Remote code execution in Microsoft Windows
| Risk | Critical |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2014-4148 |
| CWE-ID | CWE-20 |
| Exploitation vector | Network |
| Public exploit | This vulnerability is being exploited in the wild. |
| Vulnerable software Subscribe |
Windows Server Operating systems & Components / Operating system Windows Operating systems & Components / Operating system |
| Vendor | Microsoft |
Security Bulletin
This security bulletin contains one critical risk vulnerability.
1) Improper input validation
EUVDB-ID: #VU4867
Risk: Critical
CVSSv3.1: 9.2 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:H/RL:O/RC:C]
CVE-ID: CVE-2014-4148
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The weakness exists due to improper input validation when processing TrueType fonts in kernel-mode driver (win32k.sys). A remote attacker can create a specially crafted font file, place it on a web page, trick the victim into visiting it, trigger memory corruption and execute arbitrary code with privileges of the current user.
Successful exploitation of the vulnerability results in arbitrary code execution on the vulnerable system.
Note: the vulnerability was being actively exploited.
Install update from vendor's website.
Windows Server: 2003 - 2012 R2
Windows: 7 - Vista
External linkshttp://technet.microsoft.com/en-us/library/security/ms14-058
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?
Yes. This vulnerability is being exploited in the wild.
