VulnerabilityModified
CVE-2016-3067
Cygwin before 2.5.0 does not properly handle updating permissions when changing users, which allows attackers to gain privileges.
CRITICAL 9.8EPSS 2.04%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.04%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Cygwin before 2.5.0 does not properly handle updating permissions when changing users, which allows attackers to gain privileges.
- CVSS 3.0
- 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 2.04% probability · 80th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-264
- Affected
- cygwin/cygwin
- Source
- secalert@redhat.com
References
- https://cygwin.com/ml/cygwin-announce/2016-02/msg00023.htmlMailing List, Release Notes, Vendor Advisory
- https://cygwin.com/ml/cygwin-announce/2016-04/msg00020.htmlMailing List, Release Notes, Vendor Advisory
- https://cygwin.com/ml/cygwin-announce/2016-04/msg00054.htmlMailing List, Release Notes, Vendor Advisory
- https://cygwin.com/ml/cygwin/2016-02/msg00129.htmlMailing List, Release Notes, Vendor Advisory
- https://sourceware.org/git/?p=newlib-cygwin.git%3Ba=commit%3Bh=205862ed08649df8f50b926a2c58c963f571b044
- https://cygwin.com/ml/cygwin-announce/2016-02/msg00023.htmlMailing List, Release Notes, Vendor Advisory
- https://cygwin.com/ml/cygwin-announce/2016-04/msg00020.htmlMailing List, Release Notes, Vendor Advisory
- https://cygwin.com/ml/cygwin-announce/2016-04/msg00054.htmlMailing List, Release Notes, Vendor Advisory
- https://cygwin.com/ml/cygwin/2016-02/msg00129.htmlMailing List, Release Notes, Vendor Advisory
- https://sourceware.org/git/?p=newlib-cygwin.git%3Ba=commit%3Bh=205862ed08649df8f50b926a2c58c963f571b044
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.