CVE-2019-11044 LOW

CVE-2019-11044: link() silently truncates after a null byte on Windows

Vendor Php Group
Product PHP
Weakness CWE-170
Published December 23, 2019
Last update September 17, 2024
View on NVD All CVEs

CVSS base score

3.7/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality Low
Integrity None

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

December 23, 2019 CVE published
September 17, 2024 Record updated