#VU74596 Improper Authorization in GLPI - CVE-2023-28634

Vulnerability identifier: #VU74596

Vulnerability risk: Low

CVSSv4.0: 6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-28634

CWE-ID: CWE-285

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
GLPI
Web applications / CRM systems

Vendor: glpi-project

Description

The vulnerability allows a remote user to escalate privileges within the application.

The vulnerability exists due to missing authorization that allows a user with the Technician profile to view and generate a Personal token for a Super-Admin. Using such token it is possible to negotiate a GLPI session and hijack the Super-Admin account.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

GLPI: 0.83 - 0.90.5, 9.1 - 9.5.12, 10.0.0 rc2 - 10.0.6

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External links
https://github.com/glpi-project/glpi/releases/tag/9.5.13
https://github.com/glpi-project/glpi/releases/tag/10.0.7
https://github.com/glpi-project/glpi/security/advisories/GHSA-4279-rxmh-gf39

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.