CVE-2022-20946
Assigner: cisco
Published: 2022-11-10T17:29:08.400Z
State: PUBLISHED
descriptions: value: A vulnerability in the generic routing encapsulation (GRE) tunnel decapsulation feature of Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device.
 This vulnerability is due to a memory handling error that occurs when GRE traffic is processed. An attacker could exploit this vulnerability by sending a crafted GRE payload through an affected device. A successful exploit could allow the attacker to cause the device to restart, resulting in a DoS condition.
    
  https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-gre-dos-hmedHQPM ["https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-gre-dos-hmedHQPM"]
  This advisory is part of the November 2022 release of the Cisco ASA, FTD, and FMC Security Advisory Bundled publication.
affected: vendor: Cisco
product: Cisco Firepower Threat Defense Software
versions: version: 6.6.0
status: affected
version: 6.6.0.1
status: affected
version: 6.6.1
status: affected
version: 6.6.3
status: affected
version: 6.6.4
status: affected
version: 6.6.5
status: affected
version: 6.6.5.1
status: affected
version: 6.6.5.2
status: affected
version: 6.4.0
status: affected
version: 6.4.0.1
status: affected
version: 6.4.0.3
status: affected
version: 6.4.0.2
status: affected
version: 6.4.0.4
status: affected
version: 6.4.0.5
status: affected
version: 6.4.0.6
status: affected
version: 6.4.0.7
status: affected
version: 6.4.0.8
status: affected
version: 6.4.0.9
status: affected
version: 6.4.0.10
status: affected
version: 6.4.0.11
status: affected
version: 6.4.0.12
status: affected
version: 6.4.0.13
status: affected
version: 6.4.0.14
status: affected
version: 6.4.0.15
status: affected
version: 6.7.0
status: affected
version: 6.7.0.1
status: affected
version: 6.7.0.2
status: affected
version: 6.7.0.3
status: affected
version: 7.0.0
status: affected
version: 7.0.0.1
status: affected
version: 7.0.1
status: affected
version: 7.0.1.1
status: affected
version: 7.0.2
status: affected
version: 7.0.2.1
status: affected
version: 7.0.3
status: affected
version: 7.1.0
status: affected
version: 7.1.0.1
status: affected
version: 7.1.0.2
status: affected
problemTypes: descriptions: description: Heap-based Buffer Overflow
type: cwe
cweId: CWE-122
metrics: format: cvssV3_1
cvssV3_1: version: 3.1
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
baseScore: 8.6
baseSeverity: HIGH
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: CHANGED
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: HIGH
exploits: value: The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory.
source: advisory: cisco-sa-ftd-gre-dos-hmedHQPM
discovery: INTERNAL
defects: CSCwb66761