Blue River Mura CMS up to 7.0 File Upload access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.7$0-$5k0.00

A vulnerability, which was classified as critical, has been found in Blue River Mura CMS up to 7.0 (Content Management System). This issue affects some unknown functionality of the component File Upload. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Blue River Mura CMS before v7.0.7029 supports inline function calls with an [m] tag and [/m] end tag, without proper restrictions on file types or pathnames, which allows remote attackers to execute arbitrary code via an [m]$.dspinclude("../pathname/executable.jpeg")[/m] approach, where executable.jpeg contains ColdFusion Markup Language code. This can be exploited in conjunction with a CKFinder feature that allows file upload.

The bug was discovered 02/26/2018. The weakness was presented 02/26/2018 (Website). It is possible to read the advisory at bekhzod0725.github.io. The identification of this vulnerability is CVE-2018-7486 since 02/26/2018. The exploitation is known to be easy. The attack may be initiated remotely. A simple authentication is required for exploitation. 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.

Upgrading to version 7.0.7029 eliminates this vulnerability.

See VDB-113841 for similar entry.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 4.7
VulDB Temp Score: 4.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.2
NVD Vector: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: CMS 7.0.7029

Timelineinfo

02/26/2018 🔍
02/26/2018 +0 days 🔍
02/26/2018 +0 days 🔍
02/26/2018 +0 days 🔍
02/27/2018 +1 days 🔍
01/08/2020 +680 days 🔍

Sourcesinfo

Advisory: bekhzod0725.github.io
Status: Not defined

CVE: CVE-2018-7486 (🔍)
See also: 🔍

Entryinfo

Created: 02/27/2018 07:44
Updated: 01/08/2020 17:18
Changes: 02/27/2018 07:44 (59), 01/08/2020 17:18 (1)
Complete: 🔍
Cache ID: 3:4A5:103

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