Improper input validation in CUPS - CVE-2017-18248
Published: March 28, 2018 / Updated: March 28, 2018
Vulnerability identifier: #VU11303
CSH Severity: Low
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-18248
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote unauthenticated attacker to cause DoS condition on the target system.
The weakness exists in the add_job function due to insufficient validation of usernames. A remote attacker can send print jobs with an invalid username and cause the service to crash.
The weakness exists in the add_job function due to insufficient validation of usernames. A remote attacker can send print jobs with an invalid username and cause the service to crash.
Affected software
CUPS
Fedora
Opensuse
cups
Fedora
Opensuse
cups
How to mitigate CVE-2017-18248
Update to version 2.2.6.
cups - addressed in versions 2.2.2-9.fc26, 2.2.4-9.fc27