VDB-124474 · CVE-2018-14817 · BID 105341

Fuji Electric V-Server up to 4.0.3.0 integer underflow

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.
8.5	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical was found in Fuji Electric V-Server up to 4.0.3.0. This impacts an unknown function. Executing a manipulation can lead to integer underflow. The identification of this vulnerability is CVE-2018-14817. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability has been found in Fuji Electric V-Server up to 4.0.3.0 and classified as critical. This vulnerability affects an unknown function. The manipulation with an unknown input leads to a integer underflow vulnerability. The CWE definition for the vulnerability is CWE-191. The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Fuji Electric V-Server 4.0.3.0 and prior, An integer underflow vulnerability has been identified, which may allow remote code execution.

The bug was discovered 09/11/2018. The weakness was shared 09/26/2018 by Steven Seeley (mr_me) with Zero Day Initiative (Website). The advisory is available at securityfocus.com. This vulnerability was named CVE-2018-14817 since 08/01/2018. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful 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 15 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 105341†). The entries VDB-124471, VDB-124472, VDB-124473 and VDB-124475 are related to this item. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Fuji Electric

Name

V-Server

Version

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.5

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

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Integer underflow
CWE: CWE-191 / CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/01/2018 🔍
09/11/2018 +41 days 🔍
09/11/2018 +0 days 🔍
09/26/2018 +14 days 🔍
09/26/2018 +0 days 🔍
09/27/2018 +1 days 🔍
06/23/2020 +635 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Researcher: Steven Seeley (mr_me)
Organization: Zero Day Initiative
Status: Not defined

CVE: CVE-2018-14817 (🔍)
GCVE (CVE): GCVE-0-2018-14817
GCVE (VulDB): GCVE-100-124474
SecurityFocus: 105341 - Fuji Electric V-Server ICSA-18-254-01 Multiple Security Vulnerabilities

See also: 🔍

Entryinfo

Created: 09/27/2018 08:49
Updated: 06/23/2020 17:39
Changes: 09/27/2018 08:49 (58), 06/23/2020 17:39 (6)
Complete: 🔍
Cache ID: 216::103

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