Joomla CMS up to 3.6.5 Filter Author access control

CVSS Meta Temp Score
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CTI Interest Score
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5.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Joomla CMS up to 3.6.5. It has been declared as critical. Affected by this issue is some unknown functionality of the component Filter. The manipulation of the argument Author results in access control. This vulnerability is identified as CVE-2017-7988. The attack can be executed remotely. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Joomla CMS up to 3.6.5 (Content Management System). Affected is some unknown processing of the component Filter. The manipulation of the argument author with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. This is going to have an impact on confidentiality, and integrity. CVE summarizes:

In Joomla! 1.6.0 through 3.6.5 (fixed in 3.7.0), inadequate filtering of form contents allows overwriting the author of an article.

The bug was discovered 04/29/2016. The weakness was released 04/25/2017 (Website). The advisory is shared for download at developer.joomla.org. This vulnerability is traded as CVE-2017-7988 since 04/20/2017. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability was handled as a non-public zero-day exploit for at least 361 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 99691 (Joomla! < 3.7.0 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 11808 (Joomla! Core ACL Violation Security Bypass Vulnerability).

Upgrading to version 3.7.0 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (99691) and SecurityFocus (BID 98022†). Entries connected to this vulnerability are available at VDB-100591, VDB-100592, VDB-100593 and VDB-100594. Once again VulDB remains the best source for vulnerability data.

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: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
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: Access control
CWE: 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: 99691
Nessus Name: Joomla! < 3.7.0 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 103398
OpenVAS Name: Joomla! CVE-2017-7988 Security Bypass Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: CMS 3.7.0

Timelineinfo

04/29/2016 🔍
04/20/2017 +356 days 🔍
04/25/2017 +5 days 🔍
04/25/2017 +0 days 🔍
04/25/2017 +0 days 🔍
04/25/2017 +0 days 🔍
04/26/2017 +1 days 🔍
04/26/2017 +0 days 🔍
08/23/2024 +2676 days 🔍

Sourcesinfo

Vendor: joomla.org

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

CVE: CVE-2017-7988 (🔍)
GCVE (CVE): GCVE-0-2017-7988
GCVE (VulDB): GCVE-100-100596
SecurityFocus: 98022 - Joomla! CVE-2017-7988 Security Bypass Vulnerability

See also: 🔍

Entryinfo

Created: 04/26/2017 08:44
Updated: 08/23/2024 15:57
Changes: 04/26/2017 08:44 (75), 05/31/2020 16:11 (5), 08/23/2024 15:57 (18)
Complete: 🔍
Cache ID: 216::103

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