#VU16094 Use-after-free in PHP - CVE-2014-4698

Vulnerability identifier: #VU16094

Vulnerability risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2014-4698

CWE-ID: CWE-416

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
PHP
Universal components / Libraries / Scripting languages

Vendor: PHP Group

Description
The vulnerability allows a local attacker to cause DoS condition.

The vulnerability exists due to use-after-free error in ext/spl/spl_array.c in the SPL component in PHP through 5.5.14. A local attacker can trigger memory corruption via crafted ArrayIterator usage within applications in certain web-hosting environments and cause the service to crash.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

PHP: 5.5.0 - 5.5.14

---

External links
https://bugs.php.net/bug.php?id=67539

---

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.