Advisory Details

October 15th, 2024

PostHog database_schema Server-Side Request Forgery Information Disclosure Vulnerability

ZDI-24-1383
ZDI-CAN-25351

CVE ID CVE-2024-9710
CVSS SCORE 7.1, AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
AFFECTED VENDORS PostHog
AFFECTED PRODUCTS PostHog
VULNERABILITY DETAILS

This vulnerability allows remote attackers to disclose sensitive information on affected installations of PostHog. Authentication is required to exploit this vulnerability.

The specific flaw exists within the implementation of the database_schema method. The issue results from the lack of proper validation of a URI prior to accessing resources. An attacker can leverage this vulnerability to execute code in the context of the service account.
ADDITIONAL DETAILS PostHog has issued an update to correct this vulnerability. More details can be found at:
https://github.com/PostHog/posthog/pull/25388
DISCLOSURE TIMELINE
  • 2024-10-03 - Vulnerability reported to vendor
  • 2024-10-15 - Coordinated public release of advisory
  • 2024-10-15 - Advisory Updated
CREDIT Mehmet INCE (@mdisec) from PRODAFT.com
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