Infinite loop in PHP - CVE-2018-10546
Published: April 26, 2018 / Updated: May 2, 2018
Vulnerability identifier: #VU12257
CSH Severity: Low
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:P/U:Clear
CVE-ID: CVE-2018-10546
CWE-ID: CWE-835
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: PHP Group
Affected software:
PHP
PHP
Detailed vulnerability description
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists due to infinite loop. A remote attacker can use a stream filter with convert.iconv and not enough input bytes, trigger an infinite loop, one CPU Core at 100% and cause the service to crash.
The weakness exists due to infinite loop. A remote attacker can use a stream filter with convert.iconv and not enough input bytes, trigger an infinite loop, one CPU Core at 100% and cause the service to crash.
How to mitigate CVE-2018-10546
The vulnerability is addressed in the following versions: 5.6.36, 7.1.17, 7.2.5 and 7.0.30.