CVE-2023-37459

CVSS 3.1 Score 5.3 of 10 (medium)

Details

Published Sep 15, 2023
Updated: Sep 19, 2023
CWE ID 125

Summary

CVE-2023-37459 is a vulnerability in Contiki-NG operating system for internet-of-things devices, affecting versions 4.9 and earlier. When a packet is received, the network stack attempts to start the periodic TCP timer without verifying if a full TCP header has been received. This can be exploited by an attacker to inject a truncated TCP packet, leading to an out-of-bound read from the packet buffer. As of now, there is no patched version available, but a workaround is provided through Contiki-NG pull request #2510. This vulnerability has a base severity of MEDIUM and a CVSS score of 5.3, with low confidentiality impact and no integrity or availability impact specified.

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