PT-2020-17581 · Qualcomm · Snapdragon Connectivity+9

Published 2020-09-08 · Updated 2021-07-21 · CVE-2020-3621

Positive Technologies (AI Summary)

CVSS v2.0

4.9

Medium

Base vector

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

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

Description The issue is related to a lack of check to ensure that the TX read index and RX write index read from shared memory are less than the FIFO size, resulting in memory corruption and potential information leakage. This issue affects various Qualcomm Snapdragon products, including Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, 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.

Memory Corruption

RCE

Weakness Enumeration

CWE-787

CWE-20

Related Identifiers

CVE-2020-3621

Affected Products

Snapdragon Auto

Snapdragon Compute

Snapdragon Connectivity

Snapdragon Consumer Electronics Connectivity

Snapdragon Consumer Iot

Snapdragon Industrial Iot

Snapdragon Mobile

Snapdragon Voice & Music

Snapdragon Wearables

Snapdragon Wired Infrastructure/Networking

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2020-3621 · Security Note
• https://qualcomm.com/company/product-security/bulletins/august-2020-security-bulletin · Vendor Advisory
• https://qualcomm.com/company/product-security/bulletins/august-2020-bulletin · Note