#VU4156 Buffer overflow

Published: 2020-03-18

Vulnerability identifier: #VU4156

Vulnerability risk: Critical

CVSSv3.1: 9.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:F/RL:O/RC:C]

CVE-ID: CVE-2012-2376


Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
Universal components / Libraries / Scripting languages

Vendor: PHP Group

The vulnerability allows a remote attacker to cause DoS conditions or execute arbitrary code on the target system.

The weakness exists due to buffer overflow in the com_print_typeinfo function. A remote attacker can send a specially crafted arguments, trigger incorrect handling of COM object VARIANT types and cause the target application to crash or execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability results in denial of service or arbitrary code execution on the vulnerable system.

Note: the vulnerability was being actively exploited.

Install update from vendor's website.

Vulnerable software versions

PHP: 5.4.0 - 5.4.2, 5.1 - 5.1.5, 5.3.0 - 5.3.27, 5.2.0 - 5.2.17, 5.0 - 5.0.5


External links

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, a fully functional exploit for this vulnerability is available.

Latest bulletins with this vulnerability