PT-2019-15529 · Dell · Dell Xps 13 2-In-1

Mickey Shkatov · Published 2019-12-16 · Updated 2019-12-30 · CVE-2019-18579

Positive Technologies (AI Summary)

CVSS v3.1

7.6

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Dell XPS 13 2-in-1 (7390) BIOS versions prior to 1.1.3

Description The BIOS configuration for the "Enable Thunderbolt (and PCIe behind TBT) pre-boot modules" setting is enabled by default, allowing a local unauthenticated attacker with physical access to a user's system to obtain read or write access to main memory via a DMA attack during platform boot.

Recommendations For Dell XPS 13 2-in-1 (7390) BIOS versions prior to 1.1.3, update the BIOS to version 1.1.3 or later to resolve the issue. As a temporary workaround, consider disabling the "Enable Thunderbolt (and PCIe behind TBT) pre-boot modules" setting in the BIOS configuration to minimize the risk of exploitation.

Fix

Weakness Enumeration

CWE-16

Related Identifiers

CVE-2019-18579

Affected Products

Dell Xps 13 2-In-1

References · 3

• https://dell.com/support/article/SLN319808 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-18579 · Security Note
• https://osv.dev/vulnerability/CVE-2019-18579 · Vendor Advisory