Vulnerability CVE-2016-3067
Published: 2017-04-21

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

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Cygwin -> Cygwin 

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