CVE-2016-3067 Information

Description

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

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

https://cygwin.com/ml/cygwin/2016-02/msg00129.html https://cygwin.com/ml/cygwin-announce/2016-02/msg00023.html https://cygwin.com/ml/cygwin-announce/2016-04/msg00020.html https://cygwin.com/ml/cygwin-announce/2016-04/msg00054.html https://sourceware.org/git/?p=newlib-cygwin.git;a=commit;h=205862ed08649df8f50b926a2c58c963f571b044

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8