CVE-2019-14053 : Security Advisory and Response

If the user provides a template with an invalid mode value, a stack out-of-bounds read occurs when creating a new XFRM policy in various Snapdragon platforms and products such as Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking. These platforms include APQ8009, APQ8053, APQ8096AU, APQ8098, IPQ4019, IPQ8074, MDM9206, MDM9207C, MDM9607, MDM9640, MDM9650, MSM8905, MSM8909W, MSM8917, MSM8953, MSM8996AU, QCA4531, QCN7605, QCS605, QM215, SA415M, SC8180X, SDA660, SDA845, SDM429, SDM429W, SDM439, SDM450, SDM630, SDM632, SDM636, SDM660, SDM845, SDX20, SDX24, SDX55, SM6150, SM7150, SM8150, SM8250, and SXR2130.

Understanding CVE-2019-14053

When attempting to create a new XFRM policy, a stack out-of-bounds read will occur if the user provides a template where the mode is set to a value that does not resolve to a valid XFRM mode in various Snapdragon platforms and products.

What is CVE-2019-14053?

CVE-2019-14053 is a vulnerability that leads to a stack out-of-bounds read when creating XFRM policies in Snapdragon platforms due to an invalid mode value in the template.

The Impact of CVE-2019-14053

This vulnerability can be exploited by an attacker to potentially execute arbitrary code or cause a denial of service on affected devices and systems.

Technical Details of CVE-2019-14053

This section provides more technical insights into the vulnerability.

Vulnerability Description

The issue stems from an out-of-bounds read triggered by an invalid mode value in the XFRM policy template creation process.

Affected Systems and Versions

Vendor: Qualcomm, Inc.
Products: Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking
Versions: APQ8009, APQ8053, APQ8096AU, APQ8098, IPQ4019, IPQ8074, MDM9206, MDM9207C, MDM9607, MDM9640, MDM9650, MSM8905, MSM8909W, MSM8917, MSM8953, MSM8996AU, QCA4531, QCN7605, QCS605, QM215, SA415M, SC8180X, SDA660, SDA845, SDM429, SDM429W, SDM439, SDM450, SDM630, SDM632, SDM636, SDM660, SDM845, SDX20, SDX24, SDX55, SM6150, SM7150, SM8150, SM8250, SXR2130

Exploitation Mechanism

The vulnerability is exploited by providing a template with an invalid mode value, triggering a stack out-of-bounds read during XFRM policy creation.

Mitigation and Prevention

To address CVE-2019-14053, follow these mitigation strategies:

Immediate Steps to Take

Apply patches provided by Qualcomm to fix the vulnerability.
Regularly update the affected systems and devices to the latest firmware.

Long-Term Security Practices

Implement secure coding practices to prevent similar vulnerabilities.
Conduct regular security assessments and audits on the systems.

Patching and Updates

Stay informed about security bulletins and updates from Qualcomm.
Ensure timely application of patches to mitigate known vulnerabilities.