Privilege escalation in Doas Project
CVE-2019-15901
An issue was discovered in slicer69 doas before 6.2 on certain platforms other than OpenBSD. A setusercontext(3) call with flags to change the UID, primary GID, and secondary GIDs was replaced (on certain platforms: Linux and possibly NetBSD) with a single setuid(2) call. This resulted in neither changing the group id nor initializing secondary group ids.
Vulnerability class: Privilege Escalation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.022 (82.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 82.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.022 · newest: 0.022 · change: 0.000
Affected products
Weakness classification (CWE)
References
- github.com/slicer69/doas/compare/6.1p1...6.2 (Patch, Third Party Advisory, Release Notes)
- github.com/slicer69/doas/commit/6cf0236184ff6304bf5e267ccf7ef02874069697 (Patch, Third Party Advisory)
- github.com/slicer69/doas/pull/23 (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-15901?
- CVE-2019-15901 is a high-severity vulnerability in Doas Project, classified under Improper Privilege Management. CVSS score: 8.8/10. Published 2019-10-18.
- How severe is CVE-2019-15901?
- High severity. CVSS v3 base score is 8.8 out of 10.