cisco-sa-20190816-ftd-srb: Cisco Firepower Threat Defense Software Stream Reassembly Bypass Vulnerability
First published: Fri Aug 16 2019(Updated: )
A vulnerability in the stream reassembly component of Cisco Firepower Threat Defense Software, Cisco FirePOWER Services Software for ASA, and Cisco Firepower Management Center Software could allow an unauthenticated, remote attacker to bypass filtering protections. The vulnerability is due to improper reassembly of traffic streams. An attacker could exploit this vulnerability by sending crafted streams through an affected device. An exploit could allow the attacker to bypass filtering and deliver malicious requests to protected systems that would otherwise be blocked. There are no workarounds that address this vulnerability. This advisory is available at the following link: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190816-ftd-srb
Credit: NSS Labs Inc..
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco Firepower Threat Defense | ||
| Cisco FirePOWER Services | ||
| Cisco Firepower Management Center |
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Reference Links
Frequently Asked Questions
What is the severity of cisco-sa-20190816-ftd-srb?
The severity of cisco-sa-20190816-ftd-srb is classified as high due to its potential to allow unauthenticated remote attackers to bypass security filters.
How do I fix cisco-sa-20190816-ftd-srb?
To fix cisco-sa-20190816-ftd-srb, you should upgrade to the latest patched version of the affected Cisco software.
What software is affected by cisco-sa-20190816-ftd-srb?
The affected software includes Cisco Firepower Threat Defense Software, Cisco FirePOWER Services Software for ASA, and Cisco Firepower Management Center Software.
Can an authenticated user exploit cisco-sa-20190816-ftd-srb?
No, cisco-sa-20190816-ftd-srb can be exploited by unauthenticated remote attackers only.
What are the potential consequences of exploiting cisco-sa-20190816-ftd-srb?
Exploiting cisco-sa-20190816-ftd-srb may allow attackers to bypass filtering protections, leading to unauthorized access or data leakage.
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