Joomla CMS up to 3.8.12 com_joomlaupdate input validation

CVSS Meta Temp Score
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Joomla CMS up to 3.8.12. This affects an unknown function of the component com_joomlaupdate. Such manipulation leads to input validation. This vulnerability is traded as CVE-2018-17856. The attack may be launched remotely. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Joomla CMS up to 3.8.12 (Content Management System). It has been rated as critical. Affected by this issue is an unknown code block of the component com_joomlaupdate. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is confidentiality, integrity, and availability. CVE summarizes:

An issue was discovered in Joomla! before 3.8.13. com_joomlaupdate allows the execution of arbitrary code. The default ACL config enabled the ability of Administrator-level users to access com_joomlaupdate and trigger code execution.

The bug was discovered 10/02/2018. The weakness was shared 10/09/2018 by Paul (Website). The advisory is shared for download at developer.joomla.org. This vulnerability is handled as CVE-2018-17856 since 10/01/2018. The attack may be launched remotely. The requirement for exploitation is a simple authentication. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 118069 (Joomla! < 3.8.13 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.

Upgrading to version 3.8.13 eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (118069) and SecurityFocus (BID 105559†). The entries VDB-125143, VDB-125145, VDB-125146 and VDB-125147 are related to this item. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.7
VulDB Meta Temp Score: 6.6

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.2
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: Input validation
CWE: CWE-20
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: 118069
Nessus Name: Joomla! < 3.8.13 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: CMS 3.8.13

Timelineinfo

10/01/2018 🔍
10/02/2018 +1 days 🔍
10/02/2018 +0 days 🔍
10/02/2018 +0 days 🔍
10/09/2018 +6 days 🔍
10/09/2018 +0 days 🔍
10/10/2018 +1 days 🔍
10/12/2018 +2 days 🔍
05/23/2023 +1684 days 🔍

Sourcesinfo

Vendor: joomla.org

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

CVE: CVE-2018-17856 (🔍)
GCVE (CVE): GCVE-0-2018-17856
GCVE (VulDB): GCVE-100-125144
SecurityFocus: 105559 - Joomla! Core Multiple Security Vulnerabilities
SecurityTracker: 1041914

See also: 🔍

Entryinfo

Created: 10/10/2018 13:09
Updated: 05/23/2023 17:33
Changes: 10/10/2018 13:09 (71), 05/31/2020 18:15 (6), 05/23/2023 17:33 (4)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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