Description
Ebuild in Gentoo may change directory and file permissions depending on the order of installed packages, which allows local users to read or write to restricted directories or execute restricted commands via navigating to the affected directories, or executing the affected commands.
References
- https://bugs.gentoo.org/show_bug.cgi?id=141619
- [oss-security] 20170128 Re: Gentoo: order of installed packages may result in vary directories permissions, leading to crontab not requiring cron group membership as example. mailing-list
- https://bugs.gentoo.org/show_bug.cgi?id=58611
- https://bugs.gentoo.org/show_bug.cgi?id=607426
- https://bugs.gentoo.org/show_bug.cgi?id=396153
- https://bugs.gentoo.org/show_bug.cgi?id=607430