What’s Vulnerable › Vulnerabilities

CVE-2023-28339

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-03-14 · updated 2026-06-17
• Weakness: CWE-269

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 products

• Opendoas Project Opendoas: through 6.8.2

References

• https://github.com/Duncaen/OpenDoas/issues/106
• https://github.com/Duncaen/OpenDoas/issues/106
• https://github.com/Duncaen/OpenDoas/issues/106

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