PT-2016-2930 · Microsoft · Windows Server 2016+8

Published 2016-11-08 · Updated 2018-10-12 · CVE-2016-7238

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Microsoft Windows Vista SP2 Microsoft Windows Server 2008 SP2 and R2 SP1 Microsoft Windows 7 SP1 Microsoft Windows 8.1 Microsoft Windows Server 2012 Gold and R2 Microsoft Windows RT 8.1 Microsoft Windows 10 versions Gold, 1511, and 1607 Microsoft Windows Server 2016

Description The issue is caused by the mishandling of caching for NTLM password-change requests. This allows local users to gain privileges via a crafted application. The vulnerability can be exploited by an attacker to elevate their privileges on the system.

Recommendations For Microsoft Windows Vista SP2, update to a newer version to mitigate the risk. For Microsoft Windows Server 2008 SP2 and R2 SP1, update to a newer version to mitigate the risk. For Microsoft Windows 7 SP1, update to a newer version to mitigate the risk. For Microsoft Windows 8.1, update to a newer version to mitigate the risk. For Microsoft Windows Server 2012 Gold and R2, update to a newer version to mitigate the risk. For Microsoft Windows RT 8.1, update to a newer version to mitigate the risk. For Microsoft Windows 10 versions Gold, 1511, and 1607, update to a newer version to mitigate the risk. For Microsoft Windows Server 2016, update to a newer version to mitigate the risk. As a temporary workaround, consider restricting access to NTLM password-change requests until a patch is available.

Fix

LPE

Weakness Enumeration

CWE-264

Related Identifiers

BDU:2016-02361

CVE-2016-7238

Affected Products

Windows

Windows 10

Windows 7

Windows 8.1

Windows Rt 8.1

Windows Server 2008

Windows Server 2012

Windows Server 2016

Windows Vista

References · 9

• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2016-7238 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2016-7238 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-7238 · Security Note
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-137 · Vendor Advisory
• https://bdu.fstec.ru/vul/2016-02361 · Security Note
• https://osv.dev/vulnerability/CVE-2016-7238 · Vendor Advisory
• http://securitytracker.com/id/1037249 · Note
• http://securityfocus.com/bid/94045 · Note
• http://technet.microsoft.com/security/bulletin/MS16-137 · Note