PT-2018-6821 · Qualcomm · Snapdragon

Published 2018-09-20 · Updated 2018-11-23 · CVE-2017-18302

Positive Technologies (AI Summary)

CVSS v2.0

4.7

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions: Snapdragon versions MSM8996AU, SD 425, SD 427, SD 430, SD 435, SD 450, SD 625, SD 650/52, SD 820, SD 820A, SD 835, SDA660, SDM429, SDM439, SDM630, SDM632, SDM636, SDM660

Description: A crafted HLOS client can modify the structure in memory passed to a QSEE application between the time of check and the time of use, resulting in arbitrary writes to TZ kernel memory regions.

Recommendations: For Snapdragon versions MSM8996AU, SD 425, SD 427, SD 430, SD 435, SD 450, SD 625, SD 650/52, SD 820, SD 820A, SD 835, SDA660, SDM429, SDM439, SDM630, SDM632, SDM636, SDM660, at the moment, there is no information about a newer version that contains a fix for this issue.

Fix

Race Condition

Weakness Enumeration

CWE-362

Related Identifiers

CVE-2017-18302

Affected Products

Snapdragon

References · 4

• https://qualcomm.com/company/product-security/bulletins · Vendor Advisory
• https://source.android.com/security/bulletin/2018-08-01#qualcomm-closed-source-components · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2017-18302 · Security Note
• http://securitytracker.com/id/1041432 · Note