83654 : Microsoft Office for Mac Insecure Permissions Arbitrary File Creation Local Privilege Escalation
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Disclosure Date


Microsoft Office for Mac contains a flaw that may allow an attacker to gain access to unauthorized privileges. The issue is triggered due to the installation folder having weak permissions, allowing a local attacker to replace binaries with malicious copies. When a user or administrator executes the alternate binary, the attacker's code will run with the same privileges as the user executing the program. This can be leveraged to take control of a system.


Location: Local Access Required
Attack Type: Input Manipulation
Impact: Loss of Integrity
Solution: Patch / RCS
Exploit: Exploit Public
Disclosure: Vendor Verified
OSVDB: Authentication Required


Currently, there are no known workarounds or upgrades to correct this issue. However, Microsoft has released a patch to address this vulnerability. Check the Microsoft Security Bulletin in the references section.


Microsoft Corporation
Office for Mac



CVSSv2 Score

CVSSv2 Base Score = 6.9
Source: nvd.nist.gov | Generated: 2012-07-11 | Disagree?

Access_vector_0 Access_complexity_1 Authentication_2 Confidentiality_impact_2 Integrity_impact_2 Availability_impact_2


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