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Cisco Firepower Threat Defense Software for Cisco Firepower 2100 Series Firewalls Inspection Rules Denial of Service Vulnerability

cisco-sa-ftd-intrusion-dos-DfT7wyGC · High · Published · Updated

A vulnerability in the internal packet processing of Cisco Firepower Threat Defense (FTD) Software for Cisco Firepower 2100 Series Firewalls could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to improper handling of certain packets when they are sent to the inspection engine. An attacker could exploit this vulnerability by sending a series of crafted packets to an affected device. A successful exploit could allow the attacker to deplete all 9,472 byte blocks on the device, resulting in traffic loss across the device or an unexpected reload of the device. If the device does not reload on its own, a manual reload of the device would be required to recover from this state. Cisco has released software updates that address this vulnerability. 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-ftd-intrusion-dos-DfT7wyGC This advisory is part of the November 2023 release of the Cisco ASA, FTD, and FMC Security Advisory Bundled publication. For a complete list of the advisories and links to them, see Cisco Event Response: November 2023 Semiannual Cisco ASA, FMC, and FTD Software Security Advisory Bundled Publication.

Cisco advisory ·CSAF JSON

Workarounds

There are no workarounds that address this vulnerability.

CVEsCVE-2023-20244
Cisco Bug IDsCSCwe98687
CVSS ScoreBase 8.6
Base 8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H/E:X/RL:X/RC:X
Product Names From Source
Cisco Firepower Threat Defense Software 6.2.3, Cisco Firepower Threat Defense Software 6.2.3.1, Cisco Firepower Threat Defense Software 6.2.3.2, Cisco Firepower Threat Defense Software 6.2.3.3, Cisco Firepower Threat Defense Software 6.2.3.4, Cisco Firepower Threat Defense Software 6.2.3.5, Cisco Firepower Threat Defense Software 6.2.3.6, Cisco Firepower Threat Defense Software 6.2.3.7, Cisco Firepower Threat Defense Software 6.2.3.8, Cisco Firepower Threat Defense Software 6.2.3.10, Cisco Firepower Threat Defense Software 6.2.3.11, Cisco Firepower Threat Defense Software 6.2.3.9, Cisco Firepower Threat Defense Software 6.2.3.12, Cisco Firepower Threat Defense Software 6.2.3.13, Cisco Firepower Threat Defense Software 6.2.3.14, Cisco Firepower Threat Defense Software 6.2.3.15, Cisco Firepower Threat Defense Software 6.2.3.16, Cisco Firepower Threat Defense Software 6.2.3.17, Cisco Firepower Threat Defense Software 6.2.3.18, Cisco Firepower Threat Defense Software 6.6.0, Cisco Firepower Threat Defense Software 6.6.0.1, Cisco Firepower Threat Defense Software 6.6.1, Cisco Firepower Threat Defense Software 6.6.3, Cisco Firepower Threat Defense Software 6.6.4, Cisco Firepower Threat Defense Software 6.6.5, Cisco Firepower Threat Defense Software 6.6.5.1, Cisco Firepower Threat Defense Software 6.6.5.2, Cisco Firepower Threat Defense Software 6.6.7, Cisco Firepower Threat Defense Software 6.6.7.1, Cisco Firepower Threat Defense Software 6.6.7.2, Cisco Firepower Threat Defense Software 6.4.0, Cisco Firepower Threat Defense Software 6.4.0.1, Cisco Firepower Threat Defense Software 6.4.0.3, Cisco Firepower Threat Defense Software 6.4.0.2, Cisco Firepower Threat Defense Software 6.4.0.4, Cisco Firepower Threat Defense Software 6.4.0.5, Cisco Firepower Threat Defense Software 6.4.0.6, Cisco Firepower Threat Defense Software 6.4.0.7, Cisco Firepower Threat Defense Software 6.4.0.8, Cisco Firepower Threat Defense Software 6.4.0.9, Cisco Firepower Threat Defense Software 6.4.0.10, Cisco Firepower Threat Defense Software 6.4.0.11, Cisco Firepower Threat Defense Software 6.4.0.12, Cisco Firepower Threat Defense Software 6.4.0.13, Cisco Firepower Threat Defense Software 6.4.0.14, Cisco Firepower Threat Defense Software 6.4.0.15, Cisco Firepower Threat Defense Software 6.4.0.16, Cisco Firepower Threat Defense Software 7.0.0, Cisco Firepower Threat Defense Software 7.0.0.1, Cisco Firepower Threat Defense Software 7.0.1, Cisco Firepower Threat Defense Software 7.0.1.1, Cisco Firepower Threat Defense Software 7.0.2, Cisco Firepower Threat Defense Software 7.0.2.1, Cisco Firepower Threat Defense Software 7.0.3, Cisco Firepower Threat Defense Software 7.0.4, Cisco Firepower Threat Defense Software 7.0.5, Cisco Firepower Threat Defense Software 7.1.0, Cisco Firepower Threat Defense Software 7.1.0.1, Cisco Firepower Threat Defense Software 7.1.0.3, Cisco Firepower Threat Defense Software 7.2.0, Cisco Firepower Threat Defense Software 7.2.0.1, Cisco Firepower Threat Defense Software 7.2.1, Cisco Firepower Threat Defense Software 7.2.2, Cisco Firepower Threat Defense Software 7.2.3, Cisco Firepower Threat Defense Software 7.3.0, Cisco Firepower Threat Defense Software 7.3.1, Cisco Firepower Threat Defense Software 7.3.1.1, Cisco Firepower Threat Defense Software 7.3.1.2, Cisco Secure Firewall Threat Defense (FTD) Software, Cisco Firepower 2100 Series

Related Products

Product CVE Evidence
Cisco Secure Firewall Threat Defense (FTD) Software CVE-2023-20244 Cisco OpenVuln
Cisco Firepower Threat Defense Software CVE-2023-20244 Cisco OpenVuln
Cisco Firepower 2100 Series CVE-2023-20244 Cisco OpenVuln