Overview
Recently, NSFOCUS CERT found that VMware has officially fixed multiple security vulnerabilities in VMware vRealize Log Insight. Under default configuration conditions, unauthenticated attackers exploit the following key vulnerabilities in combination, and finally achieve arbitrary code execution with ROOT privileges on the target system. These vulnerabilities have been successfully verified by international security teams, and affected users are requested to take protective measures as soon as possible.
The key vulnerabilities are as follows:
VMware vRealize Log Insight Remote Code Execution Vulnerability (CVE-2022-31704)
Due to an access control flaw in vRealize Log Insight, an unauthenticated remote attacker could inject a malicious file into the operating system of an affected device, resulting in arbitrary code execution on the target system with a CVSS score of 9.8.
VMware vRealize Log Insight Directory Traversal Vulnerability (CVE-2022-31706)
Due to a directory traversal vulnerability in vRealize Log Insight, an unauthenticated remote attacker could inject a file into the operating system of an affected device, resulting in arbitrary code execution on the target system, with a CVSS score of 9.8.
VMware vRealize Log Insight Information Disclosure Vulnerability (CVE-2022-31711)
A CVSS score of 5.3 due to an information disclosure vulnerability in vRealize Log Insight that could allow an unauthenticated remote attacker to collect sensitive session and application information.
Reference link: https://www.vmware.com/security/advisories/VMSA-2023-0001.html
Scope of Impact
Affected version
- VMware vRealize Log Insight 8.x < 8.10.2
- VMware Cloud Foundation (VMware vRealize Log Insight) 4.x
- VMware Cloud Foundation (VMware vRealize Log Insight) 3.x
Unaffected version
- VMware vRealize Log Insight 8.x >= 8.10.2
Mitigation
Official upgrade
At present, the official has released a patch for the vulnerability. Please download the patch as soon as possible. The patch and documentation for the corresponding product version are as follows:
| Product version | Download link | Notes |
|---|---|---|
| VMware vRealize Log Insight 8.x | https://customerconnect.vmware.com/downloads/details?downloadGroup=VRLI-8102&productId=1351 | https://docs.vmware.com/en/vRealize-Log-Insight/8.10.2/rn/vrealize-log-insight-8102-release-notes/index.html |
| VMware Cloud Foundation (VMware vRealize Log Insight) 4.x | https://kb.vmware.com/s/article/90668 | |
| VMware Cloud Foundation (VMware vRealize Log Insight) 3.x | https://kb.vmware.com/s/article/90668 |
Temporary measure
If the relevant users are temporarily unable to perform the upgrade operation, they can also refer to the official measures for temporary relief:
https://kb.vmware.com/s/article/90635
Statement
This advisory is only used to describe a potential risk. NSFOCUS does not provide any commitment or promise on this advisory. NSFOCUS and the author will not bear any liability for any direct and/or indirect consequences and losses caused by transmitting and/or using this advisory. NSFOCUS reserves all the rights to modify and interpret this advisory. Please include this statement paragraph when reproducing or transferring this advisory. Do not modify this advisory, add/delete any information to/from it, or use this advisory for commercial purposes without permission from NSFOCUS.
About NSFOCUS
NSFOCUS, Inc., a global network and cyber security leader, protects enterprises and carriers from advanced cyber attacks. The company’s Intelligent Hybrid Security strategy utilizes both cloud and on-premises security platforms, built on a foundation of real-time global threat intelligence, to provide multi-layered, unified and dynamic protection against advanced cyber attacks.
NSFOCUS works with Fortune Global 500 companies, including four of the world’s five largest financial institutions, organizations in insurance, retail, healthcare, critical infrastructure industries as well as government agencies. NSFOCUS has technology and channel partners in more than 60 countries, is a member of both the Microsoft Active Protections Program (MAPP), and the Cloud Security Alliance (CSA).
A wholly owned subsidiary of NSFOCUS Technologies Group Co., Ltd., the company has operations in the Americas, Europe, the Middle East and Asia Pacific.
