Vulnerability Details : CVE-2015-4642
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.
Products affected by CVE-2015-4642
- cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.5.5:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.5.6:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.5.1:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.5.3:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.5.2:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.5.4:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.5.0:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.2:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.7:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.8:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.9:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.1:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.5:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.6:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.3:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.4:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.5.8:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.5.7:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.5.11:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.5.10:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.5.9:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.5.12:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.5.13:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.5.15:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.5.14:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.5.16:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.5.17:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.0:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.5.18:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.5.19:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.5.20:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.5.21:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.5.25:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.5.22:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.5.24:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.5.23:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2015-4642
4.26%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 91 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2015-4642
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
10.0
|
HIGH | AV:N/AC:L/Au:N/C:C/I:C/A:C |
10.0
|
10.0
|
NIST | |
|
9.8
|
CRITICAL | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2015-4642
-
The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.Assigned by: nvd@nist.gov (Primary)
References for CVE-2015-4642
-
http://www.securityfocus.com/bid/75290
PHP CVE-2015-4642 OS Command Injection Vulnerability
-
http://openwall.com/lists/oss-security/2015/06/18/6
oss-security - Re: PHP 5.6.10 / 5.5.26 / 5.4.42 CVE request
-
https://security.gentoo.org/glsa/201606-10
PHP: Multiple vulnerabilities (GLSA 201606-10) — Gentoo security
-
http://www.securitytracker.com/id/1032709
PHP Multiple Bugs Let Remote Users Deny Service and Execute Arbitrary Code - SecurityTracker
-
http://git.php.net/?p=php-src.git;a=commit;h=d2ac264ffea5ca2e85640b6736e0c7cd4ee9a4a9
208.43.231.11 Git - php-src.git/commit
-
https://bugs.php.net/bug.php?id=69646
PHP :: Sec Bug #69646 :: OS command injection vulnerability in escapeshellargExploit
-
http://php.net/ChangeLog-5.php
PHP: PHP 5 ChangeLog
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