CVE-2017-17087

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.

• CWE-668

• http://openwall.com/lists/oss-security/2017/11/27/2Mailing List
• http://security.cucumberlinux.com/security/details.php?id=166Issue Tracking, Third Party Advisory
• https://github.com/vim/vim/commit/5a73e0ca54c77e067c3b12ea6f35e3e8681e8cf8Patch, Third Party Advisory
• https://groups.google.com/d/msg/vim_dev/sRT9BtjLWMk/BRtSXNU4BwAJIssue Tracking, Mailing List, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2019/08/msg00003.htmlMailing List, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2022/01/msg00003.htmlMailing List, Third Party Advisory
• https://usn.ubuntu.com/4582-1/Third Party Advisory
• http://openwall.com/lists/oss-security/2017/11/27/2Mailing List
• http://security.cucumberlinux.com/security/details.php?id=166Issue Tracking, Third Party Advisory
• https://github.com/vim/vim/commit/5a73e0ca54c77e067c3b12ea6f35e3e8681e8cf8Patch, Third Party Advisory
• https://groups.google.com/d/msg/vim_dev/sRT9BtjLWMk/BRtSXNU4BwAJIssue Tracking, Mailing List, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2019/08/msg00003.htmlMailing List, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2022/01/msg00003.htmlMailing List, Third Party Advisory
• https://usn.ubuntu.com/4582-1/Third Party Advisory

Published

Dec 1, 2017

Last Modified

Jun 17, 2026

Status

Modified

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