cisco-sa-ftd-intrusion-dos-dft7wygc
Vulnerability from csaf_cisco
Published
2023-11-01 16:00
Modified
2023-11-01 16:00
Summary
Cisco Firepower Threat Defense Software for Cisco Firepower 2100 Series Firewalls Inspection Rules Denial of Service Vulnerability
Notes
Summary
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 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 ["https://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-74985"].
Vulnerable Products
This vulnerability affects Cisco Firepower 2100 Series Firewalls if they are running a vulnerable release of Cisco FTD Software and have any of the following features enabled:
Intrusion Policies
Malware and File Policies
Security Intelligence
URL Filtering
For information about which Cisco software releases are vulnerable, see the Fixed Software ["#fs"] section of this advisory.
Determine the Device Configuration
To determine whether any of the affected features are enabled on a device, see the appropriate chapters in one of the following configuration guides:
For Cisco FTD Devices Managed by Cisco Firepower Management Center (FMC)
Intrusion Policies: Getting Started with Intrusion Policies ["https://www.cisco.com/c/en/us/td/docs/security/secure-firewall/management-center/device-config/720/management-center-device-config-72/intrusion-get-start.html"]
Malware and File Policies: Network Malware Protection and File Policies ["https://www.cisco.com/c/en/us/td/docs/security/secure-firewall/management-center/device-config/720/management-center-device-config-72/network-malware-protection.html"]
Security Intelligence: Security Intelligence ["https://www.cisco.com/c/en/us/td/docs/security/secure-firewall/management-center/device-config/720/management-center-device-config-72/access-security-intelligence.html"]
URL Filtering: URL Filtering ["https://www.cisco.com/c/en/us/td/docs/security/secure-firewall/management-center/device-config/720/management-center-device-config-72/access-url-filtering.html"]
For Standalone Cisco FTD Devices Using Cisco Firepower Device Manager (FDM)
Intrusion Policies: Intrusion Policies ["https://www.cisco.com/c/en/us/td/docs/security/firepower/720/fdm/fptd-fdm-config-guide-720/fptd-fdm-intrusion.html"]
Malware and File Policies: Access Control > Intrusion, File, and Malware Inspection ["https://www.cisco.com/c/en/us/td/docs/security/firepower/720/fdm/fptd-fdm-config-guide-720/fptd-fdm-access.html#concept_A1DB99832FED44F0AAC7181CD11FECBD"]
Security Intelligence: Security Intelligence ["https://www.cisco.com/c/en/us/td/docs/security/firepower/720/fdm/fptd-fdm-config-guide-720/fptd-fdm-sec-intel.html"]
URL Filtering: Access Control > URL Filtering ["https://www.cisco.com/c/en/us/td/docs/security/firepower/720/fdm/fptd-fdm-config-guide-720/fptd-fdm-access.html#concept_3FD55F41D0084FDB8E58869B8FFF65C9"]
Products Confirmed Not Vulnerable
Only products listed in the Vulnerable Products ["#vp"] section of this advisory are known to be affected by this vulnerability.
Cisco has confirmed that this vulnerability does not affect the following Cisco products:
Adaptive Security Appliance (ASA) Software
Firepower Management Center (FMC) Software
Next-Generation Intrusion Prevention System (NGIPS)
Indicators of Compromise
A free count (CNT) of zero for the 9,472 byte blocks in the output of the show blocks CLI command can indicate successful exploitation of this vulnerability, as shown in the following example:
> show blocks
SIZE MAX LOW CNT
0 2700 2700 2700 4 100 100 100 80 1747 1746 1747 256 4148 4142 4143 1550 6234 6231 6232 2048 100 100 100 2560 164 164 164 4096 100 100 100 8192 100 100 100 9472 24000 0 0 16384 100 100 100 65536 16 11 16
In Cisco FTD Software releases 7.0.1 and later, a non-zero FAILED count for the 9,472 byte blocks in the output of the show blocks CLI command, along with a free count (CNT) of zero, can indicate successful exploitation of this vulnerability, as shown in the following example:
> show blocks
SIZE MAX LOW CNT FAILED
0 2700 2699 2700 0 4 100 100 100 0 80 1000 998 1000 0 256 5784 5647 5679 0 1550 6234 6214 6232 0 2048 100 100 100 0 2560 164 164 164 0 4096 100 100 100 0 8192 100 100 100 0 9472 10000 0 0 398788 16384 100 100 100 0 65664 16 16 16 0
Customers who encounter the above indicators of compromise on their device should contact their support organization to determine whether this state is the result of successful exploitation of this vulnerability.
