CVE-2018-11820 : What You Need to Know
Learn about CVE-2018-11820 affecting Qualcomm's Snapdragon platforms, leading to a side channel vulnerability due to non-time constant memcmp function, potentially exposing sensitive information and cryptographic risks.
Snapdragon platforms by Qualcomm are affected by a side channel vulnerability due to the use of the non-time constant memcmp function, leading to cryptographic concerns.
Understanding CVE-2018-11820
This CVE impacts various Snapdragon platforms and versions, potentially exposing sensitive information.
What is CVE-2018-11820?
The vulnerability arises from the use of the memcmp function, which is not time-constant, allowing unauthorized access to sensitive data.
The Impact of CVE-2018-11820
The vulnerability can result in the unintentional disclosure of confidential information, posing significant cryptographic risks.
Technical Details of CVE-2018-11820
Qualcomm's Snapdragon platforms are susceptible to this vulnerability, affecting a wide range of products and versions.
Vulnerability Description
The vulnerability stems from the non-time constant memcmp function, creating a side channel that leaks information and raises cryptographic concerns.
Affected Systems and Versions
- Products: Snapdragon Auto, Compute, Connectivity, Consumer Electronics Connectivity, Consumer IOT, Industrial IOT, IoT, Mobile, Voice & Music, Wired Infrastructure and Networking
- Versions: IPQ8074, MDM9150, MDM9206, MDM9607, MDM9640, MDM9650, MDM9655, MSM8996AU, QCA8081, QCS605, and more
Exploitation Mechanism
The vulnerability allows attackers to exploit the side channel created by the non-time constant memcmp function to access sensitive data.
Mitigation and Prevention
Immediate action and long-term security practices are crucial to mitigate the risks associated with CVE-2018-11820.
Immediate Steps to Take
- Apply patches and updates provided by Qualcomm promptly
- Monitor for any unusual activities or unauthorized access
Long-Term Security Practices
- Regularly update software and firmware to address security vulnerabilities
- Implement strong encryption protocols and access controls
Patching and Updates
- Stay informed about security bulletins and advisories from Qualcomm
- Install recommended patches and updates to secure the affected systems