UBUNTU-CVE-2020-36657

See a problem?
Please try reporting it to the source first.
Source
https://ubuntu.com/security/CVE-2020-36657
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-36657.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2020-36657
Related
Published
2023-01-26T21:15:00Z
Modified
2025-06-03T17:34:54Z
Severity
  • 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
  • 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

uptimed before 0.4.6-r1 on Gentoo allows local users (with access to the uptimed user account) to gain root privileges by creating a hard link within the /var/spool/uptimed directory, because there is an unsafe chown -R call.

References

Affected packages

Ubuntu:Pro:16.04:LTS / uptimed

Package

Name
uptimed
Purl
pkg:deb/ubuntu/uptimed@1:0.3.17-4?arch=source&distro=esm-apps/xenial

Affected ranges

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

Affected versions

1:0.*

1:0.3.17-4

Ecosystem specific 

{
    "ubuntu_priority": "medium"
}

Ubuntu:Pro:18.04:LTS / uptimed

Package

Name
uptimed
Purl
pkg:deb/ubuntu/uptimed@1:0.4.0+git20150923.6b22106-2?arch=source&distro=esm-apps/bionic

Affected ranges

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

Affected versions

1:0.*

1:0.4.0+git20150923.6b22106-1.1
1:0.4.0+git20150923.6b22106-2

Ecosystem specific 

{
    "ubuntu_priority": "medium"
}

Ubuntu:Pro:20.04:LTS / uptimed

Package

Name
uptimed
Purl
pkg:deb/ubuntu/uptimed@1:0.4.2-1?arch=source&distro=esm-apps/focal

Affected ranges

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

Affected versions

1:0.*

1:0.4.1-1
1:0.4.2-1

Ecosystem specific 

{
    "ubuntu_priority": "medium"
}

Ubuntu:22.04:LTS / uptimed

Package

Name
uptimed
Purl
pkg:deb/ubuntu/uptimed@1:0.4.6-3?arch=source&distro=jammy

Affected ranges

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

Affected versions

1:0.*

1:0.4.3-1
1:0.4.5-1
1:0.4.6-1
1:0.4.6-2
1:0.4.6-3

Ecosystem specific 

{
    "ubuntu_priority": "medium"
}

Ubuntu:24.10 / uptimed

Package

Name
uptimed
Purl
pkg:deb/ubuntu/uptimed@1:0.4.6-3?arch=source&distro=oracular

Affected ranges

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

Affected versions

1:0.*

1:0.4.6-3

Ecosystem specific 

{
    "ubuntu_priority": "medium"
}

Ubuntu:24.04:LTS / uptimed

Package

Name
uptimed
Purl
pkg:deb/ubuntu/uptimed@1:0.4.6-3?arch=source&distro=noble

Affected ranges

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

Affected versions

1:0.*

1:0.4.6-3

Ecosystem specific 

{
    "ubuntu_priority": "medium"
}

Ubuntu:25.04 / uptimed

Package

Name
uptimed
Purl
pkg:deb/ubuntu/uptimed@1:0.4.6-3.1?arch=source&distro=plucky

Affected ranges

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

Affected versions

1:0.*

1:0.4.6-3
1:0.4.6-3.1

Ecosystem specific 

{
    "ubuntu_priority": "medium"
}