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Cisco ASA Software IKEv1 and IKEv2 Buffer Overflow Vulnerability

Information

Severity

Severity

Critical

Family

Family

CISCO

CVSSv2 Base

CVSSv2 Base

10.0

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Solution Type

Solution Type

Vendor Patch

Created

Created

6 years ago

Modified

Modified

3 years ago

Summary

This host is running Cisco ASA Software and is prone to buffer overflow vulnerability.

Insight

Insight

The flaw is due to buffer overflow error in the Internet Key Exchange (IKE) version 1 (v1) and IKE version 2 (v2) code.

Affected Software

Affected Software

Cisco ASA Software versions 7.2.x, 8.0.x, 8.1.x, 8.3.x, 8.6.x before 9.1(6.11), 8.2.x before 8.2(5.59), 8.4.x before 8.4(7.30), 8.7.x before 8.7(1.18), 9.0 before 9.0(4.38), 9.1 before 9.1(6.11), 9.2 before 9.2(4.5), 9.3 before 9.3(3.7), 9.4 before 9.4(2.4), 9.5 before 9.5(2.2) on Cisco ASA 5500 Series Adaptive Security Appliances, Cisco ASA 5500-X Series Next-Generation Firewalls, Cisco ASA Services Module for Cisco Catalyst 6500 Series Switches and Cisco 7600 Series Routers, Cisco ASA 1000V Cloud Firewall, Cisco Adaptive Security Virtual Appliance (ASAv), Cisco Firepower 9300 ASA Security Module, Cisco ISA 3000 Industrial Security Appliance.

Detection Method

Detection Method

Checks if a vulnerable version is present on the target host.

Solution

Solution

Upgrade to 8.4(7.30) or 8.2(5.59) or 8.7(1.18) or 9.0(4.38) or 9.1(6.11) or 9.2(4.5) or 9.3(3.7) or 9.4(2.4) or 9.5(2.2).

Common Vulnerabilities and Exposures (CVE)

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1. Download Multipass

sudo snap install multipass

2. Launch a multipass instance

multipass launch -c 2 -m 6G -d 20G -n mageni 20.04 && multipass shell mageni

3. Install Mageni

curl -sL https://www.mageni.net/installation | sudo bash

1. If you don’t have it already, install Brew. Then, to install Multipass simply execute:

brew install --cask multipass

2. Launch a multipass instance

multipass launch -c 2 -m 6G -d 20G -n mageni 20.04 && multipass shell mageni

2. Install Mageni

curl -sL https://www.mageni.net/installation | sudo bash

1. Download the installer for Windows

Note: You need Windows 10 Pro/Enterprise/Education v 1803 or later, or any Windows 10 with VirtualBox

2. Ensure your network is private

Make sure your local network is designated as private, otherwise Windows prevents Multipass from starting.

3. Run the installer

You need to allow the installer to gain Administrator privileges.

4. Launch a multipass instance

multipass launch -c 2 -m 6G -d 20G -n mageni 20.04

5. Log into the multipass instance

multipass shell mageni

6. Install Mageni

curl -sL https://www.mageni.net/installation | sudo bash