CVE-2018-15132: Infoleak
First published: Thu Jul 19 2018(Updated: )
An issue was discovered in ext/standard/link_win32.c in PHP before 5.6.37, 7.0.x before 7.0.31, 7.1.x before 7.1.20, and 7.2.x before 7.2.8. The linkinfo function on Windows doesn't implement the open_basedir check. This could be abused to find files on paths outside of the allowed directories.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| PHP | <7.0.31 | 7.0.31 |
| PHP | <5.6.37 | |
| PHP | >=7.0.0<7.0.31 | |
| PHP | >=7.1.0<7.1.20 | |
| PHP | >=7.2.0<7.2.8 | |
| NetApp Storage Automation Store |
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Reference Links
- http://php.net/ChangeLog-5.php
- http://php.net/ChangeLog-7.php
- https://bugs.php.net/bug.php?id=76459
- https://github.com/php/php-src/commit/f151e048ed27f6f4eef729f3310d053ab5da71d4
- https://security.netapp.com/advisory/ntap-20181107-0003/
- https://www.tenable.com/security/tns-2018-12
- https://www.php.net/ChangeLog-7.php#7.0.31 (Advisory)
Frequently Asked Questions
What is the severity of CVE-2018-15132?
CVE-2018-15132 is considered a medium severity vulnerability due to its ability to expose sensitive file paths.
How do I fix CVE-2018-15132?
To fix CVE-2018-15132, upgrade PHP to versions 5.6.37, 7.0.31, 7.1.20, or 7.2.8 or later.
What systems are affected by CVE-2018-15132?
CVE-2018-15132 affects PHP versions prior to 5.6.37, 7.0.x before 7.0.31, 7.1.x before 7.1.20, and 7.2.x before 7.2.8 on Windows.
What is the impact of CVE-2018-15132?
The impact of CVE-2018-15132 is that it allows attackers to bypass the open_basedir restriction, potentially leading to information disclosure.
Is there a workaround for CVE-2018-15132?
As a temporary workaround for CVE-2018-15132, you could restrict access to sensitive directories while planning to update PHP.
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