PHP 'pcnt_exec()' Function Null Character Security Bypass Vulnerability
BID:75056
Info
PHP 'pcnt_exec()' Function Null Character Security Bypass Vulnerability
| Bugtraq ID: | 75056 |
| Class: | Input Validation Error |
| CVE: |
CVE-2015-4026 |
| Remote: | Yes |
| Local: | No |
| Published: | May 14 2015 12:00AM |
| Updated: | Jul 21 2017 01:07PM |
| Credit: | yohgaki |
| Vulnerable: |
Ubuntu Ubuntu Linux 15.04 Ubuntu Ubuntu Linux 14.10 Ubuntu Ubuntu Linux 14.04 LTS Ubuntu Ubuntu Linux 12.04 LTS i386 Ubuntu Ubuntu Linux 12.04 LTS amd64 Slackware Slackware Linux 14.1 Slackware Linux x86_64 -current Slackware Linux 14.1 x86_64 Slackware Linux 14.0 x86_64 Slackware Linux 14.0 Slackware Linux -current Redhat Enterprise Linux Workstation Optional 6 Redhat Enterprise Linux Workstation 7 Redhat Enterprise Linux Workstation 6 Redhat Enterprise Linux Server Optional 6 Redhat Enterprise Linux Server 7 Redhat Enterprise Linux Server 6 Redhat Enterprise Linux HPC Node Optional 6 Redhat Enterprise Linux HPC Node 7 Redhat Enterprise Linux HPC Node 6 Redhat Enterprise Linux Desktop Optional 6 Redhat Enterprise Linux Desktop 7 PHP PHP 5.6.5 PHP PHP 5.6.4 PHP PHP 5.6.1 PHP PHP 5.5.21 PHP PHP 5.5.14 PHP PHP 5.5.13 PHP PHP 5.5.12 PHP PHP 5.5.11 PHP PHP 5.5.10 PHP PHP 5.5.6 PHP PHP 5.5.5 PHP PHP 5.5.4 PHP PHP 5.5.3 PHP PHP 5.5.1 PHP PHP 5.5 PHP PHP 5.4.37 PHP PHP 5.4.30 PHP PHP 5.4.29 PHP PHP 5.4.26 PHP PHP 5.4.25 PHP PHP 5.4.17 PHP PHP 5.4.14 PHP PHP 5.4.8 PHP PHP 5.4.7 PHP PHP 5.4.6 PHP PHP 5.4.4 PHP PHP 5.4.3 PHP PHP 5.4.2 PHP PHP 5.4.1 PHP PHP 5.6.8 RC1 PHP PHP 5.6.8 PHP PHP 5.6.7 PHP PHP 5.6.6 PHP PHP 5.6.3 PHP PHP 5.6.2 PHP PHP 5.6 PHP PHP 5.5.9 PHP PHP 5.5.8 PHP PHP 5.5.7 PHP PHP 5.5.24 PHP PHP 5.5.23 PHP PHP 5.5.22 PHP PHP 5.5.20 PHP PHP 5.5.2 PHP PHP 5.5.19 PHP PHP 5.5.18 PHP PHP 5.5.17 PHP PHP 5.5.16 PHP PHP 5.5.15 PHP PHP 5.5.0 Rc2 PHP PHP 5.5.0 Rc1 PHP PHP 5.4.9 PHP PHP 5.4.5 PHP PHP 5.4.40 PHP PHP 5.4.39 PHP PHP 5.4.38 PHP PHP 5.4.36 PHP PHP 5.4.35 PHP PHP 5.4.34 PHP PHP 5.4.33 PHP PHP 5.4.32 PHP PHP 5.4.31 PHP PHP 5.4.28 PHP PHP 5.4.27 PHP PHP 5.4.24 PHP PHP 5.4.23 PHP PHP 5.4.22 PHP PHP 5.4.21 PHP PHP 5.4.20 PHP PHP 5.4.19 PHP PHP 5.4.18 PHP PHP 5.4.16 Rc1 PHP PHP 5.4.16 PHP PHP 5.4.15 Rc1 PHP PHP 5.4.15 PHP PHP 5.4.14 Rc1 PHP PHP 5.4.13 Rc1 PHP PHP 5.4.13 PHP PHP 5.4.12 Rc2 PHP PHP 5.4.12 Rc1 PHP PHP 5.4.12 PHP PHP 5.4.11 PHP PHP 5.4.10 PHP PHP 5.4.0RC2 Oracle Solaris 11.3 Oracle Linux 7 Oracle Linux 6 Oracle Enterprise Linux 6.2 Oracle Enterprise Linux 6 IBM Flex System Manager 1.3.2 0 IBM Flex System Manager 1.3.2 IBM Flex System Manager 1.2.1 IBM Flex System Manager 1.2 IBM Flex System Manager 1.1 IBM Flex System Manager 1.3.3.0 IBM Flex System Manager 1.3.1.0 IBM Flex System Manager 1.3.1 IBM Flex System Manager 1.3.0.1 IBM Flex System Manager 1.3.0.0 IBM Flex System Manager 1.3.0 IBM Flex System Manager 1.2.1.0 IBM Flex System Manager 1.2.0.0 IBM Flex System Manager 1.1.0.0 IBM Flex System Chassis Management Module 2PET Debian Linux 6.0 sparc Debian Linux 6.0 s/390 Debian Linux 6.0 powerpc