VDB-126437 · CVE-2018-7799 · BID 105951

Schneider Electric Software Update up to 2.1.x DLL uncontrolled search path

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability has been found in Schneider Electric Software Update up to 2.1.x and classified as critical. This vulnerability affects unknown code of the component DLL Handler. The manipulation leads to uncontrolled search path. This vulnerability is uniquely identified as CVE-2018-7799. Local access is required to approach this attack. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Schneider Electric Software Update up to 2.1.x and classified as critical. This issue affects an unknown part 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. The summary by CVE is:

A DLL hijacking vulnerability exists in Schneider Electric Software Update (SESU), all versions prior to V2.2.0, which could allow an attacker to execute arbitrary code on the targeted system when placing a specific DLL file.

The bug was discovered 11/01/2018. The weakness was disclosed 11/02/2018 (Website). The advisory is shared at schneider-electric.com. The identification of this vulnerability is CVE-2018-7799 since 03/08/2018. 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. MITRE ATT&CK project uses the attack technique T1574 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version V2.2.0 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 105951†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Software Update V2.2.0

Timelineinfo

03/08/2018 🔍
11/01/2018 +238 days 🔍
11/01/2018 +0 days 🔍
11/02/2018 +1 days 🔍
11/02/2018 +0 days 🔍
11/03/2018 +1 days 🔍
04/09/2020 +523 days 🔍

Sourcesinfo

Vendor: schneider-electric.com

Advisory: schneider-electric.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-7799 (🔍)
GCVE (CVE): GCVE-0-2018-7799
GCVE (VulDB): GCVE-100-126437
SecurityFocus: 105951 - Schneider Electric Software Update CVE-2018-7799 DLL Loading Local Code Execution Vulnerability

Entryinfo

Created: 11/03/2018 11:49
Updated: 04/09/2020 20:33
Changes: 11/03/2018 11:49 (61), 04/09/2020 20:33 (4)
Complete: 🔍
Cache ID: 216::103

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

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