#VU25592 Incorrect default permissions in PHP
Vulnerability identifier: #VU25592
Vulnerability risk: Low
CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-276
Exploitation vector: Local
Exploit availability: No
Vulnerable software:
PHP
Universal components / Libraries /
Scripting languages
Vendor: PHP Group
Description
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to incorrect default permissions for files and folders that are set during the Phar::buildFromIterator() call when adding files into tar archive. A local user can extract files from tar archive and gain access to otherwise restricted information.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
PHP: 7.4.0 - 7.4.2, 7.3.0 - 7.3.14, 7.2.0 - 7.2.27
External links
http://www.php.net/ChangeLog-7.php
http://bugs.php.net/bug.php?id=79082
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
