CVE-2018-3896

Public Exploit

Description

An exploitable buffer overflow vulnerabilities exist in the /cameras/XXXX/clips handler of video-core's HTTP server of Samsung SmartThings Hub with Firmware version 0.20.17. The video-core process incorrectly extracts fields from a user-controlled JSON payload, leading to a buffer overflow on the stack. The strncpy call overflows the destination buffer, which has a size of 52 bytes. An attacker can send an arbitrarily long "correlationId" value in order to exploit this vulnerability.

References

Link	Tags
https://talosintelligence.com/vulnerability_reports/TALOS-2018-0570	third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2018-3896?: CVE-2018-3896 has been scored as a high severity vulnerability.
How to fix CVE-2018-3896?: To fix CVE-2018-3896, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-3896 being actively exploited in the wild?: It is possible that CVE-2018-3896 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-3896?: CVE-2018-3896 affects Samsung SmartThings Hub STH-ETH-250.

This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.

Description

Category

CWE-120 – Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

References

Frequently Asked Questions