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

Affected versions

0.*

0.6-2
0.6-3
0.7-1
0.7.2-1
0.7.3-1
0.7.3-2
0.7.3-2+hurd.1
0.7.3-2+hurd.2
0.7.3-2+hurd.3
0.7.3-2+hurd.4
0.7.3-3
0.7.3-4
0.7.3-4.1
0.7.3-4.1+hurd.1
0.7.3-5
0.7.3-5.1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:12 / opensysusers

Package

Name
opensysusers
Purl
pkg:deb/debian/opensysusers?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.6-3

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:13 / opensysusers

Package

Name
opensysusers
Purl
pkg:deb/debian/opensysusers?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.6-3

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:14 / opensysusers

Package

Name
opensysusers
Purl
pkg:deb/debian/opensysusers?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.6-3

Ecosystem specific 

{
    "urgency": "not yet assigned"
}