Vulnerability identifier: #VU7351
Vulnerability risk: Low
CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-125
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
PHP
Universal components / Libraries /
Scripting languages
Vendor: PHP Group
Description
The vulnerability allows a remote attacker to obtain potentially sensitive information.
The weakness exists in Core PHP due to heap out-of bounds-read in finish_nested_data (). A remote attacker can read arbitrary files on the system.
Successful exploitation of the vulnerability results in information disclosure.
Mitigation
Update to version 7.0.21.
Vulnerable software versions
PHP: 7.0.0 - 7.0.20
External links
http://php.net/ChangeLog-7.php#7.0.21
http://bugs.php.net/bug.php?id=74111
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.