PT-2017-8322 · Red Hat · Cygwin

David Willis · Published 2017-04-21 · Updated 2017-04-27 · CVE-2016-3067

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Cygwin versions prior to 2.5.0

Description The issue arises from improper handling of permission updates when changing users, allowing attackers to gain privileges.

Recommendations For versions prior to 2.5.0, update to version 2.5.0 or later to resolve the issue.

Fix

Weakness Enumeration

CWE-264

Related Identifiers

CVE-2016-3067

Affected Products

Cygwin

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2016-3067 · Security Note
• https://cygwin.com/ml/cygwin-announce/2016-02/msg00023.html · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2016-3067 · Vendor Advisory
• https://cygwin.com/ml/cygwin-announce/2016-04/msg00054.html · Vendor Advisory
• https://cygwin.com/ml/cygwin-announce/2016-04/msg00020.html · Vendor Advisory
• https://cygwin.com/ml/cygwin/2016-02/msg00129.html · Vendor Advisory
• https://sourceware.org/git/?p=newlib-cygwin.git%3Ba=commit%3Bh=205862ed08649df8f50b926a2c58c963f571b044 · Note