CVE-2024-28240: glpi agent Input Validation Flaw — Fix

Description

The GLPI Agent is a generic management agent. A vulnerability that only affects GLPI-Agent installed on windows via MSI packaging can allow a local user to cause denial of agent service by replacing GLPI server url with a wrong url or disabling the service. Additionally, in the case the Deploy task is installed, a local malicious user can trigger privilege escalation configuring a malicious server providing its own deploy task payload. GLPI-Agent 1.7.2 contains a patch for this issue. As a workaround, edit GLPI-Agent related key under `HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall` and add `SystemComponent` DWORD value setting it to `1` to hide GLPI-Agent from installed applications.

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CVSS v3.1 Score

7.3

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-20 Improper Input Validation

Affected Products

Vendor	Product	Versions
glpi-project	glpi_agent	< 1.7.2

References

Advisories & Patches

https://github.com/glpi-project/glpi-agent/commit/41bbb1169e899bd15350a9e2fdbf9269a3b7a14f https://github.com/glpi-project/glpi-agent/security/advisories/GHSA-hx3x-mmqg-h3jp https://github.com/glpi-project/glpi-agent/commit/41bbb1169e899bd15350a9e2fdbf9269a3b7a14f https://github.com/glpi-project/glpi-agent/security/advisories/GHSA-hx3x-mmqg-h3jp

Frequently Asked Questions

What is CVE-2024-28240? +

The GLPI Agent is a generic management agent. A vulnerability that only affects GLPI-Agent installed on windows via MSI packaging can allow a local user to cause denial of agent service by replacing GLPI server url with a wrong url or disabling the service. Additionally, in the case the Deploy task is installed, a local malicious user can trigger privilege escalation configuring a malicious server providing its own deploy task payload. GLPI-Agent 1.7.2 contains a patch for this issue. As a workaround, edit GLPI-Agent related key under `HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall` and add `SystemComponent` DWORD value setting it to `1` to hide GLPI-Agent from installed applications. It has a CVSS v3.1 base score of 7.3 (HIGH).

How severe is CVE-2024-28240? +

CVE-2024-28240 has a CVSS v3.1 score of 7.3 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-28240? +

CVE-2024-28240 affects products from glpi-project, specifically: glpi_agent. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-28240? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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