VDB-123163 · CVE-2018-14791 · BID 105105

Emerson DeltaV DCS up to R5 File access control

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 Emerson DeltaV DCS 11.3.1/12.3.1/13.3.0/13.3.1/R5. It has been classified as critical. The impacted element is an unknown function of the component File Handler. This manipulation causes access control. This vulnerability appears as CVE-2018-14791. The attack requires local access. There is no available exploit.

Detailsinfo

A vulnerability was found in Emerson DeltaV DCS 11.3.1/12.3.1/13.3.0/13.3.1/R5. It has been declared as critical. Affected by this vulnerability is an unknown code block of the component File Handler. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Emerson DeltaV DCS versions 11.3.1, 12.3.1, 13.3.0, 13.3.1, R5 may allow non-administrative users to change executable and library files on the affected products.

The bug was discovered 08/16/2018. The weakness was presented 08/23/2018 (Website). It is possible to read the advisory at securityfocus.com. This vulnerability is known as CVE-2018-14791 since 08/01/2018. Attacking locally is a requirement. The requirement for exploitation is a single authentication. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 7 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 105105†). See VDB-123103, VDB-123104 and VDB-123164 for similar entries. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Emerson

Name

DeltaV DCS

Version

License

commercial

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

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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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: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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

08/01/2018 🔍
08/16/2018 +15 days 🔍
08/16/2018 +0 days 🔍
08/23/2018 +6 days 🔍
08/23/2018 +0 days 🔍
08/24/2018 +1 days 🔍
03/17/2020 +571 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Status: Not defined

CVE: CVE-2018-14791 (🔍)
GCVE (CVE): GCVE-0-2018-14791
GCVE (VulDB): GCVE-100-123163
SecurityFocus: 105105 - Emerson DeltaV Multiple Security Vulnerabilities

See also: 🔍

Entryinfo

Created: 08/24/2018 06:51
Updated: 03/17/2020 16:09
Changes: 08/24/2018 06:51 (59), 03/17/2020 16:09 (3)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.