#VU7683 Use-after-free error in PHP
Published: August 3, 2017
Vulnerability identifier: #VU7683
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: N/A
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
PHP
PHP
Software vendor:
PHP Group
PHP Group
Description
The vulnerability allows a remote attacker to gain access to data in memory.
The weakness exists due to use-after-free error in unserialize() with SplFixedArray. A remote attacker can trigger memory leak and create gadgets to gain full memory read/write access.
The weakness exists due to use-after-free error in unserialize() with SplFixedArray. A remote attacker can trigger memory leak and create gadgets to gain full memory read/write access.
Remediation
Update to version 7.0.22.