The solution for these vulnerabilities is to upgrade your Pulse Connect Secure and Pulse Policy Secure server software version to the corresponding version that has the fix. The following table provides guidance on the software you should deploy depending on current software version.
|If the PCS/PPS version is installed:||Then deploy this version (or later)|
to resolve the issue:
|Expected Release||Notes (if any)|
Pulse Connect Secure 9.0RX
|Pulse Connect Secure 9.0R3.4 & 9.0R4||Available Now|| |
|Pulse Connect Secure 8.3RX||Pulse Connect Secure 8.3R7.1||Available Now|| |
|Pulse Connect Secure 8.2RX||Pulse Connect Secure 8.2R12.1||Available Now|| |
|Pulse Connect Secure 8.1RX||Pulse Connect Secure 8.1R15.1||Available Now|| |
|Pulse Policy Secure 9.0RX||Pulse Policy Secure 9.0R3.2 & 9.0R4||Available Now|| |
|Pulse Policy Secure 5.4RX||Pulse Policy Secure 5.4R7.1||Available Now|| |
|Pulse Policy Secure 5.3RX||Pulse Policy Secure 5.3R12.1||Available Now|| |
|Pulse Policy Secure 5.2RX||Pulse Policy Secure 5.2R12.1||Available Now|| |
|Pulse Policy Secure 5.1RX||Pulse Policy Secure 5.1R15.1||Available Now|| |
Exploitation and Announcements:
These vulnerabilities described in this advisory was found and properly disclosed by security researchers on March 22, 2019.
As of Jan 2020, Pulse Secure PSIRT is aware of attempted exploitation of this vulnerability in the wild related to REvil ransomware. Pulse Secure is strongly recommending to upgrade to the patched software as soon as possible.
Frequently Asked Questions (FAQ):
Question 1: Can I delay the upgrade and upgrade to the next major release instead?
Answer: No, Pulse Secure recommends to upgrade to the corresponding version with the fix as soon as possible. Question 2: Where can I find and download the security patches for CVE-2019-11510 vulnerability?
Answer: All security patches are available from the Download Center at https://my.pulsesecure.net
. For instructions to download software, please refer to KB40028 - [Customer Support Tools] How to download software / firmware for Pulse Secure products using the Licensing & Download Center at my.pulsesecure.netQuestion 3: Will the device reboot after upgrading to the fix version?
Answer: Yes, once you upgrade your device it will automatically get rebooted. Question 4: Do I need to upgrade client components (including Pulse Desktop Client, Network Connect, WSAM, Terminal Services) on my Windows, Mac, Linux, Android, or IOS endpoints?
Answer:For Pulse Desktop Client or Pulse Mobile (for iOS and Android)
- Upgrade of these client components are not required.
Pulse Desktop Clients will upgrade on the end points if the PCS/PPS server side configuration is set to “Auto-Upgrade” with a higher Pulse Desktop Client package set to Active. To avoid upgrading the Pulse Desktop Client, please upload the equivalent Pulse Desktop Client version and mark as Active.For WSAM, Network Connect, Host Checker, and Terminal Services customers
Question 5: How do I upgrade Pulse Connect Secure / Pulse Policy Secure to resolve this vulnerability?
- The client will be upgraded as part of the server upgrade. If client machines do not have administrator privileges, ensure Pulse Secure Installer Service is installed or have the required privileges/rights.
Answer: Download a fixed version of the Pulse Connect Secure or Pulse Policy Secure available from the Licensing & Download Center at https://my.pulsesecure.net
. For upgrade documentation, please refer to:
For additional FAQ and upgrade recommendations, refer to KB23051
.Question 6: Is there any workaround to fix this vulnerability temporarily?
Answer: No, there is no workaround. Pulse Secure is strongly recommending for administrator to upgrade their devices to fixed versions.Question 7: I do not have access to my.pulsesecure.net to download the recommended PCS/PPS version.
Answer: Please refer KB40031
to Onboarding at my.pulsesecure.net. If you face any issue, please contact Pulse Secure Global Support Center.Question 8: Does Pulse Secure recommend to take any additional precautionary action after upgrading to the patched software?
Answer: As a precautionary measure, Pulse Secure recommends the following steps:
- Any end user and administrator passwords used to login to the device should be changed.
- Any service account passwords stored on the device (LDAP, RADIUS, AD, etc.) should be changed.
- Replace device certificates(s) by generating a new certificate signing request (CSR) on the device.
- If TOTP Auth Server is configured on the appliance, administrator needs to reset the TOTP users to register again. Refer KB41050 for details.
Question 9: After upgrading to the patched version, Qualys and Tenable is still showing the device as vulnerable?
Answer: Qualys and Tenable are parsing the version number and does not properly confirm the issue. Pulse Secure is working with both vendors to properly detect the issue. If the device is running a patched version, CVE-2019-11510 is no longer applicable.
April 24, 2019 - Initial advisory posted and software was posted to the Download Center.
April 25, 2019 - CVE-2019-11510, CVE-2019-11509, CVE-2019-11508, CVE-2019-11507, CVE-2019-11543, CVE-2019-11542, CVE-2019-11541, CVE-2019-11540, CVE-2019-11539, CVE-2019-11538 were assigned. Workaround provided for CVE-2019-11508.
July 26, 2019 - Adding information about 9.1RX
July 30, 2019 - Change description verbiage for CVE-2019-11538
August 17, 2019 - Updated details for CVE-2019-11510 as 8.1RX and below are not directly impacted
August 20, 2019 - Updated verbiage for the description of CVE-2019-11540 and CVE-2019-11510
October 17, 2019 - Updated the recommendation to reset the TOTP Users.
Jan 13, 2020 - Updated verbiage in exploitation and public announcements section
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