The purpose of this long-read post is to provide an exclusive analysis of the critical file upload vulnerability, CVE-2022-22952, found in VMware Carbon Black App Control. Throughout this post, we will dive into the vulnerable components, code snippets, exploit details, and links to original references and material. It is important to understand and address this vulnerability as it affects multiple versions of Carbon Black App Control and can result in severe security repercussions.
CVE Details
Name: CVE-2022-22952
Severity: Critical
Affected component: VMware Carbon Black App Control (8.5.x prior to 8.5.14, 8.6.x prior to 8.6.6, 8.7.x prior to 8.7.4, and 8.8.x prior to 8.8.2)
Vulnerability Type: File Upload Vulnerability
Impact: A malicious actor with administrative access to the VMware App Control administration interface may be able to execute code on the Windows instance where AppC Server is installed by uploading a specially crafted file.
Vulnerable Component: VMware Carbon Black App Control
VMware Carbon Black App Control is an industry-leading application control and behavioral monitoring solution designed to protect computer systems from malware and unauthorized applications. It's often used by organizations to gain better control over their infrastructure and secure sensitive data.
Source Code Snippet (Where the Vulnerability Exists)
While no specific code snippet is available due to the proprietary nature of VMware Carbon Black App Control, the vulnerability exists within the file upload functionality in the affected versions of the software.
Exploit Details
To successfully exploit this vulnerability, an attacker would need administrative access to the VMware Carbon Black App Control administration interface. From there, the attacker can upload a specially crafted file (usually containing malicious code) to the server.
Upon successful upload, the malicious code would be executed on the Windows instance where the AppC Server is installed. This could potentially lead to the compromise of sensitive information, data leakage, unauthorized access to the host system, or even a complete takeover of the server.
How to Mitigate the CVE-2022-22952 Vulnerability
VMware has released several patches addressing the CVE-2022-22952 vulnerability, depending on the affected version of Carbon Black App Control:
8.8.x: 8.8.2
It is highly recommended to update your existing VMware Carbon Black App Control environment to the latest version available to protect against CVE-2022-22952.
Links to Original References
- Official VMware Security Advisory: https://www.vmware.com/security/advisories/VMSA-2022-0003.html
- National Vulnerability Database (NVD): https://nvd.nist.gov/vuln/detail/CVE-2022-22952
- Common Vulnerabilities and Exposures (CVE) Official Page: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-22952
Conclusion
CVE-2022-22952 is a critical file upload vulnerability affecting multiple versions of VMware Carbon Black App Control. By exploiting this vulnerability, an attacker with administrative access can execute code on the Windows instance where the AppC Server is installed. It is imperative to update your Carbon Black App Control environment to the latest version and stay informed about security advisories and best practices to maintain a secure and efficient infrastructure.
Timeline
Published on: 03/23/2022 20:15:00 UTC
Last modified on: 03/31/2022 18:58:00 UTC