MSA-13-0021: Potential information leak in Gradebook

by Michael de Raadt.  

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Description:The Gradebook's Overview report was showing grade totals that may have incorrectly included hidden grades.
Issue summary:The method for figuring out showtotalsifcontainhidden on the overview report is flawed
Severity/Risk:Minor
Versions affected:2.4 to 2.4.3, 2.3 to 2.3.6, earlier unsupported versions
Versions
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MSA-13-0020: Capability issue in Assignment

by Michael de Raadt.  

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Description:The assignment module was not checking capabilities for users downloading all assignments as a zip.
Issue summary:Students can download assignments submitted by other students
Severity/Risk:Serious
Versions affected:2.4 to 2.4.3, 2.3 to 2.3.6
Versions fixed:2.5, 2.4.4 and 2.3.7
Reported by:Phillip Franks
Issue no.:M
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MSA-13-0019: Unauthorised settings editing through WebDav repository

by Michael de Raadt.  

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Description:Any user able to view WebDav repositories was able to view, edit and delete site-wide WebDav repositories
Issue summary:Site-wide WebDAV repository instances options are accessible
Severity/Risk:Serious
Versions affected:2.4 to 2.4.1, 2.3 to 2.3.4, 2.2 to 2.2.7, earlier unsupported versions (2.x only)
Versions
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MSA-13-0017: Form manipulation issue in notes

by Michael de Raadt.  

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Description:By manipulating form elements it was possible to assign a note to a different user during editing
Issue summary:Go to the edit notes form, change userid in the html with firebug => the targeted note user is changed
Severity/Risk:Minor
Versions affected:2.4 to 2.4.1, 2.3 to 2.3.4, 2.2 to 2.2.7, earlier
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