Tag: Vulnerability

XEN Hypervisor Vulnerabilities

And you were wondering why Amazon had rolling reboots of EC2 recently… From the Whitepaper “FROM RING 3 TO RING0: EXPLOITING THE XEN X86 INSTRUCTION EMULATOR” (bitdefender): ABSTRACT While a VMM can provide a considerable level of security by isolation, it is generally true that by increasing the code-base that runs on a given host …

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Group Policy Preferences Password Vulnerability Now Patched

Looks like Microsoft finally removed the ability to set admin account passwords through GPP due to the Group Policy Preferences password  exposure vulnerability. More information on how Group Policy Preferences are attacked is in the post “Finding Passwords in SYSVOL & Exploiting Group Policy Preferences“. Because of the security concerns with storing passwords in Group …

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