December 17, 2019
Shadow is prone to multiple local privilege-escalation vulnerabilities. A local attacker can exploit these issues to gain elevated privileges. Shadow 4.8 is vulnerable; other versions may also be affected.
- Shadow-Maint Shadow 4.8
Permit local access for trusted individuals only. Where possible, use restricted environments and restricted shells.
Allow only trusted individuals to have user accounts and local access to the resources.
Evaluate read, write, and execute permissions on all newly installed software.
Evaluate the files with world-readable permissions and manually modify the permissions.
Updates are available. Please see the references or vendor advisory for more information.
- RedHat - Bug 1788452 (CVE-2019-19882) - CVE-2019-19882 shadow-utils: local users can obta
- Gentoo linux - Bug 702252 (CVE-2019-19882) - sys-apps/shadow-4.8-r1[pam] installs setuid binari
- Shadow-Maint - Don't auto-enable ACCT_TOOLS_SETUID if PAM is detected #199
- Shadow-Maint - Fix failing chmod calls on installation for suidubins
- Archlinux - FS#64836 - [shadow] useradd, groupadd, etc. are now setuid-root
- Shadow-Maint - shadow: reduce the number of suid programs #17580
The vendor reported these issues.
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