CVE-2015-4642
CRITICAL severity · CVSS 9.8 · OS command injection
9.8CVSS CRITICAL
Summary
The escapeshellarg function in ext/standard/exec.c in PHP before 5.4.42, 5.5.x before 5.5.26, and 5.6.x before 5.6.10 on Windows allows remote attackers to execute arbitrary OS commands via a crafted string to an application that accepts command-line arguments for a call to the PHP system function.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)6%
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=d2ac264ffea5ca2e85640b6736e0c7cd4ee9a4a9
- http://openwall.com/lists/oss-security/2015/06/18/6
- http://php.net/ChangeLog-5.php
- http://www.securityfocus.com/bid/75290
- http://www.securitytracker.com/id/1032709
- https://security.gentoo.org/glsa/201606-10
- https://bugs.php.net/bug.php?id=69646Exploit