Workarounds
There are no workarounds that address this vulnerability.
Fixed Software
Cisco has released free software updates ["https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#ssu"] that address the vulnerability described in this advisory. Customers with service contracts that entitle them to regular software updates should obtain security fixes through their usual update channels.
Customers may only install and expect support for software versions and feature sets for which they have purchased a license. By installing, downloading, accessing, or otherwise using such software upgrades, customers agree to follow the terms of the Cisco software license:
https://www.cisco.com/c/en/us/products/end-user-license-agreement.html ["https://www.cisco.com/c/en/us/products/end-user-license-agreement.html"]
Additionally, customers may only download software for which they have a valid license, procured from Cisco directly, or through a Cisco authorized reseller or partner. In most cases this will be a maintenance upgrade to software that was previously purchased. Free security software updates do not entitle customers to a new software license, additional software feature sets, or major revision upgrades.
The Cisco Support and Downloads page ["https://www.cisco.com/c/en/us/support/index.html"] on Cisco.com provides information about licensing and downloads. This page can also display customer device support coverage for customers who use the My Devices tool.
When considering software upgrades ["https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#fixes"], customers are advised to regularly consult the advisories for Cisco products, which are available from the Cisco Security Advisories page ["https://www.cisco.com/go/psirt"], to determine exposure and a complete upgrade solution.
In all cases, customers should ensure that the devices to be upgraded contain sufficient memory and confirm that current hardware and software configurations will continue to be supported properly by the new release. If the information is not clear, customers are advised to contact the Cisco Technical Assistance Center (TAC) or their contracted maintenance providers.
Customers Without Service Contracts
Customers who purchase directly from Cisco but do not hold a Cisco service contract and customers who make purchases through third-party vendors but are unsuccessful in obtaining fixed software through their point of sale should obtain upgrades by contacting the Cisco TAC: https://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html ["https://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html"]
Customers should have the product serial number available and be prepared to provide the URL of this advisory as evidence of entitlement to a free upgrade.
Cisco ASA, FMC, and FTD Software
To help customers determine their exposure to vulnerabilities in Cisco ASA, FMC, and FTD Software, Cisco provides the Cisco Software Checker ["https://sec.cloudapps.cisco.com/security/center/softwarechecker.x"]. This tool identifies any Cisco security advisories that impact a specific software release and the earliest release that fixes the vulnerabilities that are described in each advisory (“First Fixed”). If applicable, the tool also returns the earliest release that fixes all the vulnerabilities that are described in all the advisories that the Software Checker identifies (“Combined First Fixed”).
To use the tool, go to the Cisco Software Checker ["https://sec.cloudapps.cisco.com/security/center/softwarechecker.x"] page and follow the instructions. Alternatively, use the following form to search for vulnerabilities that affect a specific software release. To use the form, follow these steps:
Choose which advisories the tool will search—all advisories, only advisories with a Critical or High Security Impact Rating (SIR) ["https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#asr"], or only this advisory.
Choose the appropriate software.
Choose the appropriate platform.
Enter a release number—for example, 9.16.2.11 for Cisco ASA Software or 6.6.7 for Cisco FTD Software.
Click Check.
