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.
8.4	$0-$5k	0.00

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 vulnerability database at Tenable (112160). The entries 123352 and 123353 are related to this item.

Productinfo

Type

• Content Management System

Vendor

• Joomla

Name

• CMS

Version

• 3.8.0
• 3.8.1
• 3.8.2
• 3.8.3
• 3.8.4
• 3.8.5
• 3.8.6
• 3.8.7
• 3.8.8
• 3.8.9
• 3.8.10
• 3.8.11

License

• open-source

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

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

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

Name: Upload
Class: Unrestricted upload / Upload
CWE: CWE-434 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Local: No
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

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 (🔍)
SecurityTracker: 1041913
SecurityFocus: 105166 - Joomla! CVE-2018-15882 Arbitrary File Upload Vulnerability

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: 3:58A:103

Discussion

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