Type confusion in PHP - CVE-2015-4603
Published: November 27, 2018
Vulnerability identifier: #VU16128
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2015-4603
CWE-ID: CWE-843
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The weakness exists due to type confusion in the exception::getTraceAsString function in Zend/zend_exceptions.c in in PHP before 5.4.40, 5.5.x before 5.5.24, and 5.6.x before 5.6.8. A remote attacker can trigger memory corruption to execute arbitrary code via an unexpected data type.
The weakness exists due to type confusion in the exception::getTraceAsString function in Zend/zend_exceptions.c in in PHP before 5.4.40, 5.5.x before 5.5.24, and 5.6.x before 5.6.8. A remote attacker can trigger memory corruption to execute arbitrary code via an unexpected data type.
Affected software
PHP
php5 (Ubuntu package)
SUSE Linux
php5 (Ubuntu package)
SUSE Linux
How to mitigate CVE-2015-4603
Install update from vendor's website.
PHP - addressed in versions 5.4.40, 5.5.24, 5.6.8
php5 (Ubuntu package) - addressed in versions 5.3.10-1ubuntu3.19, 5.5.9+dfsg-1ubuntu4.11, 5.5.12+dfsg-2ubuntu4.6, 5.6.4+dfsg-4ubuntu6.2
php5 (Ubuntu package) - addressed in versions 5.3.10-1ubuntu3.19, 5.5.9+dfsg-1ubuntu4.11, 5.5.12+dfsg-2ubuntu4.6, 5.6.4+dfsg-4ubuntu6.2