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CVE-2015-4642

Date: May 16, 2016

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.

Language: C

Severity Score

Related Resources (9)

http://www.securityfocus.com/bid/75290
http://www.securitytracker.com/id/1032709
https://nvd.nist.gov/vuln/detail/CVE-2015-4642
https://bugs.php.net/bug.php?id=69646
http://openwall.com/lists/oss-security/2015/06/18/6
http://php.net/ChangeLog-5.php
https://security.gentoo.org/glsa/201606-10
http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=d2ac264ffea5ca2e85640b6736e0c7cd4ee9a4a9
https://www.mend.io/vulnerability-database/CVE-2015-4642

Severity Score

Weakness Type (CWE)

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

CWE-78

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): COMPLETE
Integrity (I): COMPLETE
Availability (A): COMPLETE
Additional information:

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