UBUNTU-CVE-2021-21327

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UBUNTU-CVE-2021-21327

Summary:

Details: GLPI is an open-source asset and IT management software package that provides ITIL Service Desk features, licenses tracking and software auditing. In GLPI before version 9.5.4 non-authenticated user can remotely instantiate object of any class existing in the GLPI environment that can be used to carry out malicious attacks, or to start a “POP chain”. As an example of direct impact, this vulnerability affects integrity of the GLPI core platform and third-party plugins runtime misusing classes which implement some sensitive operations in their constructors or destructors. This is fixed in version 9.5.4.

References: https://ubuntu.com/security/CVE-2021-21327, https://github.com/glpi-project/glpi/security/advisories/GHSA-qmw7-w2m4-rjwp, http://packetstormsecurity.com/files/161680/GLPI-9.5.3-Unsafe-Reflection.html, https://github.com/glpi-project/glpi/releases/tag/9.5.4, https://www.cve.org/CVERecord?id=CVE-2021-21327