UBUNTU-CVE-2021-38084

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Source
https://ubuntu.com/security/CVE-2021-38084
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-38084.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2021-38084
Related
Published
2021-08-03T22:15:00Z
Modified
2025-04-23T14:58:59Z
Severity
  • 8.1 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

An issue was discovered in the POP3 component of Courier Mail Server before 1.1.5. Meddler-in-the-middle attackers can pipeline commands after the POP3 STLS command, injecting plaintext commands into an encrypted user session.

References

Affected packages

Ubuntu:Pro:16.04:LTS / courier

Package

Name
courier
Purl
pkg:deb/ubuntu/courier@0.68.2-1ubuntu7?arch=source&distro=esm-apps/xenial

Affected ranges

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

Affected versions

0.*

0.68.2-1ubuntu5
0.68.2-1ubuntu6
0.68.2-1ubuntu7

Ecosystem specific 

{
    "ubuntu_priority": "medium"
}

Ubuntu:Pro:18.04:LTS / courier

Package

Name
courier
Purl
pkg:deb/ubuntu/courier@0.78.0-2ubuntu2?arch=source&distro=esm-apps/bionic

Affected ranges

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

Affected versions

0.*

0.78.0-2
0.78.0-2ubuntu1
0.78.0-2ubuntu2

Ecosystem specific 

{
    "ubuntu_priority": "medium"
}

Ubuntu:20.04:LTS / courier

Package

Name
courier
Purl
pkg:deb/ubuntu/courier@1.0.6-1build2?arch=source&distro=focal

Affected ranges

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

Affected versions

1.*

1.0.6-1build1
1.0.6-1build2

Ecosystem specific 

{
    "ubuntu_priority": "medium"
}

Ubuntu:22.04:LTS / courier

Package

Name
courier
Purl
pkg:deb/ubuntu/courier@1.0.16-3build3?arch=source&distro=jammy

Affected ranges

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

Affected versions

1.*

1.0.16-3build1
1.0.16-3build2
1.0.16-3build3

Ecosystem specific 

{
    "ubuntu_priority": "medium"
}

Ubuntu:25.04 / courier

Package

Name
courier
Purl
pkg:deb/ubuntu/courier@1.3.13-11?arch=source&distro=plucky

Affected ranges

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

Affected versions

1.*

1.3.13-6
1.3.13-7
1.3.13-10
1.3.13-11

Ecosystem specific 

{
    "ubuntu_priority": "medium"
}