Pulsesecure

An issue was discovered in Pulse Secure Pulse Connect Secure (PCS) through 2020-04-06. The applet in tncc.jar, executed on macOS, Linux, and Solaris clients when a Host Checker policy is enforced, launches a TCP server that accepts local connections on a random port. This can be reached by local HTTP clients, because up to 25 invalid lines are ignored, and because DNS rebinding can occur. (This server accepts, for example, a setcookie command that might be relevant to CVE-2020-11581 exploitation.)Show less

An issue was discovered in Pulse Secure Pulse Connect Secure (PCS) through 2020-04-06. The applet in tncc.jar, executed on macOS, Linux, and Solaris clients when a Host Checker policy is enforced, allows a man-in-the-middle attacker to perform OS command injection attacks (against a client) via shell metacharacters to the doCustomRemediateInstructions method, because Runtime.getRuntime().exec() is used.Show less

An issue was discovered in Pulse Secure Pulse Connect Secure (PCS) through 2020-04-06. The applet in tncc.jar, executed on macOS, Linux, and Solaris clients when a Host Checker policy is enforced, accepts an arbitrary SSL certificate.Show less

An information exposure issue where IPv6 DNS traffic would be sent outside of the VPN tunnel (when Traffic Enforcement was enabled) exists in Pulse Secure Pulse Secure Desktop 9.0R1 and below. This is applicable only to dual-stack (IPv4/IPv6) endpoints.Show less

Session data between cluster nodes during cluster synchronization is not properly encrypted in Pulse Secure Pulse Connect Secure (PCS) 8.3RX before 8.3R2 and Pulse Policy Secure (PPS) 5.4RX before 5.4R2. This is not applicable to PCS 8.1RX, PPS 5.2RX, or stand-alone devices.Show less

Jonathan Looney discovered that the TCP retransmission queue implementation in tcp_fragment in the Linux kernel could be fragmented when handling certain TCP Selective Acknowledgment (SACK) sequences. A remote attacker could use this to cause a denial of service. This has been fixed in stable kernel releases 4.4.182, 4.9.182, 4.14.127, 4.19.52, 5.1.11, and is fixed in commit f070ef2ac66716357066b683fb0baf55f8191a2e.Show less

Jonathan Looney discovered that the TCP_SKB_CB(skb)->tcp_gso_segs value was subject to an integer overflow in the Linux kernel when handling TCP Selective Acknowledgments (SACKs). A remote attacker could use this to cause a denial of service. This has been fixed in stable kernel releases 4.4.182, 4.9.182, 4.14.127, 4.19.52, 5.1.11, and is fixed in commit 3b4929f65b0d8249f19a50245cd88ed1a2f78cff.Show less

In Pulse Secure Pulse Connect Secure (PCS) before 8.1R15.1, 8.2 before 8.2R12.1, 8.3 before 8.3R7.1, and 9.0 before 9.0R3.4 and Pulse Policy Secure (PPS) before 5.1R15.1, 5.2 before 5.2R12.1, 5.3 before 5.3R15.1, 5.4 before 5.4R7.1, and 9.0 before 9.0R3.2, an authenticated attacker (via the admin web interface) can exploit Incorrect Access Control to execute arbitrary code on the appliance.Show less

In Pulse Secure Pulse Connect Secure (PCS) before 8.1R15.1, 8.2 before 8.2R12.1, 8.3 before 8.3R7.1, and 9.0 before 9.0R3.4, an authenticated attacker (via the admin web interface) can exploit Directory Traversal to execute arbitrary code on the appliance.Show less

XSS exists in the admin web console in Pulse Secure Pulse Connect Secure (PCS) 9.0RX before 9.0R3.4, 8.3RX before 8.3R7.1, and 8.1RX before 8.1R15.1 and Pulse Policy Secure 9.0RX before 9.0R3.2, 5.4RX before 5.4R7.1, and 5.2RX before 5.2R12.1.Show less

In Pulse Secure Pulse Connect Secure version 9.0RX before 9.0R3.4, 8.3RX before 8.3R7.1, 8.2RX before 8.2R12.1, and 8.1RX before 8.1R15.1 and Pulse Policy Secure version 9.0RX before 9.0R3.2, 5.4RX before 5.4R7.1, 5.3RX before 5.3R12.1, 5.2RX before 5.2R12.1, and 5.1RX before 5.1R15.1, an authenticated attacker (via the admin web interface) can send a specially crafted message resulting in a stack buffer overflow.Show less

In Pulse Secure Pulse Connect Secure version 9.0RX before 9.0R3.4, 8.3RX before 8.3R7.1, and 8.2RX before 8.2R12.1, users using SAML authentication with the Reuse Existing NC (Pulse) Session option may see authentication leaks.Show less

In Pulse Secure Pulse Connect Secure version 9.0RX before 9.0R3.4 and 8.3RX before 8.3R7.1 and Pulse Policy Secure version 9.0RX before 9.0R3.2 and 5.4RX before 5.4R7.1, an unauthenticated, remote attacker can conduct a session hijacking attack.Show less

In Pulse Secure Pulse Connect Secure version 9.0RX before 9.0R3.4, 8.3RX before 8.3R7.1, 8.2RX before 8.2R12.1, and 8.1RX before 8.1R15.1 and Pulse Policy Secure version 9.0RX before 9.0R3.2, 5.4RX before 5.4R7.1, 5.3RX before 5.3R12.1, 5.2RX before 5.2R12.1, and 5.1RX before 5.1R15.1, the admin web interface allows an authenticated attacker to inject and execute commands.Show less

In Pulse Secure Pulse Desktop Client and Network Connect, an attacker could access session tokens to replay and spoof sessions, and as a result, gain unauthorized access as an end user, a related issue to CVE-2019-1573. (The endpoint would need to be already compromised for exploitation to succeed.) This affects Pulse Desktop Client 5.x before Secure Desktop 5.3R7 and Pulse Desktop Client 9.x before Secure Desktop 9.0R3. It also affects (for Network Connect customers) Pulse Connect Secure 8.1 before 8.1R14, 8.3 before 8.3R7, and 9.0 before 9.0R3.Show less

Certain Secure Access SA Series SSL VPN products (originally developed by Juniper Networks but now sold and supported by Pulse Secure, LLC) allow privilege escalation, as demonstrated by Secure Access SSL VPN SA-4000 5.1R5 (build 9627) 4.2 Release (build 7631). This occurs because appropriate controls are not performed. Specifically, it is possible for a readonly user to change the administrator user password by making a local copy of the /dana-admin/user/update.cgi page, changing the "user" value, and saving the changes.Show less

A stored cross-site scripting (XSS) vulnerability in the web administration user interface of Pulse Secure Virtual Traffic Manager may allow a remote authenticated attacker to inject web script or HTML via a crafted website and steal sensitive data and credentials. Affected releases are Pulse Secure Virtual Traffic Manager 9.9 versions prior to 9.9r2 and 10.4r1.Show less