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Apache OpenMeetings 3.1.0 MD5 Hashing

Apache OpenMeetings 3.1.0 MD5 Hashing
Posted Mar 25, 2016
Authored by Andreas Lindh

The hash generated by the external password reset function is generated by concatenating the user name and the current system time, and then hashing it using MD5. This is highly predictable and can be cracked in seconds by an attacker with knowledge of the user name of an OpenMeetings user. Apache OpenMeetings versions 1.9.x through 3.1.0 are affected.

tags | advisory
advisories | CVE-2016-0783
MD5 | eac9e3ce66e8af44b0c54a4a4dd70814

Apache OpenMeetings 3.1.0 MD5 Hashing

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Severity: Critical

Vendor: The Apache Software Foundation

Versions Affected: Apache OpenMeetings 1.9.x - 3.1.0

Description:
The hash generated by the external password reset function is
generated by concatenating the user name and the current system time,
and then hashing it using MD5. This is highly predictable and can be
cracked in seconds by an attacker with knowledge of the user name of
an OpenMeetings user.

All users are recommended to upgrade to Apache OpenMeetings 3.1.1

Credit: This issue was identified by Andreas Lindh


Apache OpenMeetings Team

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