CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.4	$0-$5k	0.00

A vulnerability has been found in Natus Xltek NeuroWorks 8 and classified as critical. Affected by this vulnerability is an unknown code block of the component Unserialization. The manipulation as part of a Network Packet leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

An exploitable denial-of-service vulnerability exists in the unserialization of lists functionality of Natus Xltek NeuroWorks 8. A specially crafted network packet can cause an out-of-bounds read, resulting in a denial of service. An attacker can send a malicious packet to trigger this vulnerability.

The bug was discovered 05/31/2018. The weakness was presented 06/01/2018 by Cisco with Cisco Talos (Website). It is possible to read the advisory at securityfocus.com. This vulnerability is known as CVE-2017-2852 since 12/01/2016. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. 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 1 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 vulnerability is also documented in the vulnerability database at SecurityFocus (BID 104490†). See VDB-115862, VDB-115863, VDB-115864 and VDB-115865 for similar entries.

Productinfo

Vendor

• Natus

Name

• Xltek NeuroWorks

Version

• 8

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

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

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

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 Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/01/2016 🔍
05/31/2018 +546 days 🔍
06/01/2018 +0 days 🔍
06/01/2018 +0 days 🔍
06/02/2018 +1 days 🔍
06/19/2018 +17 days 🔍
03/19/2023 +1734 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Researcher: Cisco
Organization: Cisco Talos
Status: Not defined

CVE: CVE-2017-2852 (🔍)
SecurityFocus: 104490 - Natus Xltek NeuroWorks/SleepWorks ICSMA-18-165-01 Multiple Security Vulnerabilities

See also: 🔍

Entryinfo

Created: 06/02/2018 02:54 PM
Updated: 03/19/2023 08:37 AM
Changes: 06/02/2018 02:54 PM (62), 02/11/2020 09:50 AM (4), 03/19/2023 08:37 AM (12)
Complete: 🔍
Cache ID: 18:0AD:40

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