Detections
Analytics
Cisco Firepower Threat Defense Software DNS Inspection DoS (cisco-sa-asaftd-dos-nJVAwOeq)
high Nessus Plugin ID 161263
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Synopsis
The remote device is missing a vendor-supplied security patchDescription
A vulnerability in the DNS inspection handler of Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service condition (DoS) on an affected device. This vulnerability is due to a lack of proper processing of incoming requests. An attacker could exploit this vulnerability by sending crafted DNS requests at a high rate to an affected device. A successful exploit could allow the attacker to cause the device to stop responding, resulting in a DoS condition.Please see the included Cisco BIDs and Cisco Security Advisory for more information.
Solution
Upgrade to the relevant fixed version referenced in Cisco bug ID CSCvz76966See Also
http://www.nessus.org/u?28fef957
https://tools.cisco.com/security/center/viewErp.x?alertId=ERP-74836
Plugin Details
Severity: High
ID: 161263
File Name: cisco-sa-asaftd-dos-nJVAwOeq-ftd.nasl
Version: 1.6
Type: local
Family: CISCO
Published: 5/18/2022
Updated: 3/31/2023
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: Low
Score: 3.6
CVSS v2
Risk Factor: High
Base Score: 7.8
Temporal Score: 5.8
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C
CVSS Score Source: CVE-2022-20760
CVSS v3
Risk Factor: High
Base Score: 7.5
Temporal Score: 6.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
CPE: cpe:/a:cisco:firepower_threat_defense
Required KB Items: installed_sw/Cisco Firepower Threat Defense
Exploit Ease: No known exploits are available
Patch Publication Date: 4/27/2022
Vulnerability Publication Date: 4/27/2022
Reference Information
CVE: CVE-2022-20760