High
opendoas — security advisory
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.
- Products
- opendoas
- Affected versions
- 6.8.2-1
- Fixed versions
- Not specified
- CVEs
- CVE-2023-28339
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 15:40 UTC · Revision 1
Source evidence
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.
osv:DEBIAN-CVE-2023-28339
opendoas
Fixed versions: Not specified
opendoas
Fixed versions: Not specified
Complete source record
{
"id": "42463bff5c2d082a68c7d2bb24d887a1ed5908902be01f089fbd074632a2aea6",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2023-28339",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2023-28339",
"summary": "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.",
"evidence": "osv:DEBIAN-CVE-2023-28339",
"products": [
{
"name": {
"value": "opendoas",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "6.8.2-1",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "opendoas",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "6.8.2-1",
"evidence": "/affected/1/versions"
}
]
}
],
"severity": "high",
"structured": {
"id": "DEBIAN-CVE-2023-28339",
"aliases": [
"DEBIAN-CVE-2023-28339"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "opendoas",
"purl": "pkg:deb/debian/opendoas?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"versions": [
"6.8.2-1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-28339.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "opendoas",
"purl": "pkg:deb/debian/opendoas?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"versions": [
"6.8.2-1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-28339.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-26T18:01:24.286166791Z",
"provider": "osv",
"upstream": [
"CVE-2023-28339"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2023-28339"
]
},
"related_cves": [
{
"value": "CVE-2023-28339",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 455491,
"published_at": "2023-03-14T19:15:10.717+00:00"
}