Buffer Overflow Vulnerability in Samsung SmartThings Hub HTTP Server
CVE-2018-3875

9.9CRITICAL

Key Information:

Vendor

Samsung
Status
Smartthings Hub Sth-eth-250
Vendor
CVE Published:
10 September 2018

What is CVE-2018-3875?

A buffer overflow vulnerability was identified in the credentials handler of the video-core HTTP server on the Samsung SmartThings Hub. This issue arises when the video-core process improperly handles user-provided JSON payloads, leading to stack overflow conditions. Specifically, the strncpy function can overflow a destination buffer of 2,000 bytes when it processes an excessively long 'sessionToken'. Attackers can exploit this flaw to inject malicious data, potentially compromising the security of affected devices.

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Affected Version(s)

SmartThings Hub STH-ETH-250 Firmware version 0.20.17

References

https://talosintelligence.com/vulnerability_reports/TALOS...
x_refsource_MISC

CVSS V3.1

Score:
9.9
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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