CVE-2021-1942 is classified as a critical vulnerability with a CVSS score of 9.3. This vulnerability allows improper handling of permissions in a shared memory region, potentially leading to memory corruption across various Qualcomm platforms, including Snapdragon Auto, Snapdragon Compute, and Snapdragon Industrial IoT. The severity of this vulnerability is significant as it can affect the confidentiality, integrity, and availability of the affected systems.
Risk to organizations includes unauthorized access and potential system compromise, highlighting the urgency for defenders to take action. Currently, there are no known public exploits or proofs of concept available. However, the nature of the vulnerability and its critical rating necessitate immediate attention to mitigate risks.
Organizations should prioritize patching immediately to ensure the security of their systems. The vulnerability affects multiple Qualcomm firmware components, making it essential for organizations utilizing these systems to assess their exposure and apply necessary updates.
Given the criticality of the vulnerability, ongoing monitoring for updates and advisories from Qualcomm is recommended to ensure systems remain secure.
Vulnerability Details
The vulnerability is detailed as follows: improper handling of permissions of a shared memory region, which can lead to memory corruption. The CVSS version is 3.1, with a vector string indicating a local attack vector and low attack complexity. This vulnerability is classified under CWE-787, which pertains to out-of-bounds writes.
Technical Analysis
The root cause of CVE-2021-1942 is linked to improper permission management within a shared memory region. This vulnerability is exploitable locally, requiring no special privileges or user interaction, which increases its risk profile.
Given its low attack complexity and the requirement for no privileges, an attacker could exploit this vulnerability to gain significant control over affected systems. The impacts include potential high confidentiality, integrity, and availability breaches, making it a critical concern for organizations.
Risk & Impact Analysis
Real-world deployment risk associated with this vulnerability is significant. Organizations utilizing Qualcomm's affected firmware components may face severe consequences if this vulnerability is exploited. The potential blast radius includes any system relying on these components, making the urgency for remediation critical.
The urgency assessment based on the CVSS score indicates that organizations should prioritize addressing this vulnerability immediately, as the implications of an exploit can lead to extensive damage and data loss.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
All versions of Qualcomm firmware prior to vendor patch are affected, including a wide range of components such as aqt1000, ar8031, csra6620, and others. Organizations must ensure they are running the latest firmware to avoid vulnerabilities.
Mitigation & Remediation
Organizations should implement immediate patching to address CVE-2021-1942. It is critical to identify the specific Qualcomm firmware in use and apply the recommended updates from the vendor. Additionally, organizations can enhance their security posture through continuous penetration testing and regular security assessments.
For further guidance, organizations may consider leveraging services for penetration testing to validate their defenses.
Detection Guidance
Monitoring for unauthorized memory access attempts and unusual application behavior can help in early detection of exploitation attempts. Organizations should also review logs for any anomalies related to Qualcomm firmware operations.
AppSecure Threat Intelligence Insight
CVE-2021-1942 represents a critical risk to organizations utilizing Qualcomm firmware. This vulnerability highlights the importance of proactive security measures and the need for timely patching. Security teams should stay informed about emerging threats and trends in vulnerability exploitation.
For further reading on effective security practices, organizations can explore our comprehensive guides on penetration testing methodology and vulnerability management program design to enhance resilience against similar vulnerabilities.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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