UBUNTU-CVE-2020-29547

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Source
https://ubuntu.com/security/CVE-2020-29547
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-29547.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2020-29547
Upstream
  • CVE-2020-29547
Published
2023-05-29T19:15:00Z
Modified
2025-10-24T04:48:56Z
Severity
  • 5.9 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
  • 5.9 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

An issue was discovered in Citadel through webcit-926. Meddler-in-the-middle attackers can pipeline commands after POP3 STLS, IMAP STARTTLS, or SMTP STARTTLS commands, injecting cleartext commands into an encrypted user session. This can lead to credential disclosure.

References

Affected packages

Ubuntu:16.04:LTS / citadel

Package

Name
citadel
Purl
pkg:deb/ubuntu/citadel@9.01-1?arch=source&distro=xenial

Affected ranges

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

Affected versions

9.*
9.01-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "citadel-mta",
            "binary_version": "9.01-1"
        },
        {
            "binary_name": "citadel-server",
            "binary_version": "9.01-1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-29547.json"

Ubuntu:18.04:LTS / citadel

Package

Name
citadel
Purl
pkg:deb/ubuntu/citadel@917-2?arch=source&distro=bionic

Affected ranges

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

Affected versions

Other
911-1
917-2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "citadel-server",
            "binary_version": "917-2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-29547.json"

Ubuntu:20.04:LTS / citadel

Package

Name
citadel
Purl
pkg:deb/ubuntu/citadel@917-4?arch=source&distro=focal

Affected ranges

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

Affected versions

Other
917-3
917-4

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "citadel-server",
            "binary_version": "917-4"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-29547.json"