CVE-2016-3067

9.8 CRITICAL
Published: April 21, 2017 Modified: May 13, 2026
View on NVD

Description

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

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://cygwin.com/ml/cygwin-announce/2016-02/msg00023.html
Source: secalert@redhat.com
Mailing List Release Notes Vendor Advisory
https://cygwin.com/ml/cygwin-announce/2016-04/msg00020.html
Source: secalert@redhat.com
Mailing List Release Notes Vendor Advisory
https://cygwin.com/ml/cygwin-announce/2016-04/msg00054.html
Source: secalert@redhat.com
Mailing List Release Notes Vendor Advisory
https://cygwin.com/ml/cygwin/2016-02/msg00129.html
Source: secalert@redhat.com
Mailing List Release Notes Vendor Advisory
https://sourceware.org/git/?p=newlib-cygwin.git%3Ba=commit%3Bh=205862ed08649df8f50b926a2c58c963f571b044
Source: secalert@redhat.com
https://cygwin.com/ml/cygwin-announce/2016-02/msg00023.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Release Notes Vendor Advisory
https://cygwin.com/ml/cygwin-announce/2016-04/msg00020.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Release Notes Vendor Advisory
https://cygwin.com/ml/cygwin-announce/2016-04/msg00054.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Release Notes Vendor Advisory
https://cygwin.com/ml/cygwin/2016-02/msg00129.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Release Notes Vendor Advisory
https://sourceware.org/git/?p=newlib-cygwin.git%3Ba=commit%3Bh=205862ed08649df8f50b926a2c58c963f571b044
Source: af854a3a-2127-422b-91ae-364da2661108

10 reference(s) from NVD

Quick Stats

CVSS v3 Score
9.8 / 10.0
EPSS (Exploit Probability)
2.0%
79th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-264

Affected Vendors

cygwin

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