UBUNTU-CVE-2023-28339

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Source
https://ubuntu.com/security/CVE-2023-28339
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-28339.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2023-28339
Upstream
Published
2023-03-14T19:15:00Z
Modified
2026-05-20T16:13:31Z
Severity
  • 8.8 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
  • 8.8 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

OpenDoas through 6.8.2, when TIOCSTI is available, allows privilege escalation because of sharing a terminal with the original session. NOTE: TIOCSTI is unavailable in OpenBSD 6.0 and later, and can be made unavailable in the Linux kernel 6.2 and later.

References

Affected packages

Ubuntu:22.04:LTS / doas

Package

Name
doas
Purl
pkg:deb/ubuntu/doas?arch=source&distro=jammy

Affected ranges

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

Affected versions

6.*
6.8.1-2
6.8.1-3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "doas",
            "binary_version": "6.8.1-3"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-28339.json"

Ubuntu:24.04:LTS / opendoas

Package

Name
opendoas
Purl
pkg:deb/ubuntu/opendoas?arch=source&distro=noble

Affected ranges

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

Affected versions

6.*
6.8.2-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "doas",
            "binary_version": "6.8.2-1"
        },
        {
            "binary_name": "opendoas",
            "binary_version": "6.8.2-1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-28339.json"

Ubuntu:25.10 / opendoas

Package

Name
opendoas
Purl
pkg:deb/ubuntu/opendoas?arch=source&distro=questing

Affected ranges

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

Affected versions

6.*
6.8.2-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "doas",
            "binary_version": "6.8.2-1"
        },
        {
            "binary_name": "opendoas",
            "binary_version": "6.8.2-1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-28339.json"

Ubuntu:26.04:LTS / opendoas

Package

Name
opendoas
Purl
pkg:deb/ubuntu/opendoas?arch=source&distro=resolute

Affected ranges

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

Affected versions

6.*
6.8.2-1
6.8.2-1build1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "doas",
            "binary_version": "6.8.2-1build1"
        },
        {
            "binary_name": "opendoas",
            "binary_version": "6.8.2-1build1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-28339.json"