PT-2018-1462 · Microsoft · Windows Server 2016+10

Published 2018-08-14 · Updated 2018-09-07 · CVE-2018-8344

Positive Technologies (AI Summary)

CVSS v2.0

10

High

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Windows 7 Windows Server 2012 R2 Windows RT 8.1 Windows Server 2008 Windows Server 2012 Windows 8.1 Windows Server 2016 Windows Server 2008 R2 Windows 10 Windows 10 Servers

Description The issue is related to errors in handling embedded fonts in the Windows font library. Exploitation of this issue may allow an attacker to execute arbitrary code and gain full control over the system using a specially crafted document or web page. This can be achieved remotely.

Recommendations For Windows 7, apply the relevant patch to fix the issue. For Windows Server 2012 R2, apply the relevant patch to fix the issue. For Windows RT 8.1, apply the relevant patch to fix the issue. For Windows Server 2008, apply the relevant patch to fix the issue. For Windows Server 2012, apply the relevant patch to fix the issue. For Windows 8.1, apply the relevant patch to fix the issue. For Windows Server 2016, apply the relevant patch to fix the issue. For Windows Server 2008 R2, apply the relevant patch to fix the issue. For Windows 10, apply the relevant patch to fix the issue. For Windows 10 Servers, apply the relevant patch to fix the issue. As a temporary workaround, consider restricting the use of embedded fonts in documents and web pages until a patch is available.

Fix

RCE

Code Injection

Weakness Enumeration

CWE-19

CWE-94

Related Identifiers

BDU:2018-01013

CVE-2018-8344

ZDI-18-943

Affected Products

Windows

Windows 10

Windows 10 Servers

Windows 7

Windows 8.1

Windows Rt 8.1

Windows Server 2008

Windows Server 2008 R2

Windows Server 2012

Windows Server 2012 R2

Windows Server 2016

References · 9

• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2018-8344 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-8344 · Security Note
• https://bdu.fstec.ru/vul/2018-01013 · Security Note
• https://zerodayinitiative.com/advisories/ZDI-18-943 · Security Note
• https://osv.dev/vulnerability/CVE-2018-8344 · Vendor Advisory
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8344 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-8344 · Security Note
• http://securitytracker.com/id/1041475 · Note
• http://securityfocus.com/bid/104983 · Note