PT-2019-10251 · Pulse Secure · Pulse Secure Desktop

Published 2019-03-16 · Updated 2020-05-11 · CVE-2018-20812

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions: Pulse Secure Desktop versions 9.0R1 and below

Description: The issue is related to information exposure where IPv6 DNS traffic is sent outside of the VPN tunnel when Traffic Enforcement is enabled. This problem is specific to dual-stack endpoints that support both IPv4 and IPv6.

Recommendations: For Pulse Secure Desktop versions 9.0R1 and below, consider disabling Traffic Enforcement as a temporary workaround to prevent IPv6 DNS traffic from being sent outside the VPN tunnel until a fix is available.

Fix

Information Disclosure

Weakness Enumeration

CWE-200

Related Identifiers

CVE-2018-20812

Affected Products

Pulse Secure Desktop

References · 3

• https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA43877 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2018-20812 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-20812 · Security Note