PT-2018-9864 · Microsoft · .Net Framework

James Forshaw · Published 2018-05-08 · Updated 2019-10-03 · CVE-2018-1039

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 .NET Framework versions 2.0 through 4.7.1

Description: A security feature bypass issue exists that could allow an attacker to bypass Device Guard. This could enable an attacker to circumvent a User Mode Code Integrity (UMCI) policy on the machine. To exploit this issue, an attacker would first have to access the local machine.

Recommendations: For Microsoft .NET Framework versions 2.0 through 4.7.1, update to a version that includes the fix for this security feature bypass issue to prevent attackers from bypassing Device Guard.

Fix

Related Identifiers

CVE-2018-1039

Affected Products

.Net Framework

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2018-1039 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1039 · Security Note
• https://osv.dev/vulnerability/CVE-2018-1039 · Vendor Advisory
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-1039 · Vendor Advisory
• http://securitytracker.com/id/1040851 · Note
• http://securityfocus.com/bid/104072 · Note