Multiple race conditions in HtmlCleaner before 2.6, as used in Open-Xchange AppSuite 7.2.2 before rev13 and other products, allow remote authenticated users to read the private e-mail of other persons in opportunistic circumstances by leveraging lack of thread safety and performing a rapid series of (1) mail-sending or (2) draft-saving operations.
CVSS Severity (version 2.0):
Impact Subscore: 4.9
Exploitability Subscore: 6.8
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Medium
Authentication: Required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification
CVSS score reflects vendor comments provided in http://archives.neohapsis.com/archives/bugtraq/2013-08/0115.html
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20130816 Open-Xchange Security Advisory 2013-08-16