Command injection in CUPS - CVE-2018-4183
Published: July 16, 2018
Vulnerability identifier: #VU13884
CSH Severity: Low
CVSS v4: 9.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-4183
CWE-ID: CWE-77
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary commands on the target system.
The vulnerability exists due to command injection. A remote attacker with sandboxed root access can modify /etc/cups/cups-files.conf, inject and execute arbitrary commands as unsandboxed root.
Affected software
CUPS
Debian Linux
Gentoo Linux
Opensuse
Fedora
cups
Debian Linux
Gentoo Linux
Opensuse
Fedora
cups
How to mitigate CVE-2018-4183
Update to version 2.2.1.
CUPS - update to 2.2.1
cups - addressed in versions 2.2.4-11.fc27, 2.2.6-16.fc28
cups - addressed in versions 2.2.4-11.fc27, 2.2.6-16.fc28