CVE-2019-11044 Information

Description

In PHP versions 7.2.x below 7.2.26 7.3.x below 7.3.13 and 7.4.0 on Windows PHP link() function accepts filenames with embedded \0 byte and treats them as terminating at that byte. This could lead to security vulnerabilities e.g. in applications checking paths that the code is allowed to access.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Reference

https://bugs.php.net/bug.php?id=78862 https://lists.fedoraproject.org/archives/list/[email protected]/message/N7GCOAE6KVHYJ3UQ4KLPLTGSLX6IRVRN/ https://lists.fedoraproject.org/archives/list/[email protected]/message/XWRQPYXVG43Q7DXMXH6UVWMKWGUW552F/ https://security.netapp.com/advisory/ntap-20200103-0002/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

7.5