PT-2018-1654 · Microsoft · Device Guard+3

Publicado 2018-09-11 · Atualizado 2019-10-03 · CVE-2018-8449

Positive Technologies (AI Summary)

CVSS v2.0

4.6

Média

Vetor base

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

Name of the Vulnerable Software and Affected Versions Windows Server 2016 Windows 10 Windows 10 Servers

Description A security feature bypass issue exists due to incorrect validation of untrusted files by Device Guard, allowing attackers to bypass security restrictions using a specially crafted file. This issue is related to errors in file signature verification.

Recommendations For Windows Server 2016, update the Device Guard component to prevent the security feature bypass. For Windows 10, ensure that Device Guard is properly configured to validate file signatures correctly. For Windows 10 Servers, apply the necessary security patches to fix the Device Guard vulnerability. As a temporary workaround, consider restricting the use of Device Guard until a patch is available.

Exploit

Correção

Time Of Check To Time Of Use

Improper Privilege Management

Enumeração de Fraquezas

CWE-367

CWE-269

Identificadores relacionados

BDU:2018-01213

CVE-2018-8449

Produtos afetados

Device Guard

Windows

Windows 10

Windows Server 2016

Referências · 9

• 🔥 https://exploit-db.com/exploits/45435 · Exploit
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8449 · Aviso do Fabricante
• http://securitytracker.com/id/1041642 · Nota
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2018-8449 · Aviso do Fabricante
• https://osv.dev/vulnerability/CVE-2018-8449 · Aviso do Fabricante
• https://bdu.fstec.ru/vul/2018-01213 · Nota de Segurança
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-8449 · Nota de Segurança
• https://nvd.nist.gov/vuln/detail/CVE-2018-8449 · Nota de Segurança
• http://securityfocus.com/bid/105272 · Nota