SolarWinds Access Rights Manager JsonSerializationBinder Deserialization of Untrusted Data Remote Code Execution Vulnerability

March 28th, 2024
ZDI-24-347 ZDI-CAN-22416

CVE ID

CVE-2024-23478

CVSS Score

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

Affected Vendors

SolarWinds

Affected Products

Access Rights Manager

Vulnerability Details

This vulnerability allows remote attackers to execute arbitrary code on affected installations of SolarWinds Access Rights Manager. Authentication is required to exploit this vulnerability.

The specific flaw exists within the JsonSerializationBinder class. The issue results from the lack of proper validation of user-supplied data, which can result in deserialization of untrusted data. An attacker can leverage this vulnerability to execute code in the context of the service account.

Additional Details

SolarWinds has issued an update to correct this vulnerability. More details can be found at:
https://documentation.solarwinds.com/en/success_center/arm/content/release_notes/arm_2023-2-3_release_notes.htm

Disclosure Timeline

  • 2023-10-19 - Vulnerability reported to vendor
  • 2024-03-28 - Coordinated public release of advisory
  • 2024-07-01 - Advisory Updated

Credit

Piotr Bazydlo (@chudypb) of Trend Micro Zero Day Initiative

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