Joomla CMS up to 3.8.11 InputFilter Upload unrestricted upload

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k0.66

Summaryinfo

A vulnerability classified as critical was found in Joomla CMS up to 3.8.11. Affected by this vulnerability is the function InputFilter. The manipulation results in unrestricted upload (Upload). This vulnerability is cataloged as CVE-2018-15882. The attack may be launched remotely. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as critical has been found in Joomla CMS up to 3.8.11 (Content Management System). Affected is the function InputFilter. The manipulation with an unknown input leads to a unrestricted upload vulnerability (Upload). CWE is classifying the issue as CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

An issue was discovered in Joomla! before 3.8.12. Inadequate checks in the InputFilter class could allow specifically prepared phar files to pass the upload filter.

The bug was discovered 08/28/2018. The weakness was shared 08/29/2018 (Website). The advisory is available at developer.joomla.org. This vulnerability is traded as CVE-2018-15882 since 08/26/2018. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1608.002 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 112160 (Joomla! < 3.8.12 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CGI abuses and running in the context r. The commercial vulnerability scanner Qualys is able to test this issue with plugin 13263 (Joomla! Core Multiple Security Vulnerabilities ([20180801], [20180802])).

Upgrading to version 3.8.12 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (112160) and SecurityFocus (BID 105166†). The entries VDB-123352 and VDB-123353 are related to this item. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
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

Name: Upload
Class: Unrestricted upload / Upload
CWE: CWE-434 / CWE-284 / CWE-266
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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Nessus ID: 112160
Nessus Name: Joomla! < 3.8.12 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍
Upgrade: CMS 3.8.12

Timelineinfo

08/26/2018 🔍
08/28/2018 +2 days 🔍
08/28/2018 +0 days 🔍
08/28/2018 +0 days 🔍
08/28/2018 +0 days 🔍
08/28/2018 +0 days 🔍
08/29/2018 +0 days 🔍
08/29/2018 +0 days 🔍
05/06/2023 +1711 days 🔍

Sourcesinfo

Vendor: joomla.org

Advisory: developer.joomla.org
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-15882 (🔍)
GCVE (CVE): GCVE-0-2018-15882
GCVE (VulDB): GCVE-100-123354
SecurityFocus: 105166 - Joomla! CVE-2018-15882 Arbitrary File Upload Vulnerability
SecurityTracker: 1041913

See also: 🔍

Entryinfo

Created: 08/29/2018 14:24
Updated: 05/06/2023 08:26
Changes: 08/29/2018 14:24 (74), 05/31/2020 18:04 (5), 05/06/2023 08:26 (4)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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