Proofpoint Enterprise Protection Local Privilege Escalation

Proofpoint Enterprise Protection Local Privilege Escalation, CVE-2022-46334

Advisory ID: PFPT-SA-2022-0004

Proofpoint Enterprise Protection (PPS/PoD) contains a vulnerability which allows the pps user to escalate to root privileges due to unnecessary permissions.

This affects all versions 8.19.0 and below.

Vulnerability Information

This vulnerability is identified by CVE-2022-46334.  Proofpoint has released patches to address this issue.  If you are running an end of life version, please update to a fully supported version as soon as possible.

This vulnerability has been assigned a CVSS score of 7.8:

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Fixed Software

Proofpoint has released the following patches:

8.19.0   patch 4550
8.18.6   patch 4549
8.13.22 patch 4548

The patches are now available through the customer support portal.

Proofpoint On-Demand Customers

No action is required. Applicable fixes have already been deployed by Proofpoint.

Proofpoint On-Premises Customers

If you are running a supported version that is configured to deploy releases automatically, no action is required.  Applicable fixes have been automatically deployed.

For on-premise environments that are configured to manually apply releases, install the applicable release as noted above.

If you are running an end of life release please upgrade to a supported release as soon as possible.

For any questions or concerns please contact Proofpoint Support.

Acknowledgments

Thanks to ly1g3 for their co-ordinated disclosure of this issue.

URL

https://www.proofpoint.com/security/security-advisories/pfpt-sa-2022-0004

Revision History

Version Description Section Date
1.0 Initial Release   December 16, 2022
2.0 Updated CVSS score based on CVMAP recommendation Vulnerability Information July 11, 2023

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