VDB-127517 · CVE-2018-18993 · BID 106106

CX-One CX-Programmer/CX-Server memory corruption

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.
6.5	$0-$5k	0.00

Summaryinfo

A vulnerability was found in CX-One CX-Programmer and CX-Server. It has been classified as critical. Impacted is an unknown function. The manipulation leads to memory corruption. This vulnerability is uniquely identified as CVE-2018-18993. Local access is required to approach this attack. No exploit exists.

Detailsinfo

A vulnerability was found in CX-One CX-Programmer and CX-Server (unknown version) and classified as critical. This issue affects an unknown code block. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Two stack-based buffer overflow vulnerabilities have been discovered in CX-One Versions 4.42 and prior (CX-Programmer Versions 9.66 and prior and CX-Server Versions 5.0.23 and prior). When processing project files, the application allows input data to exceed the buffer. An attacker could use a specially crafted project file to overflow the buffer and execute code under the privileges of the application.

The bug was discovered 12/04/2018. The weakness was disclosed 12/04/2018 by mr_me with Zero Day Initiative (Website). The advisory is shared at securityfocus.com. The identification of this vulnerability is CVE-2018-18993 since 11/06/2018. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 371375 (Omron CX-One Multiple Vulnerability).

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 106106†). The entry VDB-127515 is pretty similar. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.5

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
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: 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: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/06/2018 🔍
12/04/2018 +28 days 🔍
12/04/2018 +0 days 🔍
12/04/2018 +0 days 🔍
12/04/2018 +0 days 🔍
12/05/2018 +1 days 🔍
04/17/2020 +499 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Researcher: mr_me
Organization: Zero Day Initiative
Status: Not defined

CVE: CVE-2018-18993 (🔍)
GCVE (CVE): GCVE-0-2018-18993
GCVE (VulDB): GCVE-100-127517
SecurityFocus: 106106 - Omron CX-One ICSA-18-338-01 Multiple Security Vulnerabilities

See also: 🔍

Entryinfo

Created: 12/05/2018 14:45
Updated: 04/17/2020 16:57
Changes: 12/05/2018 14:45 (57), 04/17/2020 16:57 (5)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.