Information disclosure in Microsoft ActiveX



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2017-0242
CWE-ID CWE-200
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Windows Server
Operating systems & Components / Operating system

Windows
Operating systems & Components / Operating system

Vendor Microsoft

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Information disclosure

EUVDB-ID: #VU6499

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2017-0242

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

Exploit availability: No

Description

The vulnerability allows a remote attacker to obtain potentially sensitive information.

The weakness exists due to improper input validation when instantiating ActiveX object. A remote attacker can send a specially crafted document, trick the victim into opening it and gain access to protected memory contents.

Successful exploitation of the vulnerability results in information disclosure.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Windows Server: 2008 - 2008 R2

Windows: 7

CPE2.3 External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0242


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.



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