Detections
Analytics
Cisco Firepower Threat Defense Software Stream Reassembly Bypass (cisco-sa-20190816-ftd-srb)
medium Nessus Plugin ID 142497
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Synopsis
The remote device is affected by a stream reassembly bypass vulnerability.Description
A stream reassembly bypass vulnerability exists in Cisco Firepower Threat Defense (FTD) due to improper reassembly of traffic streams. An unauthenticated, remote attacker can exploit this, by sending specially crafted streams through an affected device to bypass filtering and deliver malicious requests to protected systems that would otherwise be blocked.Please see the included Cisco BID and Cisco Security Advisory for more information.
Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.
Solution
Upgrade to the relevant fixed version referenced in the Cisco Security Advisory.See Also
Plugin Details
Severity: Medium
ID: 142497
File Name: cisco-sa-20190816-ftd-srb.nasl
Version: 1.4
Type: local
Family: CISCO
Published: 11/6/2020
Updated: 11/9/2020
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: Low
Score: 2.4
CVSS v2
Risk Factor: Medium
Base Score: 5
Temporal Score: 3.9
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N
CVSS Score Source: CVE-2019-1978
CVSS v3
Risk Factor: Medium
Base Score: 5.8
Temporal Score: 5.2
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C
Vulnerability Information
CPE: cpe:/a:cisco:firepower_threat_defense
Required KB Items: installed_sw/Cisco Firepower Threat Defense
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 8/16/2019
Vulnerability Publication Date: 8/16/2019
Reference Information
CVE: CVE-2019-1978