Security Bulletin: NVIDIA GeForce Experience - September 2018

Answer ID 4725
Updated 09/27/2018 10:53 AM

NVIDIA has released a software update to address potential security vulnerabilities in GeForce Experience. When GameStream is enabled and an unauthorized user gains system access, these issues may lead to limited user information disclosure, denial of service, or escalation of privileges. To protect your system, download and install this software update through the GeForce Experience Downloads page.

Go to NVIDIA Product Security.


Vulnerability Details

This section summarizes the potential vulnerabilities. Descriptions use CWE™, and base scores and vectors follow CVSS V3 standards.

CVE Description Base Score CVSS V3 Vector
CVE‑2018‑6261 NVIDIA GeForce Experience contains a vulnerability when GameStream is enabled which sets incorrect permissions on a file, which may to code execution, denial of service, or escalation of privileges by users with system access. 8.8 AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CVE‑2018‑6262 NVIDIA GeForce Experience contains a vulnerability when GameStream is enabled where limited sensitive user information may be available to users with system access, which may lead to information disclosure.
5.5 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

NVIDIA’s risk assessment is based on an average of risk across a diverse set of installed systems and may not represent the true risk of your local installation. NVIDIA recommends consulting a security or IT professional to evaluate the risk to your specific configuration.

Security Updates

The following table lists the software products and versions affected by these potential vulnerabilities, and the updated versions that address these vulnerabilities.

CVE Software Product Operating System Affected Versions Updated Versions
CVE‑2018‑6261
CVE‑2018‑6262
GeForce Experience Windows All versions prior to 3.15 3.15 or later

Download the updates from the NVIDIA GeForce Experience Downloads page, or open the client to automatically apply the security update.

Notes:

  • All branches prior to the versions listed in the Affected Versions column are impacted.
  • If you are using an unsupported version or an earlier unsupported branch, upgrade to the latest supported version. To identify products that are no longer supported contact NVIDIA Support.

Mitigations

None. See Security Updates for the versions to install to address these vulnerabilities.

Acknowledgements

CVE‑2018‑6261: NVIDIA thanks Mark Barnes for reporting this issue.

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Revision History

Revision Date Description
1.0 September 27, 2018 Initial release

Support

If you have any questions about this security bulletin, contact NVIDIA Support.

Disclaimer

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