Microsoft XML Core Services Information Disclosure Vulnerability

1) Information disclosure

EUVDB-ID: #VU5950

Risk: High

CVSSv3.1: 4.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:H/RL:O/RC:C]

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

External links

http://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.