Vulnerability identifier: #VU1242
Vulnerability risk: Critical
CVSSv3.1: 8.2 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-119
Exploitation vector: Network
Exploit availability: Yes
Vulnerable software:
Microsoft Internet Explorer
Client/Desktop applications /
Web browsers
Vendor: Microsoft
Description
The vulnerability allows a remote user to execute arbitrary code on the target system.
The vulnerability exists due to boundary error in Vgx.dll library when handling Vector Markup Language (VML) tags. A remote attacker can create a specially crafted web page, trick the victim into opening it and execute arbitrary code with privileges of the current user.
Successful exploitation of the vulnerability results in compromise of vulnerable system.
Note: this vulnerability is being actively exploited.
Mitigation
Install update from vendor's website:
Vulnerable software versions
Microsoft Internet Explorer: 5.01 - 7
External links
http://technet.microsoft.com/en-us/library/security/ms07-004.aspx
http://www.kb.cert.org/vuls/id/122084
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.