Multiple serious vulnerabilities have been found in Oracle VM VirtualBox. Malicious users can exploit these vulnerabilities to obtain sensitive information and gain privileges.

Below is a complete list of vulnerabilities:

1. Multiple unspecified vulnerabilities in Core subcomponent of Oracle Virtualization can be exploited locally to gain privileges and possibly to obtain sensitive information;
2. An unspecified vulnerability in Guest Additions subcomponent of Oracle Virtualization can be exploited locally to gain privileges and possibly to obtain sensitive information;
3. Vulnerability in OpenSSL component of Oracle VM VirtualBox can be exploited remotely via using a carry propagation flaw in the x86_64 Montgomery squaring function to obtain sensitive information about the SSL private keys.

Technical details

Vulnerability (3) affects only OpenSSL before 1.0.2m and 1.1.0 before 1.1.0g on the processors that support the BMI1, BMI2 and ADX extensions like Intel Broadwell (5th generation) and later or AMD Ryzen.

Oracle VM VirtualBox 5.1.x earlier than 5.1.32
Oracle VM VirtualBox 5.2.x earlier than 5.2.6

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