PT-2021-13674 · Qualcomm · Qualcomm Snapdragon

Published 2021-11-03 · Updated 2021-11-16 · CVE-2021-1924

Positive Technologies (AI Summary)

CVSS v3.1

9.0

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions: Qualcomm Snapdragon (affected versions not specified)

Description: The issue is related to information disclosure through timing and power side-channels during mod exponentiation for RSA-CRT. This affects various Qualcomm Snapdragon products, including Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Voice & Music, Snapdragon Wearables, and Snapdragon Wired Infrastructure and Networking.

Recommendations: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Side Channel Attack

Weakness Enumeration

CWE-203

Related Identifiers

CVE-2021-1924

Affected Products

Qualcomm Snapdragon

References · 5

• https://qualcomm.com/company/product-security/bulletins/november-2021-bulletin · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-1924 · Security Note
• https://t.me/cvenotify/23319 · Telegram Post
• https://t.me/nekaspersky/1415 · Telegram Post
• https://t.me/cibsecurity/32285 · Telegram Post