Vulnerability · Published Mar 14, 2023 · Assigned by mitre
CVE-2023-28339
High 8.8
In plain English
A high-severity privilege mismanagement in the opendoas package (Debian). Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 51% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.6%top 49.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | opendoas | no fix listed | DEBIAN-CVE-2023-28339 |
| Debian:14 | opendoas | no fix listed | DEBIAN-CVE-2023-28339 |
| Ubuntu:22.04:LTS | doas | no fix listed | UBUNTU-CVE-2023-28339 |
| Ubuntu:24.04:LTS | opendoas | no fix listed | UBUNTU-CVE-2023-28339 |
| Ubuntu:25.10 | opendoas | no fix listed | UBUNTU-CVE-2023-28339 |
| Ubuntu:26.04:LTS | opendoas | no fix listed | UBUNTU-CVE-2023-28339 |
| Ubuntu:26.10 | opendoas | no fix listed | UBUNTU-CVE-2023-28339 |
Affected products (as reported)
Weakness: CWE-269 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H