Path traversal in PHP - CVE-2014-9767
Published: November 28, 2018
Vulnerability identifier: #VU16139
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2014-9767
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: PHP Group
Affected software:
PHP
PHP
Detailed vulnerability description
The vulnerability allows a remote attacker to perform directory traversal attacks.
The vulnerability exists due to input validation error when processing directory traversal sequences in ZipArchive::extractTo function in ext/zip/php_zip.c and in and ext/zip/ext_zip.cpp in HHVM. A remote attacker can pass a specially crafted zip archive to the affected application and create arbitrary empty directories on the system.
How to mitigate CVE-2014-9767
Install updates from vendor's website.
Sources
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00052.html
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00056.html
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00057.html
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00058.html
- http://php.net/ChangeLog-5.php
- http://www.openwall.com/lists/oss-security/2016/03/16/20
- http://www.securityfocus.com/bid/76652
- http://www.securitytracker.com/id/1035311
- http://www.ubuntu.com/usn/USN-2952-1
- http://www.ubuntu.com/usn/USN-2952-2
- https://bugs.php.net/bug.php?id=67996
- https://bugs.php.net/bug.php?id=70350
- https://github.com/facebook/hhvm/commit/65c95a01541dd2fbc9c978ac53bed235b5376686