9.9crit

CVE-2018-3876

An exploitable buffer overflow vulnerability exists in the credentials handler of video-core's HTTP server of Samsung SmartThings Hub STH-E…

Published 8 y ago · modified 4 mo ago · JSON

CVSS
9.9
v3.0 · CNA
CISA KEV
No
not known exploited
EPSS
1.9%
percentile 79%
Public exploits
0
none known

Summary

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 strncpy overflows the destination buffer, which has a size of 64 bytes. An attacker can send an arbitrarily long "bucket" value in order to exploit this vulnerability.

Exploit prediction (EPSS)

1.87% probability of exploitation in the next 30 days, higher than 79% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
CNA3.09.9CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
NVD3.18.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA3.09.9CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
NVD2.09.0AV:N/AC:L/Au:S/C:C/I:C/A:C

Affected products

  • Samsung SmartThings Hub STH-ETH-250

Classification

Weakness
  • CWE-120 Buffer Copy without Checking Size of Input

References

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.