CVE-2020-11254 : Exploit Details and Defense Strategies
Learn about CVE-2020-11254, a memory corruption vulnerability in Snapdragon Auto, Compute, Connectivity, and Mobile devices by Qualcomm. Find out the impact, affected systems, and mitigation steps.
Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, and Snapdragon Mobile devices by Qualcomm, Inc. are affected by a memory corruption vulnerability due to improper handling of session ctx pointers.
Understanding CVE-2020-11254
This CVE involves memory corruption in buffer allocation caused by dereferencing session ctx pointers without proper validation.
What is CVE-2020-11254?
The vulnerability in Snapdragon devices results from a null pointer dereference issue in the DSP, potentially leading to memory corruption during buffer allocation.
The Impact of CVE-2020-11254
The CVSS base score for this vulnerability is 6.2, indicating a medium severity issue with a high impact on availability.
Technical Details of CVE-2020-11254
Qualcomm's Snapdragon Auto, Compute, Connectivity, and Mobile devices are affected by this vulnerability.
Vulnerability Description
The vulnerability arises from improper handling of session ctx pointers, leading to memory corruption during buffer allocation.
Affected Systems and Versions
Numerous versions of Qualcomm Snapdragon products are impacted, including PM6150A, PM6150L, PM6350, PM660, PM7250B, and many more.
Exploitation Mechanism
The vulnerability can be exploited by malicious actors to trigger memory corruption by dereferencing session ctx pointers without proper validation.
Mitigation and Prevention
To address CVE-2020-11254, immediate steps and long-term security practices are recommended.
Immediate Steps to Take
- Apply security patches provided by Qualcomm promptly.
- Monitor official sources for updates and advisories regarding this vulnerability.
Long-Term Security Practices
- Regularly update firmware and software on affected devices.
- Implement security best practices to prevent memory corruption vulnerabilities.
- Conduct regular security assessments and audits to identify and mitigate similar issues.
Patching and Updates
Qualcomm has released patches and security bulletins addressing this vulnerability. Ensure all affected devices are updated with the latest firmware and software patches.