CVE-2016-3067

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

CVSS v3.0 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3.0 : CRITICAL

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

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://sourceware.org/git/?p=newlib-cygwin.git;a=commit;h=205862ed08649df8f50b926a2c58c963f571b044	Patch
https://cygwin.com/ml/cygwin-announce/2016-04/msg00054.html	Mailing List Release Notes Vendor Advisory
https://cygwin.com/ml/cygwin-announce/2016-04/msg00020.html	Mailing List Release Notes Vendor Advisory
https://cygwin.com/ml/cygwin-announce/2016-02/msg00023.html	Mailing List Release Notes Vendor Advisory
https://cygwin.com/ml/cygwin/2016-02/msg00129.html	Mailing List Release Notes Vendor Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:a:cygwin:cygwin:*:*:*:*:*:*:*:*

Information

Published : 2017-04-21 13:59

Updated : 2017-04-27 12:06

NVD link : CVE-2016-3067

Mitre link : CVE-2016-3067

JSON object : View

CWE

CWE-264

Permissions, Privileges, and Access Controls

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Products Affected

cygwin

cygwin

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