CVE-2021-1948 : Security Advisory and Response
Understand the impact of CVE-2021-1948, a Qualcomm Snapdragon vulnerability leading to out-of-bound reads. Learn about affected products, exploitation risks, and mitigation strategies.
This CVE pertains to a possible out-of-bound read vulnerability in multiple Qualcomm Snapdragon products due to a lack of length check while parsing beacon or probe responses.
Understanding CVE-2021-1948
This section provides insights into the nature and implications of CVE-2021-1948.
What is CVE-2021-1948?
The vulnerability lies in the parsing mechanism of beacon or probe responses in various Qualcomm Snapdragon products, potentially leading to an out-of-bound read.
The Impact of CVE-2021-1948
With a base CVSS score of 7.5, this vulnerability can have a significant impact on affected systems, particularly in terms of availability.
Technical Details of CVE-2021-1948
Below are the technical specifics of CVE-2021-1948.
Vulnerability Description
The issue arises from a lack of data length validation during parsing, making systems vulnerable to out-of-bound reads.
Affected Systems and Versions
Qualcomm Snapdragon Auto, Compute, Connectivity, Consumer Electronics Connectivity, Consumer IOT, Industrial IOT, Mobile, Voice & Music, Wired Infrastructure, and Networking products are affected.
Exploitation Mechanism
Attackers can exploit this vulnerability through network-based vectors, with low attack complexity.
Mitigation and Prevention
Learn how to minimize the risk associated with CVE-2021-1948.
Immediate Steps to Take
Organizations should apply security patches promptly and monitor network traffic for any signs of exploitation.
Long-Term Security Practices
Implement strict input validation and conduct regular security audits to detect and mitigate similar vulnerabilities.
Patching and Updates
Stay informed about security advisories and update affected systems with the latest patches.