VDB-112836 · CVE-2018-5442 · BID 102903

Fuji Electric V-Server VPR 4.0.1.0 memory corruption

CVSS Meta Temp Score
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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-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Fuji Electric V-Server VPR 4.0.1.0. This impacts an unknown function. The manipulation results in memory corruption. This vulnerability is identified as CVE-2018-5442. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as critical, was found in Fuji Electric V-Server VPR 4.0.1.0. Affected is an unknown part. 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:

A Stack-based Buffer Overflow issue was discovered in Fuji Electric V-Server VPR 4.0.1.0 and prior. The stack-based buffer overflow vulnerability has been identified, which may allow remote code execution.

The bug was discovered 02/01/2017. The weakness was released 02/05/2018 by Ariele Caltabiano (Website). The advisory is shared for download at securityfocus.com. This vulnerability is traded as CVE-2018-5442 since 01/12/2018. The exploitability is told to be easy. 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 369 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 102903†). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

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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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

02/01/2017 🔍
01/12/2018 +345 days 🔍
02/01/2018 +20 days 🔍
02/05/2018 +4 days 🔍
02/05/2018 +0 days 🔍
02/06/2018 +1 days 🔍
01/01/2020 +694 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Researcher: Ariele Caltabiano
Status: Not defined

CVE: CVE-2018-5442 (🔍)
GCVE (CVE): GCVE-0-2018-5442
GCVE (VulDB): GCVE-100-112836
SecurityFocus: 102903 - Fuji Electric V-Server VPR CVE-2018-5442 Stack Based Buffer Overflow Vulnerability

Entryinfo

Created: 02/06/2018 08:12
Updated: 01/01/2020 17:03
Changes: 02/06/2018 08:12 (57), 01/01/2020 17:03 (4)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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