Debian Linux 6.0 mips Debian Linux 6.0 ia-64 Debian Linux 6.0 ia-32 Debian Linux 6.0 arm Debian Linux 6.0 amd64 CentOS CentOS 6 Apple Mac OS X 10.9.5 Apple Mac Os X 10.10.4 Apple Mac Os X 10.10.3 Apple Mac OS X 10.10.2 Apple Mac OS X 10.10.1 Apple Mac OS X 10.10 AlienVault AlienVault 5.0.4 AlienVault AlienVault 5.1 AlienVault AlienVault 5.0 AlienVault AlienVault 4.15.2 AlienVault AlienVault 4.15.1 AlienVault AlienVault 4.15 AlienVault AlienVault 4.14 AlienVault AlienVault 4.13 AlienVault AlienVault 4.12.1 AlienVault AlienVault 4.12 |
| Not Vulnerable: |
PHP PHP 5.6.9 PHP PHP 5.5.25 PHP PHP 5.4.41 IBM Flex System Chassis Management Module 2PET14c-2.5.5c Apple Mac Os X 10.10.5 AlienVault AlienVault 5.2 |
Discussion
PHP 'pcnt_exec()' Function Null Character Security Bypass Vulnerability
PHP is prone to a security-bypass vulnerability.
An attacker can leverage this issue to bypass security restrictions and perform unauthorized actions. This may aid in further attacks.
PHP is prone to a security-bypass vulnerability.
An attacker can leverage this issue to bypass security restrictions and perform unauthorized actions. This may aid in further attacks.
Exploit / POC
PHP 'pcnt_exec()' Function Null Character Security Bypass Vulnerability
Currently, we are not aware of any working exploits. If you feel we are in error or if you are aware of more recent information, please mail us at: [email protected].
Currently, we are not aware of any working exploits. If you feel we are in error or if you are aware of more recent information, please mail us at: [email protected].
Solution / Fix
PHP 'pcnt_exec()' Function Null Character Security Bypass Vulnerability
Solution:
Updates are available. Please see the references or vendor advisory for more information.
Slackware Linux x86_64 -current
Slackware Linux 14.0 x86_64
Solution:
Updates are available. Please see the references or vendor advisory for more information.
Slackware Linux x86_64 -current
-
Slackware php-5.6.9-x86_64-1.txz
ftp://ftp.slackware.com/pub/slackware/slackware64-current/slackware64/ n/php-5.6.9-x86_64-1.txz
Slackware Linux 14.0 x86_64
-
Slackware php-5.4.41-x86_64-1_slack14.0.txz
ftp://ftp.slackware.com/pub/slackware/slackware64-14.0/patches/package s/php-5.4.41-x86_64-1_slack14.0.txz
References
PHP 'pcnt_exec()' Function Null Character Security Bypass Vulnerability
References:
References:
- #68598 pcntl_exec() should not allow null char (PHP)
- PHP Homepage (PHP)
- php: pcntl_exec() accepts paths with NUL character (Red Hat)
- APPLE-SA-2015-08-13-2 OS X Yosemite v10.10.5 and Security Update 2015-006 (Apple)
- Oracle Linux Bulletin - January 2016 (Oracle)
- Oracle Solaris Third Party Bulletin - July 2017 (Oracle)
- Security Advisory - AlienVault v5.2 addresses 55 vulnerabilities (AlienVault)
- Security Advisory Important: php security and bug fix update (Redhat)
- Security Bulletin: Multiple vulnerabilities affect IBM Flex System Chassis Manag (IBM)
- Security Bulletin: Multiple vulnerabilities in php affect IBM Flex System Manger (IBM)