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

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.6$0-$5k0.00

A vulnerability, which was classified as critical, was found in Samsung SmartThings Hub STH-ETH-250 0.20.17 (Router Operating System). This affects some unknown functionality of the component Video-Core Process. The manipulation as part of a Cookie 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. The summary by CVE is:

An exploitable buffer overflow vulnerability exists in the remote video-host communication of video-core's HTTP server of Samsung SmartThings Hub STH-ETH-250 devices with firmware version 0.20.17. The video-core process insecurely parses the AWSELB cookie while communicating with remote video-host servers, leading to a buffer overflow on the heap. An attacker able to impersonate the remote HTTP servers could trigger this vulnerability.

The bug was discovered 07/26/2018. The weakness was published 08/23/2018 (Website). It is possible to read the advisory at talosintelligence.com. This vulnerability is uniquely identified as CVE-2018-3925 since 01/01/2018. The exploitability is told to be easy. It is possible to initiate the attack remotely. A authentication is required for exploitation. The technical details are unknown and an exploit is not 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.

Similar entries are available at VDB-123194, VDB-123193, VDB-123192 and VDB-123191.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.6
VulDB Meta Temp Score: 8.6

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

NVD Base Score: 9.9
NVD Vector: 🔍

CNA Base Score: 8.5
CNA Vector (Talos): 🔍

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: 🔍

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-2018-3925 (🔍)
See also: 🔍

Entryinfo

Created: 08/24/2018 08:13 AM
Updated: 05/04/2023 12:16 PM
Changes: 08/24/2018 08:13 AM (59), 03/17/2020 08:18 PM (1), 05/04/2023 12:16 PM (12)
Complete: 🔍
Cache ID: 18:3BD:40

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