Citrix UberAgent Vulnerability Allows Attackers To Escalate Privileges
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Citrix’s uberAgent, a sophisticated monitoring tool used to enhance performance and security across Citrix platforms, has been identified as having a critical vulnerability.
The flaw, tracked under CVE-2024-3902, could allow attackers to escalate their privileges within the system, posing a significant threat to organizations using affected software versions.
The vulnerability explicitly affects Citrix uberAgent versions before 7.1.2. It arises under certain configurations where the uberAgent is set with specific CitrixADC metrics and a PowerShell-based WmiProvider.
The flaw allows an attacker, who already has access to the network, to manipulate the uberAgent’s data collection capabilities to execute commands with elevated privileges.
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Affected Configurations
Citrix uberAgent versions before 7.1.2
Configurations with at least one CitrixADC_Config entry and one of the following metrics:
CitrixADCPerformance
CitrixADCvServer
CitrixADCGateways
CitrixADCInventory
For versions 7.0 to 7.1.1, the WmiProvider must be set to PowerShell with at least one CitrixSession metric configured.
Mitigation Strategies
Citrix has issued an urgent advisory to all its customers using the affected versions of uberAgent to update their software to version 7.1.2 or later immediately.
They have also provided interim mitigation steps for organizations that cannot upgrade immediately:
Disable all CitrixADC metrics by removing specific timer properties.
Change the WmiProvider setting from PowerShell to WMIC or ensure it is not configured.
These steps are intended to reduce the risk until the software can be updated to a secure version.
The discovery of this vulnerability underscores the challenges organizations face in securing complex IT environments.
uberAgent is widely used for its detailed analytics and monitoring capabilities, which support IT administrators in managing both physical and virtual environments effectively.
The tool integrates with platforms like Splunk to provide extensive visibility into system performance and security.
However, this incident highlights the potential risks associated with even the most trusted security tools.
Organizations are advised to review their current configurations and apply the necessary updates or mitigations promptly to protect their IT infrastructure from potential exploits.
Citrix’s Response
In response to the discovery of the CVE-2024-3902 vulnerability, Citrix has acted swiftly to rectify the issue and support its customer base.
The company has updated its software and is working closely with customers to ensure that the updates are implemented effectively.
Citrix has also thanked the security researchers who identified the vulnerability, emphasizing the value of collaborative security efforts.
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The post Citrix UberAgent Vulnerability Allows Attackers To Escalate Privileges appeared first on Cyber Security News.
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