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Critical severity · published Sep 10, 2018
CVE-2018-3875
An exploitable buffer overflow vulnerability exists in the credentials handler of video-core's HTTP server of Samsung SmartThings Hub STH-ETH-250-Firmware version 0.20.17
9.9
CVSS
1.5%
EPSS
No
On KEV
Description
An exploitable buffer overflow vulnerability exists in the credentials handler of video-core's HTTP server of Samsung SmartThings Hub STH-ETH-250-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 overflows the destination buffer, which has a size of 2,000 bytes. An attacker can send an arbitrarily long "sessionToken" value in order to exploit this vulnerability.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)1.5% · higher than 75% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SF
Sth-eth-250 Firmware · Samsung
0.20.17 · source: NVD
Affected product
SF
Sth-eth-250 Firmware
Samsung
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-3875
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-3875
Exploit
https://talosintelligence.com/vulnerability_reports/TALOS-2018-0555
More from Sth-eth-250 Firmware
10.0
CVE-2018-3907
An exploitable vulnerability exists in the REST parser of video-core's HTTP server of the Samsung SmartThings Hub STH-ETH-250 - Firmware version 0.20.17
9.9
CVE-2018-3877
An exploitable buffer overflow vulnerability exists in the credentials handler of video-core's HTTP server of Samsung SmartThings Hub STH-ETH-250-Firmware version 0.20.17
9.9
CVE-2018-3874
An exploitable buffer overflow vulnerability exists in the credentials handler of video-core's HTTP server of Samsung SmartThings Hub STH-ETH-250-Firmware version 0.20.17
9.9
CVE-2018-3873
An exploitable buffer overflow vulnerability exists in the credentials handler of video-core's HTTP server of Samsung SmartThings Hub STH-ETH-250-Firmware version 0.20.17
9.9
CVE-2018-3904
An exploitable buffer overflow vulnerability exists in the camera 'update' feature of video-core's HTTP server of Samsung SmartThings Hub STH-ETH-250 - Firmware version 0.20.17