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Advisories

ILIAS before 9.24, 10.12, and 11.5 PHP Object Injection via Test Results Import

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Severity
high
Date
Affecting

  • ILIAS >= 9.0, < 9.24

  • ILIAS >= 10.0, < 10.12

  • ILIAS >= 11.0, < 11.5

CWE
  • CWE-502 Deserialization of Untrusted Data
CVSS
8.7
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Credit
André Schweigert (SchweigertIT)
Description
ILIAS before 9.24, 10.12, and 11.5 contains a PHP object injection vulnerability that allows authenticated users with Test creation or import permission to deserialize arbitrary objects via crafted Test archives. Attackers can inject a malicious tst_sequence sequence attribute that is passed to unserialize(), abusing Guzzle or Monolog gadget chains to write PHP files and execute code.

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