Improper access control in PHP - #VU7358
Published: July 6, 2017
Vulnerability identifier: #VU7358
CSH Severity: Low
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to obtain potentially sensitive information.
The weakness exists due to improper access control. A remote attacker can use negative offset parameter and a big string haystack to gain illegal memory access in zend_memnstr_ex function and read arbitrary files on the system.
Successful exploitation of the vulnerability results in information disclosure.
The weakness exists due to improper access control. A remote attacker can use negative offset parameter and a big string haystack to gain illegal memory access in zend_memnstr_ex function and read arbitrary files on the system.
Successful exploitation of the vulnerability results in information disclosure.
Affected software
PHP
Remediation
Update to version 7.0.21.