VDB-128389 · CVE-2018-7837 · BID 106484

IIoT Monitor 3.1.38 XML Data xml external entity reference

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in IIoT Monitor 3.1.38. This affects an unknown function of the component XML Data Handler. This manipulation causes xml external entity reference. The identification of this vulnerability is CVE-2018-7837. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability has been found in IIoT Monitor 3.1.38 and classified as critical. Affected by this vulnerability is some unknown functionality of the component XML Data Handler. The manipulation with an unknown input leads to a xml external entity reference vulnerability. The CWE definition for the vulnerability is CWE-611. The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

An Improper Restriction of XML External Entity Reference ('XXE') vulnerability exists on numerous methods of the IIoT Monitor 3.1.38 software that could allow the software to resolve documents outside of the intended sphere of control, causing the software to embed incorrect documents into its output and expose restricted information.

The bug was discovered 12/20/2018. The weakness was shared 12/24/2018 by rgod with Zero Day Initiative (Website). The advisory is shared at schneider-electric.com. This vulnerability is known as CVE-2018-7837 since 03/08/2018. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 4 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 106484†). The entries VDB-128387, VDB-128388 and VDB-130595 are related to this item. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
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: Xml external entity reference
CWE: CWE-611 / CWE-610
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

03/08/2018 🔍
12/20/2018 +287 days 🔍
12/24/2018 +4 days 🔍
12/24/2018 +0 days 🔍
12/25/2018 +1 days 🔍
01/08/2019 +14 days 🔍
04/24/2020 +472 days 🔍

Sourcesinfo

Advisory: schneider-electric.com
Researcher: rgod
Organization: Zero Day Initiative
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-7837 (🔍)
GCVE (CVE): GCVE-0-2018-7837
GCVE (VulDB): GCVE-100-128389
SecurityFocus: 106484 - Schneider Electric IIoT Monitor Multiple Security Vulnerabilities

See also: 🔍

Entryinfo

Created: 12/25/2018 10:43
Updated: 04/24/2020 09:27
Changes: 12/25/2018 10:43 (59), 04/24/2020 09:27 (6)
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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