VMware

Versions Tested: VMware Fusion 11.5.3 Products: https://www.vmware.com/products/fusion.html https://docs.vmware.com/en/VMware-Remote-Console/index.html https://docs.vmware.com/en/VMware-Horizon-Client/index.html Security Advisories: https://www.vmware.com/security/advisories/VMSA-2020-0011.html CVE Number(s): CVE-2020-3957 CVSS Score: 7.3 CWE: CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition CWE-424: Improper Protection of Alternate Path NIST: N/A OWASP: N/A Summary: VMware Fusion, VMRC and Horizon Client contain a local privilege escalation vulnerability due to a Time-of-check Time-of-use (TOCTOU) issue […]

Background:  While conducting a penetration test of a client’s external network, I discovered three separate instances of information disclosure in VMware’s Horizon Access Web Portal. An unauthenticated user could access information such as internal domain names, the Connection Server’s internal hostname, or the gateway’s internal IP address. Version Tested 4.7.0 CVE Number CVE-2019-5513 Security Advisoriess VMSA-2019-0003 – […]