Resource exhaustion in phpCMS - CVE-2018-14940
Published: August 5, 2018 / Updated: August 8, 2020
Vulnerability identifier: #VU36795
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2018-14940
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: phpcms.de
Affected software:
phpCMS
phpCMS
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
PHPCMS 9 allows remote attackers to cause a denial of service (resource consumption) via large font_size, height, and width parameters in an api.php?op=checkcode request.
How to mitigate CVE-2018-14940
Install update from vendor's website.