Microsoft XML Core Services Information Disclosure Vulnerability

1) Information disclosure

EUVDB-ID: #VU5950

Risk: High

CVSSv4.0: 4.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:A/U:Amber]

CVE-ID: CVE-2017-0022

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows a remote attacker to obtain potentially sensitive information on the target system.

The vulnerability exists due to improper handling of objects in memory by Microsoft XML Core Services (MSXML). A remote unauthenticated attacker can create a specially crafted Web site, trick the victim into visiting it and test for the presence of files on disk.

Successful exploitation of this vulnerability results in information disclosure.

Note: the vulnerability was being actively exploited.

Mitigation

Install updates from Microsoft website.

Vulnerable software versions

Microsoft XML Core Services: 3.0

CPE2.3

• cpe:2.3:a:microsoft:microsoft_xml_core_services:3.0:*:*:*:*:*:*:*

External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0022

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.