May 13, 2024 at 06:22AM
Cybersecurity researchers disclosed critical security flaws in Cinterion cellular modems, potential targets for threat actors, risking access to sensitive information and code execution. The flaws, including heap overflow, privilege escalation, and exposure of sensitive information, were presented at OffensiveCon. Recommendations to mitigate threats include disabling non-essential SMS messaging and conducting regular security audits.
Key takeaways from the meeting notes are as follows:
– Cybersecurity researchers disclosed multiple security flaws in Cinterion cellular modems that could be exploited by threat actors to access sensitive information and achieve code execution, posing substantial risks to integral communication networks and IoT devices in various sectors.
– Eight flaws were identified, with the most severe being CVE-2023-47610—a heap overflow vulnerability in the modem that enables remote attackers to execute arbitrary code via SMS messages.
– The remaining vulnerabilities stem from security lapses in the handling of MIDlets, Java-based applications running within the modems, that could be abused to bypass digital signature checks and allow unauthorized code execution with elevated privileges.
– Security researchers Sergey Anufrienko and Alexander Kozlov were credited with discovering and reporting the flaws, which were formally revealed by Kaspersky ICS CERT.
– Mitigation recommendations include disabling non-essential SMS messaging capabilities, employing private Access Point Names (APNs), controlling physical access to devices, and conducting regular security audits and updates.
– The Hacker News has reached out to Telit for more information on the flaws.
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