Splunk, the data analysis and monitoring platform, is grappling with a Remote Code Execution (RCE) vulnerability.
This flaw, identified as CVE-2024-53247, affects several versions of Splunk Enterprise and the Splunk Secure Gateway app on the Splunk Cloud Platform.
The vulnerability is rated with a CVSSv3.1 score of 8.8, indicating a high severity level that poses a serious risk to organizations relying on these services.
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Vulnerability Details
The RCE vulnerability arises from the unsafe deserialization of untrusted data, traced back to insecure usage of the jsonpickle Python library.
This deserialization flaw allows a low-privileged user, who does not possess “admin” or “power” roles, to execute arbitrary code on the affected systems.
Notably, this issue impacts Splunk Enterprise versions before 9.3.2, 9.2.4, and 9.1.7, as well as Splunk Secure Gateway versions below 3.2.461 and 3.7.13.
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Affected Products and Versions
- Splunk Enterprise: Versions 9.3.1 and below, 9.2.3 and below, 9.1.0 to 9.1.6.
- Splunk Secure Gateway App: Versions below 3.7.13 and 3.4.261.
To counter this vulnerability, Splunk has advised users to upgrade to the latest secure versions: 9.3.2, 9.2.4, and 9.1.7 for Splunk Enterprise, and 3.7.13 or 3.4.261 for the Splunk Secure Gateway app.
Additionally, Splunk is proactively monitoring and patching instances on the Splunk Cloud Platform to mitigate potential risks.
As an immediate workaround, Splunk recommends disabling the Splunk Secure Gateway app, particularly if the functionalities of Splunk Mobile, Spacebridge, and Mission Control are not in use.
Administrators should manage app and add-on objects to ensure the system’s integrity and security.
This vulnerability underscores the critical importance of keeping enterprise software updated and securely configured, especially when handling sensitive data.
Organizations using Splunk must act promptly to apply the necessary updates and consider implementing additional security measures to prevent exploitation.
Splunk’s swift response and transparency in addressing this issue are commendable, yet this incident serves as a reminder of the constant vigilance needed in cybersecurity.
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