VDB-123164 · CVE-2018-14797 · BID 105105

Emerson DeltaV DCS up to R5 DLL uncontrolled search path

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.
6.3	$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 declared as problematic. This affects an unknown function of the component DLL Handler. Such manipulation leads to uncontrolled search path. This vulnerability is traded as CVE-2018-14797. An attack has to be approached locally. There is no exploit available.

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 rated as problematic. Affected by this issue is some unknown processing of the component DLL Handler. The manipulation with an unknown input leads to a uncontrolled search path vulnerability. Using CWE to declare the problem leads to CWE-427. The product uses a fixed or controlled search path to find resources, but one or more locations in that path can be under the control of unintended actors. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Emerson DeltaV DCS versions 11.3.1, 12.3.1, 13.3.0, 13.3.1, R5 allow a specially crafted DLL file to be placed in the search path and loaded as an internal and valid DLL, which may allow arbitrary code execution.

The bug was discovered 08/16/2018. The weakness was shared 08/23/2018 (Website). The advisory is shared for download at securityfocus.com. This vulnerability is handled as CVE-2018-14797 since 08/01/2018. The attack needs to be approached locally. Required for exploitation is a simple authentication. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1574.

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†). The entries VDB-123103, VDB-123104 and VDB-123163 are related to this item. Once again VulDB remains the best source 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: 6.3
VulDB Meta Temp Score: 6.3

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

NVD Base Score: 7.3
NVD Vector: 🔍

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: Uncontrolled search path
CWE: CWE-427 / CWE-426
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

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-2018-14797 (🔍)
GCVE (CVE): GCVE-0-2018-14797
GCVE (VulDB): GCVE-100-123164
SecurityFocus: 105105 - Emerson DeltaV Multiple Security Vulnerabilities

See also: 🔍

Entryinfo

Created: 08/24/2018 06:51
Updated: 03/17/2020 16:15
Changes: 08/24/2018 06:51 (60), 03/17/2020 16:15 (3)
Complete: 🔍
Cache ID: 216::103