CVE-2020-11189 : Exploit Details and Defense Strategies
Learn about CVE-2020-11189, a buffer over-read vulnerability in Qualcomm Snapdragon products, potentially leading to denial of service or data exposure. Find mitigation steps and patching advice here.
A buffer over-read vulnerability in Qualcomm Snapdragon products can lead to issues while parsing SDP values.
Understanding CVE-2020-11189
This CVE involves a buffer over-read vulnerability affecting various Qualcomm Snapdragon products.
What is CVE-2020-11189?
This vulnerability can cause buffer over-read during the parsing of received SDP values due to a lack of NULL termination check on SDP in multiple Qualcomm Snapdragon product lines.
The Impact of CVE-2020-11189
The vulnerability could potentially be exploited by attackers to cause denial of service or disclose sensitive information.
Technical Details of CVE-2020-11189
This section provides more technical insights into the CVE.
Vulnerability Description
The vulnerability arises from a lack of NULL termination check on SDP values, leading to buffer over-read during parsing.
Affected Systems and Versions
- Vendor: Qualcomm, Inc.
- Affected Products:
- Snapdragon Auto
- Snapdragon Compute
- Snapdragon Connectivity
- Snapdragon Consumer IOT
- Snapdragon Industrial IOT
- Snapdragon IoT
- Snapdragon Mobile
- Snapdragon Voice & Music
- Snapdragon Wearables
- Affected Versions: A wide range of versions across the mentioned product lines.
Exploitation Mechanism
The vulnerability can be exploited by malicious actors to trigger buffer over-read by manipulating SDP values.
Mitigation and Prevention
Here are the steps to mitigate and prevent exploitation of this vulnerability.
Immediate Steps to Take
- Apply patches provided by Qualcomm promptly.
- Monitor Qualcomm's security bulletins for updates and advisories.
- Implement network security measures to detect and block malicious activities.
Long-Term Security Practices
- Regularly update and patch Qualcomm products to address security vulnerabilities.
- Conduct security assessments and penetration testing to identify and remediate potential weaknesses.
Patching and Updates
- Stay informed about security updates and patches released by Qualcomm for the affected products.
- Ensure timely application of patches to mitigate the risk of exploitation.