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CVE-2024-28247

Pi-hole privilege escalation

7.6 HIGHPublic exploitEPSS 1.41%
  1. Published27 Mar 2024

Description

The Pi-hole is a DNS sinkhole that protects your devices from unwanted content without installing any client-side software. A vulnerability has been discovered in Pihole that allows an authenticated user on the platform to read internal server files arbitrarily, and because the application runs from behind, reading files is done as a privileged user.If the URL that is in the list of "Adslists" begins with "file*" it is understood that it is updating from a local file, on the other hand if it does not begin with "file*" depending on the state of the response it does one thing or another. The problem resides in the update through local files. When updating from a file which contains non-domain lines, 5 of the non-domain lines are printed on the screen, so if you provide it with any file on the server which contains non-domain lines it will print them on the screen. This vulnerability is fixed by 5.18.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredLow
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityLow
AvailabilityLow
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L

Affected products

Pi-hole< 5.18

Remediation

Fixed in
Pi-hole≥ 5.18

References

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Frequently asked

Is CVE-2024-28247 being actively exploited?

CVE-2024-28247 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 1.41%.

How severe is CVE-2024-28247?

CVE-2024-28247 has a CVSS 3.1 base score of 7.6, rated high. EPSS estimates a 1.41% probability of exploitation.

Which products are affected by CVE-2024-28247?

Affected products include Pi-hole.

How do I fix CVE-2024-28247?

Upgrade affected software to a fixed version, for example Pi-hole 5.18 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2024-28247 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.