Security restrictions bypass in PHP - #VU16328
Published: December 7, 2018
Vulnerability identifier: #VU16328
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: N/A
CWE-ID: CWE-264
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 bypass security restrictions on the target system.
The weakness exists due to BCMath reports some errors and warnings (such as "exponent too large in raise") by directly writing to stderr[1]. A remote attacker can bypass PHP's error handling.
The weakness exists due to BCMath reports some errors and warnings (such as "exponent too large in raise") by directly writing to stderr[1]. A remote attacker can bypass PHP's error handling.
Remediation
Update to version 7.3.0.