Cisco ASR 5000 Series Software (StarOS) ipsecmgr Process Denial of Service Vulnerability

A vulnerability in the ipsecmgr process of Cisco ASR 5000 Series Software StarOS could allow an unauthenticated, remote attacker to cause a denial of service DoS condition. This vulnerability is due to insufficient validation of incoming Internet Key Exchange Version 2 IKEv2 packets. An attacker...

CVE-2020-11163

Possible buffer overflow while updating ikev2 parameters due to lack of check of input validation for certain parameters received from the ePDG server in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile...

CVE-2020-11163

CVE-2020-11163 is a critical, network-exploitable buffer overflow reported in Qualcomm closed-source WLAN components used in Snapdragon platforms (Auto, Compute, Connectivity, C-IoT, Industrial IoT, Mobile). The issue stems from improper input validation when updating ikev2 parameters, enabling r...

CVE-2020-11163

Possible buffer overflow while updating ikev2 parameters due to lack of check of input validation for certain parameters received from the ePDG server in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile...

Cisco IOS XE Internet Key Exchange Version 2 DoS (cisco-sa-ikev2-9p23Jj2a)

According to its self-reported version, Cisco IOS XE is affected by a denial of service DoS vulnerability in its Internet Key Exchange IKE version 2 implementation due incorrect handling of IKEv2 SA-Init packets. An unauthenticated, remote attacker can exploit this issue, by sending specially...

Cisco IOS Internet Key Exchange Version 2 DoS (cisco-sa-ikev2-9p23Jj2a)

According to its self-reported version, IOS is affected by a denial of service DoS vulnerability in its Internet Key Exchange IKE version 2 implementation due incorrect handling of IKEv2 SA-Init packets. An unauthenticated, remote attacker can exploit this issue, by sending specially crafted IKEv...

Huawei Data Communication: Multiple Security Vulnerabilities in the IKEv2 Protocol Implementation of Huawei Products (huawei-sa-20171220-01-ikev2)

IKEv2 has an out-of-bounds write vulnerability due to insufficient input validation. Copyright C 2020 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This...

CVE-2020-3230

A vulnerability in the Internet Key Exchange Version 2 IKEv2 implementation in Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to prevent IKEv2 from establishing new security associations. The vulnerability is due to incorrect handling of crafted IKEv2...

CVE-2020-3230 Cisco IOS and IOS XE Software Internet Key Exchange Version 2 Denial of Service Vulnerability

A vulnerability in the Internet Key Exchange Version 2 IKEv2 implementation in Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to prevent IKEv2 from establishing new security associations. The vulnerability is due to incorrect handling of crafted IKEv2...

CVE-2020-3230

CVE-2020-3230 affects Cisco IOS and IOS XE IKEv2 handling of SA-Init packets. The issue, due to improper processing of crafted IKEv2 SA-Init messages, allows an unauthenticated remote attacker to cause a DoS by exhausting maximum incoming IKE negotiations, preventing new security associations fro...

Cisco IOS and IOS XE Software Internet Key Exchange Version 2 Denial of Service Vulnerability

A vulnerability in the Internet Key Exchange Version 2 IKEv2 implementation in Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to prevent IKEv2 from establishing new security associations. The vulnerability is due to incorrect handling of crafted IKEv2...

Huawei Products Multiple Security Vulnerabilities in the IKEv2 Protocol Implementation (huawei-sa-20171206-01-ikev2)

Multiple Huawei products are prone to multiple vulnerabilities in the IKEv2 protocol implementation. Copyright C 2020 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier:...

Denial Of Service (DoS)

Libreswan is vulnerable to denial of services DoS. The attack is due to lack of proper handling of memory, causing a NULL pointer dereference by initiating an IKEv2 IKESAINIT exchange, followed by a bogus INFORMATIONAL exchange instead of the normallly expected IKEAUTH exchange...

CVE-2019-10155

A vulnerability was found in the Libreswan Project. It was discovered that libreswan, strongswan, and openswan did not verify the integrity check value for received IKEv1 Informational Exchange packets. Mitigation If all IKE peers support IKEv2, it is possible to reconfigure IKEv1 connections to...

CVE-2019-12312

In Libreswan 3.27 an assertion failure can lead to a pluto IKE daemon restart. An attacker can trigger a NULL pointer dereference by initiating an IKEv2 IKESAINIT exchange, followed by a bogus INFORMATIONAL exchange instead of the normallly expected IKEAUTH exchange. This affects...

Inferring and hijacking VPN-tunneled TCP connections

We have discovered a vulnerability in Linux, FreeBSD, OpenBSD, MacOS, iOS, and Android which allows a malicious access point, or an adjacent user, to determine if a connected user is using a VPN, make positive inferences about the websites they are visiting, and determine the correct sequence and...

CVE-2018-5389

It was found that IKEv1 and potentially IKEv2 authentication when using a pre-shared key PSK is vulnerable to offline dictionary attacks in Main Mode as well as in Aggressive Mode. A man-in-the-middle attacker who intercepted the handshake of two peers authenticating with a PSK, could apply a...

SUSE SLED12 / SLES12 Security Update : strongswan (SUSE-SU-2019:3266-1)

This update for strongswan provides the following fixes : Security issues fixed : CVE-2018-5388: Fixed a buffer underflow which may allow to a remote attacker with local user credentials to resource exhaustion and denial of service while reading from the socket bsc1094462. CVE-2018-10811: Fixed a...

Linux Bug Opens Most VPNs to Hijacking

A vulnerability in most Linux distros has been uncovered that allows a network-adjacent attacker to hijack VPN connections and inject rogue data into the secure tunnels that victims are using to communicate with remote servers. According to researchers at University of New Mexico and Breakpointin...

New Linux Bug Lets Attackers Hijack Encrypted VPN Connections

A team of cybersecurity researchers has disclosed a new severe vulnerability affecting most Linux and Unix-like operating systems, including FreeBSD, OpenBSD, macOS, iOS, and Android, that could allow remote 'network adjacent attackers' to spy on and tamper with encrypted VPN connections. The...