Arbitrary File Read Affecting ghost package, versions <5.59.1


Severity

0.0
medium
0
10

    Threat Intelligence

    EPSS
    0.05% (19th percentile)

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  • Snyk ID SNYK-JS-GHOST-5843513
  • published 16 Aug 2023
  • disclosed 15 Aug 2023
  • credit ixSly

How to fix?

Upgrade ghost to version 5.59.1 or higher.

Overview

ghost is a publishing platform

Affected versions of this package are vulnerable to Arbitrary File Read which allows authenticated users to upload files that are symlinks. This can be exploited to perform an arbitrary file read of any file on the host operating system.

Note: Site administrators can check for exploitation of this issue by looking for unknown symlinks within Ghost's content/ folder.

References

CVSS Scores

version 3.1
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Snyk

5.3 medium
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    High
  • Privileges Required (PR)
    Low
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    High
  • Integrity (I)
    None
  • Availability (A)
    None
Expand this section

NVD

6.5 medium