9.8crit

CVE-2016-3067

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

Published 9 y ago · modified 4 mo ago · JSON

CVSS
9.8
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
2.0%
percentile 81%
Public exploits
0
none known

Summary

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

Exploit prediction (EPSS)

2.04% probability of exploitation in the next 30 days, higher than 81% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.09.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD2.07.5AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-264 Permissions, Privileges, and Access Controls

References

  • cygwin.com /ml/cygwin-announce/2016-04/msg00020.html · mailing-list, x_refsource_MLIST, x_transferred
  • cygwin.com /ml/cygwin-announce/2016-04/msg00054.html · mailing-list, x_refsource_MLIST, x_transferred
  • cygwin.com /ml/cygwin/2016-02/msg00129.html · mailing-list, x_refsource_MLIST, x_transferred
  • cygwin.com /ml/cygwin-announce/2016-02/msg00023.html · mailing-list, x_refsource_MLIST, x_transferred
  • sourceware.org /git/?p=newlib-cygwin.git%3Ba=commit%3Bh=205862ed08649df8f50b926a2c58c963f571b044 · x_refsource_CONFIRM, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.