Vulnerability CVE-2016-6190
Published: 2017-02-17

Description:
SOGo before 2.3.12 and 3.x before 3.1.1 does not restrict access to the UID and DTSTAMP attributes, which allows remote authenticated users to obtain sensitive information about appointments with the "View the Date & Time" restriction, as demonstrated by correlating UIDs and DTSTAMPs between all users.

CVSS2 => (AV:N/AC:L/Au:S/C:P/I:N/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4/10
2.9/10
8/10
Exploit range
Attack complexity
Authentication
Remote
Low
Single time
Confidentiality impact
Integrity impact
Availability impact
Partial
None
None
Affected software
Inverse-inc -> SOGO 

 References:
http://www.openwall.com/lists/oss-security/2016/07/09/3
https://github.com/inverse-inc/sogo/commit/717f45f640a2866b76a8984139391fae64339225
https://github.com/inverse-inc/sogo/commit/875a4aca3218340fd4d3141950c82c2ff45b343d
https://sogo.nu/bugs/view.php?id=3696
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