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Advisories

ILIAS before 9.23, 10.11, and 11.4 Missing Authorization in Group Object Action Methods

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severity
medium
date
Affecting

  • ILIAS >= 9.0, < 9.23

  • ILIAS >= 10.0, < 10.11

  • ILIAS >= 11.0, < 11.4

CWE
  • CWE-862 Missing Authorization
CVSS
5.3
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N
Credit
Siyang Wu
Description
ILIAS versions before 9.23, 10.11, and 11.4 contain an authorization bypass vulnerability in ilObjGroupGUI where saveMapSettingsObject() and updateGroupTypeObject() perform state-changing operations without write permission checks. Authenticated users with only read access to a group can craft POST requests to modify group map settings and didactic template assignments, changing group modes and permissions for all members.

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