Samsung SmartThings Hub STH-ETH-250 0.20.17 Video-Core HTTP Server memory corruption
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.1 | $0-$5k | 0.00 |
A vulnerability has been found in Samsung SmartThings Hub STH-ETH-250 0.20.17 (Router Operating System) and classified as critical. Affected by this vulnerability is an unknown part of the component Video-Core HTTP Server. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:
An exploitable stack-based buffer overflow vulnerability exists in the retrieval of database fields in the video-core HTTP server of the Samsung SmartThings Hub STH-ETH-250 - Firmware version 0.20.17. The strcpy call overflows the destination buffer, which has a size of 32 bytes. An attacker can send an arbitrarily long "accessKey" value in order to exploit this vulnerability.
The bug was discovered 07/26/2018. The weakness was presented 09/21/2018 (Website). The advisory is shared at talosintelligence.com. This vulnerability is known as CVE-2018-3913 since 01/01/2018. The exploitation appears to be easy. An attack has to be approached locally. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available.
The vulnerability was handled as a non-public zero-day exploit for at least 57 days. During that time the estimated underground price was around $0-$5k.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
See 123347, 124394 and 124395 for similar entries.
Product
Type
Vendor
Name
Version
License
Support
- end of life (old version)
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.1VulDB Meta Temp Score: 6.1
VulDB Base Score: 4.2
VulDB Temp Score: 4.2
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 6.7
NVD Vector: 🔍
CNA Base Score: 7.5
CNA Vector (Talos): 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Memory corruptionCWE: CWE-119
ATT&CK: Unknown
Local: Yes
Remote: No
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
01/01/2018 🔍07/26/2018 🔍
09/21/2018 🔍
09/21/2018 🔍
09/22/2018 🔍
05/17/2023 🔍
Sources
Vendor: samsung.comAdvisory: talosintelligence.com
Status: Not defined
CVE: CVE-2018-3913 (🔍)
See also: 🔍
Entry
Created: 09/22/2018 07:59Updated: 05/17/2023 16:00
Changes: 09/22/2018 07:59 (58), 03/26/2020 16:16 (1), 05/17/2023 16:00 (14)
Complete: 🔍
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