Full Report
Broadcom VMware security advisory (AV26-536)
Analysis Summary
# Vulnerability: Multiple Vulnerabilities in VMware Tanzu for Valkey
## CVE Details
- **CVE ID:** Not explicitly listed in the summary text (Refer to Broadcom Advisory 37556 for specific mappings)
- **CVSS Score:** N/A (Broadcom classifies this advisory as containing "Critical" updates)
- **CWE:** N/A
## Affected Systems
- **Products:** VMware Tanzu for Valkey
- **Versions:**
- Versions prior to 7.2.13
- Versions prior to 8.0.9
- Versions prior to 8.1.7
- Versions prior to 9.0.4
- **Configurations:** Systems running the Valkey data store within the VMware Tanzu ecosystem.
## Vulnerability Description
While the specific technical mechanics (e.g., buffer overflow, injection) are not detailed in the CCCS bulletin, the vulnerabilities affect the VMware Tanzu for Valkey service. These updates are categorized as critical, suggesting flaws that could allow for remote code execution, unauthorized data access, or significant service disruption within the Valkey (formerly Redis-compatible) data structure store.
## Exploitation
- **Status:** Not specified (No mention of active exploitation in the wild within this advisory)
- **Complexity:** Undetermined
- **Attack Vector:** Likely Network (based on the nature of Valkey/Redis services)
## Impact
- **Confidentiality:** High (Potential for unauthorized data exposure)
- **Integrity:** High (Potential for data modification)
- **Availability:** High (Potential for service crashing or resource exhaustion)
## Remediation
### Patches
Broadcom has released the following patched versions. Users should upgrade to the corresponding branch:
- **VMware Tanzu for Valkey 7.2.13**
- **VMware Tanzu for Valkey 8.0.9**
- **VMware Tanzu for Valkey 8.1.7**
- **VMware Tanzu for Valkey 9.0.4**
### Workarounds
- No specific workarounds were provided in the bulletin. Immediate patching is the recommended course of action.
- General Mitigation: Ensure Valkey instances are protected by robust network ACLs and are not exposed to the public internet.
## Detection
- **Indicators of Compromise:** Monitor for unusual spikes in memory usage, unauthorized connection attempts to Valkey ports, or unexpected administrative command execution.
- **Detection methods and tools:** Utilize vulnerability scanners to identify outdated Tanzu components. Review system logs for the Valkey service for anomalies.
## References
- **Vendor Advisory:** hxxps[://]support[.]broadcom[.]com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/37556
- **Broadcom Security Portal:** hxxps[://]support[.]broadcom[.]com/web/ecx/security-advisory?segment=VT
- **Canadian Centre for Cyber Security:** hxxps[://]www[.]cyber[.]gc[.]ca/en/alerts-advisories/broadcom-vmware-security-advisory-av26-536