Memory corruption in PHP - #VU12255
Published: April 26, 2018 / Updated: May 2, 2018
Vulnerability identifier: #VU12255
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:U/U:Clear
CVE-ID: N/A
CWE-ID: CWE-119
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 in phpdbg due to line 307 will therefore write a NUL byte somewhere on the stack at a position controlled by the attacker through the host name length. A remote attacker can trigger memory corruption and cause the service to crash.
The weakness exists in phpdbg due to line 307 will therefore write a NUL byte somewhere on the stack at a position controlled by the attacker through the host name length. A remote attacker can trigger memory corruption and cause the service to crash.
Remediation
The vulnerability is addressed in the following versions: 7.2.5 and 7.0.30.