Oracle Access Management CustomReadServlet Directory Traversal Information Disclosure Vulnerability

October 21st, 2022
ZDI-22-1443 ZDI-CAN-17705

CVE ID

CVE-2022-39412

CVSS Score

7.5 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected Vendors

Oracle

Affected Products

Access Management

Vulnerability Details

This vulnerability allows remote attackers to disclose sensitive information on affected installations of Oracle Access Management. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the handling of the ContextValue parameter provided to the CustomReadServlet endpoint. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to disclose stored credentials, leading to further compromise.

Additional Details

Oracle has issued an update to correct this vulnerability. More details can be found at:
https://www.oracle.com/security-alerts/cpuoct2022.html

Disclosure Timeline

  • 2022-08-03 - Vulnerability reported to vendor
  • 2022-10-21 - Coordinated public release of advisory

Credit

Anonymous

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