Proofpoint Encryption Cross-Account Creation Vulnerability, CVE-2024-3676
Advisory ID: PFPT-SA-2024-0002
The Proofpoint Encryption endpoint of Proofpoint Enterprise Protection contains an Improper Input Validation vulnerability that allows an unauthenticated remote attacker with a specially crafted HTTP request to create additional Secure Reader accounts under the attacker's control. The account has limited available actions, but is able to send trusted email to any users within the domains configured by the Administrator.
Vulnerability Information
This vulnerability is identified by CVE-2024-3676. Proofpoint has released patches to address this issue.
This vulnerability has been assigned a CVSS score of 7.5 (HIGH):
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Fixed Software
Proofpoint has released fixed software versions:
8.18.6 patch 4868
8.20.0 patch 4869
8.20.2 patch 4870
8.20.4 patch 4871
8.21.0 patch 4872
All versions below the listed patch levels are vulnerable, including end-of-life software. The fixed software versions 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.
URL
https://www.proofpoint.com/us/security/security-advisories/pfpt-sa-2024-0002
Revision History
| Version | Description | Section | Date |
|---|---|---|---|
| 1.0 | Initial Release | May 13, 2024 |
Legal Disclaimer
THIS DOCUMENT IS PROVIDED ON AN "AS IS" BASIS AND DOES NOT IMPLY ANY KIND OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. YOUR USE OF THE INFORMATION ON THE DOCUMENT OR MATERIALS LINKED FROM THE DOCUMENT IS AT YOUR OWN RISK. PROOFPOINT RESERVES THE RIGHT TO CHANGE OR UPDATE THIS DOCUMENT AT ANY TIME.
A standalone copy or paraphrase of the text of this document that omits the distribution URL is an uncontrolled copy and may lack important information or contain factual errors. The information in this document is intended for authorized subscribers to Proofpoint products and services.