Joomla CMS up to 3.8.7 Background Process Update race condition

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

Summaryinfo

A vulnerability classified as problematic has been found in Joomla CMS up to 3.8.7. Affected by this issue is some unknown functionality of the component Background Process Handler. This manipulation as part of Update causes race condition. This vulnerability is registered as CVE-2018-11324. Remote exploitation of the attack is possible. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Joomla CMS up to 3.8.7 (Content Management System) and classified as problematic. Affected by this vulnerability is some unknown processing of the component Background Process Handler. The manipulation as part of a Update leads to a race condition vulnerability. The CWE definition for the vulnerability is CWE-362. The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. As an impact it is known to affect integrity. The summary by CVE is:

An issue was discovered in Joomla! Core before 3.8.8. A long running background process, such as remote checks for core or extension updates, could create a race condition where a session that was expected to be destroyed would be recreated.

The bug was discovered 05/07/2018. The weakness was published 05/22/2018 (Website). It is possible to read the advisory at securityfocus.com. This vulnerability is known as CVE-2018-11324 since 05/21/2018. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 15 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 110227 (Joomla! < 3.8.8 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 154016 (Joomla! 3.0.0 through 3.8.7 Multiple Vulnerabilities).

Upgrading to version 3.8.8 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 (110227) and SecurityFocus (BID 104274†). Similar entries are available at VDB-118072, VDB-118073, VDB-118074 and VDB-118076. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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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: 5.9
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.9
NVD Vector: 🔍

CVSSv2info

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

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Exploitinginfo

Class: Race condition
CWE: CWE-362
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: 110227
Nessus Name: Joomla! < 3.8.8 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 65624
OpenVAS Name: Joomla! Core Multiple Vulnerabilities-02 May18 (20180507/20180505/20180504)
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 3.8.8

Timelineinfo

05/07/2018 🔍
05/21/2018 +14 days 🔍
05/22/2018 +0 days 🔍
05/22/2018 +0 days 🔍
05/22/2018 +0 days 🔍
05/22/2018 +0 days 🔍
05/23/2018 +1 days 🔍
05/31/2018 +8 days 🔍
03/14/2023 +1748 days 🔍

Sourcesinfo

Vendor: joomla.org

Advisory: securityfocus.com⛔
Status: Not defined

CVE: CVE-2018-11324 (🔍)
GCVE (CVE): GCVE-0-2018-11324
GCVE (VulDB): GCVE-100-118075
SecurityFocus: 104274 - Joomla! Core Session Deletion Race Condition CVE-2018-11324 Security Vulnerability
SecurityTracker: 1040966

See also: 🔍

Entryinfo

Created: 05/23/2018 08:48
Updated: 03/14/2023 15:41
Changes: 05/23/2018 08:48 (76), 05/31/2020 17:13 (4), 03/14/2023 15:41 (4)
Complete: 🔍
Cache ID: 216::103

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