CVE-2016-3067

EUVD-2016-4140
Cygwin before 2.5.0 does not properly handle updating permissions when changing users, which allows attackers to gain privileges.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 68%
Affected Products (NVD)
VendorProductVersion
cygwincygwin
𝑥
≤ 2.4.1-1
𝑥
= Vulnerable software versions
Common Weakness Enumeration
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%3Ba=commit%3Bh=205862ed08649df8f50b926a2c58c963f571b044
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%3Ba=commit%3Bh=205862ed08649df8f50b926a2c58c963f571b044