CVE-2023-24855 : What You Need to Know
Learn about CVE-2023-24855, a critical vulnerability in Qualcomm's Modem component, its impact, affected systems, and mitigation steps.
This article provides detailed information on CVE-2023-24855, covering its impact, technical details, affected systems, and mitigation strategies.
Understanding CVE-2023-24855
CVE-2023-24855 pertains to a memory corruption vulnerability in Qualcomm's Modem while processing security-related configuration before AS Security Exchange.
What is CVE-2023-24855?
The vulnerability involves the improper use of an out-of-range pointer offset in the Modem component, leading to memory corruption issues during the handling of security configurations.
The Impact of CVE-2023-24855
With a CVSSv3 base score of 9.8 (Critical), this vulnerability poses a significant risk. It has a low attack complexity, network-based attack vector, and high impacts on confidentiality, integrity, and availability.
Technical Details of CVE-2023-24855
This section delves into the vulnerability description, affected systems, and exploitation mechanism associated with CVE-2023-24855.
Vulnerability Description
The vulnerability involves memory corruption within the Modem component due to inappropriate pointer offset handling during security configuration processing.
Affected Systems and Versions
Numerous Snapdragon products from Qualcomm are impacted, including versions like AR8035, FastConnect series, QCA series, Snapdragon Mobile Platforms, and more. A comprehensive list is available in the Qualcomm security bulletin.
Exploitation Mechanism
The exploitation of this vulnerability could allow threat actors to execute arbitrary code, compromise data integrity, or disrupt system availability, significantly impacting the security of affected devices.
Mitigation and Prevention
Addressing CVE-2023-24855 requires immediate actions, long-term security practices, and the application of relevant patches and updates.
Immediate Steps to Take
Users and administrators should apply security patches provided by Qualcomm promptly to mitigate the risk associated with this vulnerability. Additionally, network segmentation and access control measures can help reduce the attack surface.
Long-Term Security Practices
Incorporating secure coding practices, ongoing vulnerability assessments, and security awareness training can bolster the overall security posture and help prevent similar vulnerabilities in the future.
Patching and Updates
Regularly monitoring for security advisories and promptly applying patches and firmware updates from Qualcomm is crucial to ensure the protection of Snapdragon devices against known vulnerabilities like CVE-2023-24855.