Samsung SmartThings Hub STH-ETH-250 0.20.17 Video-Core HTTP Server memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.9$0-$5k0.00

Summaryinfo

A vulnerability was found in Samsung SmartThings Hub STH-ETH-250 0.20.17 and classified as critical. The affected element is an unknown function of the component Video-Core HTTP Server. Such manipulation leads to memory corruption. This vulnerability is traded as CVE-2018-3914. An attack has to be approached locally. There is no exploit available.

Detailsinfo

A vulnerability was found in Samsung SmartThings Hub STH-ETH-250 0.20.17 (Router Operating System) and classified as critical. Affected by this issue is an unknown code of the component Video-Core HTTP Server. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. CVE summarizes:

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 2000 bytes. An attacker can send an arbitrarily long "sessionToken" value in order to exploit this vulnerability.

The bug was discovered 07/26/2018. The weakness was shared 09/21/2018 (Website). The advisory is available at talosintelligence.com. This vulnerability is handled as CVE-2018-3914 since 01/01/2018. The exploitation is known to be easy. Local access is required to approach this attack. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not 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.

The entries VDB-123347, VDB-124393 and VDB-124395 are related to this item. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.9

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CNA Base Score: 7.5
CNA Vector (Talos): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/01/2018 🔍
07/26/2018 +205 days 🔍
09/21/2018 +56 days 🔍
09/21/2018 +0 days 🔍
09/22/2018 +1 days 🔍
05/17/2023 +1698 days 🔍

Sourcesinfo

Vendor: samsung.com

Advisory: talosintelligence.com
Status: Not defined

CVE: CVE-2018-3914 (🔍)
GCVE (CVE): GCVE-0-2018-3914
GCVE (VulDB): GCVE-100-124394
See also: 🔍

Entryinfo

Created: 09/22/2018 08:00
Updated: 05/17/2023 16:06
Changes: 09/22/2018 08:00 (58), 03/26/2020 16:10 (1), 05/17/2023 16:06 (14)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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