fileio.c in Vim prior to 8.0.1263 sets the group ownership...
Vulnerability Description
fileio.c in Vim prior to 8.0.1263 sets the group ownership of a .swp file to the editor's primary group (which may be different from the group ownership of the original file), which allows local users to obtain sensitive information by leveraging an applicable group membership, as demonstrated by /etc/shadow owned by root:shadow mode 0640, but /etc/.shadow.swp owned by root:users mode 0640, a different vulnerability than CVE-2017-1000382.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://groups.google.com/d/msg/vim_dev/sRT9BtjLWMk/BRtSXNU4BwAJ
- http://openwall.com/lists/oss-security/2017/11/27/2
- http://security.cucumberlinux.com/security/details.php?id=166
- https://github.com/vim/vim/commit/5a73e0ca54c77e067c3b12ea6f35e3e8681e8cf8
- https://lists.debian.org/debian-lts-announce/2019/08/msg00003.html
- https://usn.ubuntu.com/4582-1/
- https://lists.debian.org/debian-lts-announce/2022/01/msg00003.html
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Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.