Remote code execution in Microsoft XML Core Services

Published: 2019-08-14 | Updated: 2019-08-14
Severity High
Patch available YES
Number of vulnerabilities 1
CVE ID CVE-2019-1057
CWE ID CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software Windows Subscribe
Windows Server
Vendor Microsoft

Security Advisory

This security advisory describes one high risk vulnerability.

1) Input validation error

Severity: High

CVSSv3: 7.7 [CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2019-1057

CWE-ID: CWE-20 - Improper Input Validation

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists in the Microsoft XML Core Services MSXML parser when processing user input. A remote attacker can trick the victim to visit a specially crafted web page and execute arbitrary code on the target system with privileges of the current user.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Windows: 7, 8.1, 10, 10 1607, 10 1703, 10 1709, 10 1803, 10 1809, 10 1903, RT 8.1

Windows Server: 1803, 1903, 2008, 2008 R2, 2012, 2012 R2, 2016, 2019

CPE External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1057

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.