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OpenXchange User Enumeration
`Hi@all,
there is an information disclosure in OpenXchange (prior 7.8).
An authenticated user can enumerate all imap user folders. If you browse
the PoC you get an permission denied error, but the folder’s name is
reflected into the page in json format.
About Open Xchange:
Open-Xchange[2] develops, markets and sells web-based communication,
collaboration and office productivity software, which enables full
integration of email, documents, scheduling and social media
Risk-Rating: Very low
PoC:
https://ox.com/appsuite/api/tasks?action=all&folder=10>&columns=6%2C20%2C200%2C202%2C203%2C221%2C300%2C309&sort=202&order=asc&timezone=UTC&session=<YOUR_SESSION>
You have to paste your valid session. The Vulnerable parameter is
folder. It requires an integer.
The vendor has been informed and fixed the Bug in newest Version.
Best regards
Tim Schughart
IT Security engineer
ProSec Networks
Website: https://www.prosec-networks.com
E-Mail: [email protected]
Phone: +49(0) 2621 9469 252
`
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01 Feb 2016 00:00Current
7.4High risk
Vulners AI Score7.4