CVE-2019-2323 : Security Advisory and Response
Learn about CVE-2019-2323 affecting Qualcomm Snapdragon products. Lack of validation for crypto engine data can lead to bus errors. Find mitigation steps here.
A potential issue can arise in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables in various versions if there is no check to ensure that the cryptographic engine data provided by the user has been initialized. This can result in a bus error.
Understanding CVE-2019-2323
This CVE involves an improper input validation issue in HLOS.
What is CVE-2019-2323?
CVE-2019-2323 highlights a vulnerability in Qualcomm products where a lack of check to ensure crypto engine data passed by the user is initialized can lead to a bus error.
The Impact of CVE-2019-2323
The vulnerability can result in a bus error, potentially leading to system instability or crashes.
Technical Details of CVE-2019-2323
This section provides more technical insights into the CVE.
Vulnerability Description
The issue arises due to a lack of validation for cryptographic engine data initialization, posing a risk of bus errors.
Affected Systems and Versions
- Vendor: Qualcomm, Inc.
- Affected Products: Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables
- Affected Versions: MDM9150, MDM9206, MDM9607, MDM9640, MDM9650, MSM8909W, MSM8996AU, QCS405, QCS605, Qualcomm 215, SD 210/SD 212/SD 205, SD 425, SD 427, SD 430, SD 435, SD 439 / SD 429, SD 450, SD 625, SD 632, SD 636, SD 665, SD 675, SD 712 / SD 710 / SD 670, SD 730, SD 820, SD 820A, SD 835, SD 845 / SD 850, SD 855, SDA660, SDM439, SDM630, SDM660, SDX20, SDX24
Exploitation Mechanism
The vulnerability can be exploited by providing unvalidated cryptographic engine data, triggering a bus error.
Mitigation and Prevention
Protect your systems from CVE-2019-2323 with these steps:
Immediate Steps to Take
- Apply vendor-supplied patches promptly.
- Implement proper input validation mechanisms.
- Monitor system logs for any suspicious activities.
Long-Term Security Practices
- Regularly update and patch all software and firmware.
- Conduct security assessments and audits periodically.
Patching and Updates
Ensure timely installation of security patches and updates to mitigate the risk of exploitation.