libreswan: Invalid IKEv2 REKEY proposal causes restart

An assertion failure flaw was found in the Libreswan package that occurs when processing IKEv2 REKEY requests. When an IKEv2 Child SA REKEY packet contains an invalid IPsec protocol ID number of 0 or 1, an error notification INVALIDSPI is sent back. The notify payload's protocol ID is copied from...

Moderate: Red Hat Security Advisory: libreswan security update

An update for libreswan is now available for Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

CVE-2021-1424 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-2021-1424 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-2024-20474

A vulnerability in Internet Key Exchange version 2 IKEv2 processing of Cisco Secure Client Software could allow an unauthenticated, remote attacker to cause a denial of service DoS of Cisco Secure Client. This vulnerability is due to an integer underflow condition. An attacker could exploit this...

CVE-2024-20426

A vulnerability in the Internet Key Exchange version 2 IKEv2 protocol for VPN termination of Cisco Adaptive Security Appliance ASA Software and Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected...

CVE-2024-20474

A vulnerability in Internet Key Exchange version 2 IKEv2 processing of Cisco Secure Client Software could allow an unauthenticated, remote attacker to cause a denial of service DoS of Cisco Secure Client. This vulnerability is due to an integer underflow condition. An attacker could exploit this...

CVE-2024-20474

A vulnerability in Internet Key Exchange version 2 IKEv2 processing of Cisco Secure Client Software could allow an unauthenticated, remote attacker to cause a denial of service DoS of Cisco Secure Client. This vulnerability is due to an integer underflow condition. An attacker could exploit this...

CVE-2024-20474

CVE-2024-20474 is a Cisco Secure Client (formerly AnyConnect) vulnerability where the IKEv2 processing contains an integer underflow, allowing an unauthenticated remote attacker to crash the client and cause a DoS. A crafted IKEv2 packet can exploit the flaw on affected systems. Affected releases...

CVE-2024-20426

A vulnerability in the Internet Key Exchange version 2 IKEv2 protocol for VPN termination of Cisco Adaptive Security Appliance ASA Software and Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected...

CVE-2024-20426

CVE-2024-20426 affects Cisco ASA and Cisco FTD (IKEv2). A vulnerability in IKEv2 input validation could allow an unauthenticated, remote attacker to cause a DoS by sending crafted IKEv2 traffic, potentially causing the device to reload. Cisco advisory states updates addressing the vulnerability h...

Cisco Secure Client Software Denial of Service Vulnerability

A vulnerability in Internet Key Exchange version 2 IKEv2 processing of Cisco Secure Client Software could allow an unauthenticated, remote attacker to cause a denial of service DoS of Cisco Secure Client. This vulnerability is due to an integer underflow condition. An attacker could exploit this...

Cisco Adaptive Security Appliance and Firepower Threat Defense Software IKEv2 VPN Denial of Service Vulnerability

A vulnerability in the Internet Key Exchange version 2 IKEv2 protocol for VPN termination of Cisco Adaptive Security Appliance ASA Software and Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected...

PT-2025-33332

Name of the Vulnerable Software and Affected Versions: Cisco IOS Software affected versions not specified Cisco IOS XE Software affected versions not specified Cisco Secure Firewall ASA Software affected versions not specified Cisco Secure FTD Software affected versions not specified Description:...

CVE-2024-45750

An issue in TheGreenBow Windows Standard VPN Client 6.87.108 and older, Windows Enterprise VPN Client 6.87.109 and older, Windows Enterprise VPN Client 7.5.007 and older, Android VPN Client 6.4.5 and older VPN Client Linux 3.4 and older, VPN Client MacOS 2.4.10 and older allows a remote attacker ...

CVE-2024-45750

An issue in TheGreenBow Windows Standard VPN Client 6.87.108 and older, Windows Enterprise VPN Client 6.87.109 and older, Windows Enterprise VPN Client 7.5.007 and older, Android VPN Client 6.4.5 and older VPN Client Linux 3.4 and older, VPN Client MacOS 2.4.10 and older allows a remote attacker ...

CVE-2024-45750

Summary (CVE-2024-45750) : TheGreenBow VPN clients across platforms are affected by an issue that allows a remote attacker to execute arbitrary code during the IKEv2 authentication phase due to acceptance of malformed ECDSA signatures, leading to tunnel establishment. Affected products and versio...

CBL Mariner 2.0 Security Update: libreswan (CVE-2023-38710)

The version of libreswan installed on the remote CBL Mariner 2.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2023-38710 advisory. - An issue was discovered in Libreswan before 4.12. When an IKEv2 Child SA REKEY packet contains an invalid...

[SECURITY] Fedora 39 Update: libreswan-4.15-1.fc39

Libreswan is a free implementation of IPsec & IKE for Linux. IPsec is the Internet Protocol Security and uses strong cryptography to provide both authentication and encryption services. These services allow you to build secure tunnels through untrusted networks. Everything passing through the...

Mageia: Security Advisory (MGASA-2024-0216)

The remote host is missing an update for the SPDX-FileCopyrightText: 2024 Greenbone AG 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-only ifdescription...