Vulnerability in Cygwin

CVE-2016-3067

Cygwin before 2.5.0 does not properly handle updating permissions when changing users, which allows attackers to gain privileges.

EPSS: 0.020 (79.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Cygwin
N/a — versions n/a

Weakness classification (CWE)

CWE-264

References

secalert@redhat.com (Vendor Advisory, mailing-list, x_refsource_MLIST, Mailing List, Release Notes)
secalert@redhat.com (Vendor Advisory, mailing-list, x_refsource_MLIST, Mailing List, Release Notes)
secalert@redhat.com (Vendor Advisory, mailing-list, x_refsource_MLIST, Mailing List, Release Notes)
secalert@redhat.com (Vendor Advisory, mailing-list, x_refsource_MLIST, Mailing List, Release Notes)
secalert@redhat.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2016-3067?: CVE-2016-3067 is a critical-severity vulnerability in Cygwin, classified under CWE-264. CVSS score: 9.8/10. Published 2017-04-21.
How severe is CVE-2016-3067?: Critical severity. CVSS v3 base score is 9.8 out of 10.