CVE-2017-15837 : Vulnerability Insights and Analysis

Qualcomm Android for MSM, Firefox OS for MSM, and QRD Android are affected by a buffer over-read vulnerability in the Linux kernel.

Understanding CVE-2017-15837

This CVE identifies a security flaw in Qualcomm Android for MSM, Firefox OS for MSM, and QRD Android that could lead to a buffer over-read.

What is CVE-2017-15837?

The vulnerability arises from the absence of a defined policy for the packet pattern attribute NL80211_PKTPAT_OFFSET, potentially causing a buffer over-read in the function nla_get_u32().

The Impact of CVE-2017-15837

This vulnerability could be exploited by attackers to read sensitive information from the affected systems, leading to a potential compromise of data integrity and confidentiality.

Technical Details of CVE-2017-15837

Qualcomm Android for MSM, Firefox OS for MSM, and QRD Android are susceptible to a buffer over-read due to the following:

Vulnerability Description

The deficiency in defining a policy for the packet pattern attribute NL80211_PKTPAT_OFFSET can result in a buffer over-read in the nla_get_u32() function.

Affected Systems and Versions

Product: Android for MSM, Firefox OS for MSM, QRD Android
Vendor: Qualcomm, Inc.
Versions: All Android releases from CAF using the Linux kernel

Exploitation Mechanism

Attackers can exploit this vulnerability to perform a buffer over-read, potentially leading to unauthorized access to sensitive data.

Mitigation and Prevention

To address CVE-2017-15837, consider the following mitigation strategies:

Immediate Steps to Take

Apply the security patch level 2018-04-05 or later to mitigate the vulnerability.
Monitor vendor security bulletins for updates and patches.

Long-Term Security Practices

Regularly update software and firmware to the latest versions.
Implement network segmentation and access controls to limit the impact of potential attacks.

Patching and Updates

Ensure timely installation of security patches provided by Qualcomm, Inc. for the affected products and versions.