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

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.1$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Samsung SmartThings Hub STH-ETH-250 0.20.17. This vulnerability affects unknown code of the component Video-Core Process. This manipulation as part of HTTP Request causes memory corruption. This vulnerability is handled as CVE-2018-3863. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in Samsung SmartThings Hub STH-ETH-250 0.20.17 (Router Operating System). It has been declared as critical. Affected by this vulnerability is some unknown functionality of the component Video-Core Process. The manipulation as part of a HTTP Request 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:

On Samsung SmartThings Hub STH-ETH-250 devices with 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. An attacker can send an HTTP request to trigger this vulnerability. A strcpy overflows the destination buffer, which has a size of 40 bytes. An attacker can send an arbitrarily long "user" value in order to exploit this vulnerability.

The bug was discovered 07/26/2018. The weakness was released 08/23/2018 (Website). The advisory is shared at talosintelligence.com. This vulnerability is known as CVE-2018-3863 since 01/01/2018. The exploitation appears to be easy. The attack can be launched remotely. A single authentication is required for exploitation. Neither technical details nor an exploit are publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 28 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.

Entries connected to this vulnerability are available at VDB-123185, VDB-123184, VDB-123183 and VDB-123182. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.1
VulDB Meta Temp Score: 9.1

VulDB Base Score: 7.4
VulDB Temp Score: 7.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.9
NVD Vector: 🔍

CNA Base Score: 9.9
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: No
Local: No
Remote: Yes

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 🔍
08/23/2018 +27 days 🔍
08/23/2018 +0 days 🔍
08/24/2018 +1 days 🔍
05/04/2023 +1714 days 🔍

Sourcesinfo

Vendor: samsung.com

Advisory: talosintelligence.com
Status: Not defined

CVE: CVE-2018-3863 (🔍)
GCVE (CVE): GCVE-0-2018-3863
GCVE (VulDB): GCVE-100-123181
See also: 🔍

Entryinfo

Created: 08/24/2018 07:01
Updated: 05/04/2023 10:47
Changes: 08/24/2018 07:01 (59), 03/17/2020 17:52 (1), 05/04/2023 10:47 (14)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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