CVE-2017-12299: Input Validation
First published: Thu Nov 16 2017(Updated: )
A vulnerability exists in the process of creating default IP blocks during device initialization for Cisco ASA Next-Generation Firewall Services that could allow an unauthenticated, remote attacker to send traffic to the local IP address of the device, bypassing any filters that are configured to deny local IP management traffic. The vulnerability is due to an implementation error that exists in the process of creating default IP blocks when the device is initialized, and the way in which those IP blocks interact with user-configured filters for local IP management traffic (for example, SSH to the device). An attacker could exploit this vulnerability by sending traffic to the local IP address of the targeted device. A successful exploit could allow the attacker to connect to the local IP address of the device even when there are filters configured to deny the traffic. Cisco Bug IDs: CSCvd97962.
Credit: ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco Firepower Extensible Operating System | =2.2\(1.58\) |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID for this Cisco ASA Next-Generation Firewall Services vulnerability?
The vulnerability ID for this Cisco ASA Next-Generation Firewall Services vulnerability is CVE-2017-12299.
What is the severity rating of CVE-2017-12299?
The severity rating of CVE-2017-12299 is 5.3 (Medium).
What is the affected software for CVE-2017-12299?
The affected software for CVE-2017-12299 is Cisco Firepower Extensible Operating System version 2.2(1.58).
How can an unauthenticated, remote attacker exploit CVE-2017-12299?
An unauthenticated, remote attacker can exploit CVE-2017-12299 by sending traffic to the local IP address of the device, bypassing any filters that are configured to deny such traffic.
Are there any references available for CVE-2017-12299?
Yes, you can find references for CVE-2017-12299 at the following links: [1] http://www.securityfocus.com/bid/101915 [2] https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171115-firepower1
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