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

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Samsung SmartThings Hub STH-ETH-250 0.20.17. It has been declared as critical. This vulnerability affects unknown code of the component Video-Core Process. The manipulation results in memory corruption. This vulnerability is reported as CVE-2018-3912. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability classified as critical has been found in Samsung SmartThings Hub STH-ETH-250 0.20.17 (Router Operating System). Affected is some unknown processing of the component Video-Core Process. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

On Samsung SmartThings Hub STH-ETH-250 devices with firmware version 0.20.17, the video-core process insecurely extracts the fields from the "shard" table of its SQLite database, leading to a buffer overflow on the stack. The strcpy call overflows the destination buffer, which has a size of 128 bytes. An attacker can send an arbitrarily long "secretKey" value in order to exploit this vulnerability.

The bug was discovered 07/26/2018. The weakness was disclosed 08/23/2018 (Website). The advisory is shared for download at talosintelligence.com. This vulnerability is traded as CVE-2018-3912 since 01/01/2018. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit 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.

The entry VDB-123193 is pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 7.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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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: 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 🔍
03/17/2020 +571 days 🔍

Sourcesinfo

Vendor: samsung.com

Advisory: talosintelligence.com
Status: Not defined

CVE: CVE-2018-3912 (🔍)
GCVE (CVE): GCVE-0-2018-3912
GCVE (VulDB): GCVE-100-123192
See also: 🔍

Entryinfo

Created: 08/24/2018 08:11
Updated: 03/17/2020 20:02
Changes: 08/24/2018 08:11 (58), 03/17/2020 20:02 (1)
Complete: 🔍
Cache ID: 216::103

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