The vulnerability of the /proc/self/setgroups utility for managing shadow accounts relates to the improper assignment of permissions to files, allowing an attacker to increase their privileges.

The vulnerability of the /proc/self/setgroups utility for managing shadow accounts is related to the improper assignment of permissions to files. Exploiting this vulnerability can allow a remote attacker to increase their privileges...

CVE-2018-7169

An issue was discovered in shadow 4.5. newgidmap in shadow-utils is setuid and allows an unprivileged user to be placed in a user namespace where setgroups2 is permitted. This allows an attacker to remove themselves from a supplementary group, which may allow access to certain filesystem paths if...