Resource exhaustion in PHP - CVE-2017-9119
Published: January 31, 2018
Vulnerability identifier: #VU10338
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-9119
CWE-ID: CWE-400
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 perform denial of service (DoS) attack.
The vulnerability exists due to insufficient input validation in i_zval_ptr_dtor function in Zend/zend_variables.h when processing array data structures. A remote attacker can consume all available resources on the system and trigger application crash.
The vulnerability exists due to insufficient input validation in i_zval_ptr_dtor function in Zend/zend_variables.h when processing array data structures. A remote attacker can consume all available resources on the system and trigger application crash.
How to mitigate CVE-2017-9119
Update to version 5.6.31, 7.0.20 or 7.1.6.