Microsoft is providing notification of the discovery and remediation of a vulnerability affecting VMware OVF Tool software version 2.1 and earlier versions. Microsoft discovered and disclosed the vulnerability under coordinated vulnerability disclosure to the affected vendor, VMware. VMware has remediated the vulnerability in their software.
A format string vulnerability exists in the VMware OVF Tool which can be exploited when OVF Tool parses specially crafted OVF files. An attacker who successfully exploited this vulnerability could gain the same user rights as the current user. If the current user is logged on with administrative user rights, an attacker who successfully exploited this vulnerability could take complete control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.
Microsoft Vulnerability Research reported this issue to and coordinated with VMware to ensure remediation of this issue. The vulnerability has been assigned the entry, CVE-2012-3569, in the Common Vulnerabilities and Exposures list. For more information, including information about updates from VMware, see VMware security advisory VMSA-2012-0015.