CVE-2015-4642

HIGH

Description

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.

References

http://git.php.net/?p=php-src.git;a=commit;h=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://bugs.php.net/bug.php?id=69646

https://security.gentoo.org/glsa/201606-10

Details

Source: MITRE

Published: 2016-05-16

Updated: 2017-09-22

Type: CWE-78

Risk Information

CVSS v2.0

Base Score: 10

Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C

Impact Score: 10

Exploitability Score: 10

Severity: HIGH

CVSS v3.0

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Impact Score: 5.9

Exploitability Score: 3.9

Severity: CRITICAL