Title: Microsoft Office Encrypted Document RC4 Implementation Weakness
Info
Disclosure
Jan 11, 2005
Discovery
Unknown
Dates
Exploit
Unknown
Solution
Unknown
Description
Office contains a flaw that may lead to an unauthorized information disclosure. The issue is triggered when the initialization vector is re-used when encrypting Word and Excel files, which will cause the resulting keystreams to be vulnerable to cryptanalysis resulting in a loss of confidentiality.
Classification
Location:
Location Unknown
Attack Type:
Cryptographic
Impact:
Loss of Confidentiality
Solution
Currently, there are no known upgrades, patches, or workarounds available to correct this issue.