Joomla CMS up to 3.8.7 Background Process Update race condition
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.8 | $0-$5k | 0.00 |
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 vulnerability database at Tenable (110227). Similar entries are available at 118072, 118073, 118074 and 118076.
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.9VulDB 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: 🔍
CVSSv2
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Race conditionCWE: CWE-362
ATT&CK: Unknown
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
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 Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Upgrade: CMS 3.8.8
Timeline
05/07/2018 🔍05/21/2018 🔍
05/22/2018 🔍
05/22/2018 🔍
05/22/2018 🔍
05/22/2018 🔍
05/23/2018 🔍
05/31/2018 🔍
03/14/2023 🔍
Sources
Vendor: joomla.orgAdvisory: securityfocus.com⛔
Status: Not defined
CVE: CVE-2018-11324 (🔍)
SecurityTracker: 1040966
SecurityFocus: 104274 - Joomla! Core Session Deletion Race Condition CVE-2018-11324 Security Vulnerability
See also: 🔍
Entry
Created: 05/23/2018 08:48Updated: 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: 🔍
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