#VU3086 Improper input validation in Windows and Windows Server - CVE-2010-1885

Vulnerability identifier: #VU3086

Vulnerability risk: Critical

CVSSv4.0: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Red]

CVE-ID: CVE-2010-1885

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
Windows
Operating systems & Components / Operating system
Windows Server
Operating systems & Components / Operating system

Vendor: Microsoft

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to an error when parsing URLs within Microsoft Help and Support Center. A remote attacker can create a specially crafted hcp:// URL, trick the victim into clicking on it and execute arbitrary code on the target system 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 updates from Microsoft website.

Vulnerable software versions

Windows: XP

Windows Server: 2003

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External links
https://technet.microsoft.com/library/security/2219475
https://technet.microsoft.com/library/security/ms10-042

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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.