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Pimcore Preview Documents are not restricted to logged in users anymore

Moderate severity GitHub Reviewed Published Mar 26, 2024 in pimcore/pimcore • Updated Mar 27, 2024

Package

composer pimcore/pimcore (Composer)

Affected versions

> 11.0.0, < 11.1.6.1
>= 11.2.0, < 11.2.2

Patched versions

11.1.6.1
11.2.2

Description

Summary

Any call with the query argument ?pimcore_preview=true allows to view unpublished sites. Event if in incognito window. Due to the behaviour of how previews should work, this also applies to internal documents, say an intranet which could be really severe.

Details

In previous versions of Pimcore, session information would propagate to previews, so only a logged in user could open a preview. This no longer applies. Previews are broad open to any user and with just the hint of a restricted link one could gain access to possible confident / unreleased information.

PoC

  • go to demo.pimcore.com
  • unpublish a document
  • open preview link in incognito tab
  • see how the page loads normally

Impact

Any intranet or other restricted sites which are able to show a preview are affected. This could possibly be huge.

References

@wisconaut wisconaut published to pimcore/pimcore Mar 26, 2024
Published by the National Vulnerability Database Mar 26, 2024
Published to the GitHub Advisory Database Mar 26, 2024
Reviewed Mar 26, 2024
Last updated Mar 27, 2024

Severity

Moderate

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

EPSS score

0.043%
(11th percentile)

Weaknesses

CVE ID

CVE-2024-29197

GHSA ID

GHSA-5737-rqv4-v445

Source code

Credits

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Improvements are not currently accepted on this advisory because it uses an unsupported versioning operator. Read more and discuss here.