Auth bypass in Doas_project Doas

CVE-2019-15900

An issue was discovered in slicer69 doas before 6.2 on certain platforms other than OpenBSD. On platforms without strtonum(3), sscanf was used without checking for error cases. Instead, the uninitialized variable errstr was checked and in…

EPSS: 0.021 (79.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2019-15900?
CVE-2019-15900 is a critical-severity vulnerability in Doas_project Doas, classified under CWE-252. CVSS score: 9.8/10. Published 2019-10-18.
How severe is CVE-2019-15900?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2019-15900 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.