Only this advisoryAll Critical and High advisoriesAll advisoriesCisco ASA SoftwareCisco FMC SoftwareCisco FTD SoftwareAny Platform3000 Series Industrial Security Appliances (ISA)ASA 5500-X Series FirewallsASA Service ModuleAdaptive Security Virtual Appliance (ASAv)Firepower 1000 SeriesFirepower 2100 SeriesFirepower 4100 SeriesFirepower 9000 SeriesFirepower NGFW VirtualSecure Firewall 3100 SeriesFirepower Management Center Appliances
For instructions on upgrading your FTD device, see Cisco Firepower Management Center Upgrade Guide ["https://www.cisco.com/c/en/us/td/docs/security/firepower/upgrade/fpmc-upgrade-guide/getting_started.html"].
Additional Resources
For help determining the best Cisco ASA, FTD, or FMC Software release, see the following Recommended Releases documents. If a security advisory recommends a later release, Cisco recommends following the advisory guidance.
Cisco ASA Compatibility ["https://www.cisco.com/c/en/us/td/docs/security/asa/compatibility/asamatrx.html"]
Cisco Secure Firewall ASA Upgrade Guide ["https://www.cisco.com/c/en/us/td/docs/security/asa/upgrade/asa-upgrade/planning.html"]
Cisco Secure Firewall Threat Defense Compatibility Guide ["https://www.cisco.com/c/en/us/td/docs/security/secure-firewall/compatibility/threat-defense-compatibility.html"]
Vulnerability Policy
To learn about Cisco security vulnerability disclosure policies and publications, see the Security Vulnerability Policy ["http://www.cisco.com/web/about/security/psirt/security_vulnerability_policy.html"]. This document also contains instructions for obtaining fixed software and receiving security vulnerability information from Cisco.
Exploitation and Public Announcements
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
This vulnerability was found by Sanmith Prakash of Cisco during internal security testing.
Legal Disclaimer
THIS DOCUMENT IS PROVIDED ON AN "AS IS" BASIS AND DOES NOT IMPLY ANY KIND OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. YOUR USE OF THE INFORMATION ON THE DOCUMENT OR MATERIALS LINKED FROM THE DOCUMENT IS AT YOUR OWN RISK. CISCO RESERVES THE RIGHT TO CHANGE OR UPDATE THIS DOCUMENT AT ANY TIME.
A standalone copy or paraphrase of the text of this document that omits the distribution URL is an uncontrolled copy and may lack important information or contain factual errors. The information in this document is intended for end users of Cisco products.
{
"document": {
"acknowledgments": [
{
"summary": "This vulnerability was found by Sanmith Prakash of Cisco during internal security testing."
}
],
"category": "csaf_security_advisory",
"csaf_version": "2.0",
"notes": [
{
"category": "summary",
"text": "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.\r\n\r\nThis 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.\r\n\r\nCisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.\r\n\r\n\r\n\r\nThis 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 [\"https://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-74985\"].",
"title": "Summary"
},
{
"category": "general",
"text": "This vulnerability affects Cisco Firepower 2100 Series Firewalls if they are running a vulnerable release of Cisco FTD Software and have any of the following features enabled:\r\n\r\nIntrusion Policies\r\nMalware and File Policies\r\nSecurity Intelligence\r\nURL Filtering\r\n\r\nFor information about which Cisco software releases are vulnerable, see the Fixed Software [\"#fs\"] section of this advisory.\r\n Determine the Device Configuration\r\nTo determine whether any of the affected features are enabled on a device, see the appropriate chapters in one of the following configuration guides:\r\n\r\nFor Cisco FTD Devices Managed by Cisco Firepower Management Center (FMC)\r\n\r\nIntrusion Policies: Getting Started with Intrusion Policies [\"https://www.cisco.com/c/en/us/td/docs/security/secure-firewall/management-center/device-config/720/management-center-device-config-72/intrusion-get-start.html\"]\r\nMalware and File Policies: Network Malware Protection and File Policies [\"https://www.cisco.com/c/en/us/td/docs/security/secure-firewall/management-center/device-config/720/management-center-device-config-72/network-malware-protection.html\"]\r\nSecurity Intelligence: Security Intelligence [\"https://www.cisco.com/c/en/us/td/docs/security/secure-firewall/management-center/device-config/720/management-center-device-config-72/access-security-intelligence.html\"]\r\nURL Filtering: URL Filtering [\"https://www.cisco.com/c/en/us/td/docs/security/secure-firewall/management-center/device-config/720/management-center-device-config-72/access-url-filtering.html\"]\r\n\r\nFor Standalone Cisco FTD Devices Using Cisco Firepower Device Manager (FDM)\r\n\r\nIntrusion Policies: Intrusion Policies [\"https://www.cisco.com/c/en/us/td/docs/security/firepower/720/fdm/fptd-fdm-config-guide-720/fptd-fdm-intrusion.html\"]\r\nMalware and File Policies: Access Control \u003e Intrusion, File, and Malware Inspection [\"https://www.cisco.com/c/en/us/td/docs/security/firepower/720/fdm/fptd-fdm-config-guide-720/fptd-fdm-access.html#concept_A1DB99832FED44F0AAC7181CD11FECBD\"]\r\nSecurity Intelligence: Security Intelligence [\"https://www.cisco.com/c/en/us/td/docs/security/firepower/720/fdm/fptd-fdm-config-guide-720/fptd-fdm-sec-intel.html\"]\r\nURL Filtering: Access Control \u003e URL Filtering [\"https://www.cisco.com/c/en/us/td/docs/security/firepower/720/fdm/fptd-fdm-config-guide-720/fptd-fdm-access.html#concept_3FD55F41D0084FDB8E58869B8FFF65C9\"]",
"title": "Vulnerable Products"
},
{
"category": "general",
"text": "Only products listed in the Vulnerable Products [\"#vp\"] section of this advisory are known to be affected by this vulnerability.\r\n\r\nCisco has confirmed that this vulnerability does not affect the following Cisco products:\r\n\r\nAdaptive Security Appliance (ASA) Software\r\nFirepower Management Center (FMC) Software\r\nNext-Generation Intrusion Prevention System (NGIPS)",
"title": "Products Confirmed Not Vulnerable"
},
{
"category": "general",
"text": "A free count (CNT) of zero for the 9,472 byte blocks in the output of the show blocks CLI command can indicate successful exploitation of this vulnerability, as shown in the following example:\r\n\r\n\r\n\u003e show blocks\r\nSIZE MAX LOW CNT\r\n 0 2700 2700 2700 4 100 100 100 80 1747 1746 1747 256 4148 4142 4143 1550 6234 6231 6232 2048 100 100 100 2560 164 164 164 4096 100 100 100 8192 100 100 100 9472 24000 0 0 16384 100 100 100 65536 16 11 16\r\n\r\nIn Cisco FTD Software releases 7.0.1 and later, a non-zero FAILED count for the 9,472 byte blocks in the output of the show blocks CLI command, along with a free count (CNT) of zero, can indicate successful exploitation of this vulnerability, as shown in the following example:\r\n\r\n\r\n\u003e show blocks\r\nSIZE MAX LOW CNT FAILED\r\n 0 2700 2699 2700 0 4 100 100 100 0 80 1000 998 1000 0 256 5784 5647 5679 0 1550 6234 6214 6232 0 2048 100 100 100 0 2560 164 164 164 0 4096 100 100 100 0 8192 100 100 100 0 9472 10000 0 0 398788 16384 100 100 100 0 65664 16 16 16 0\r\n\r\nCustomers who encounter the above indicators of compromise on their device should contact their support organization to determine whether this state is the result of successful exploitation of this vulnerability.",
"title": "Indicators of Compromise"
},
{
"category": "general",
"text": "There are no workarounds that address this vulnerability.",
"title": "Workarounds"
},
{
"category": "general",
"text": "Cisco has released free software updates [\"https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#ssu\"] that address the vulnerability described in this advisory. Customers with service contracts that entitle them to regular software updates should obtain security fixes through their usual update channels.\r\n\r\nCustomers may only install and expect support for software versions and feature sets for which they have purchased a license. By installing, downloading, accessing, or otherwise using such software upgrades, customers agree to follow the terms of the Cisco software license:\r\nhttps://www.cisco.com/c/en/us/products/end-user-license-agreement.html [\"https://www.cisco.com/c/en/us/products/end-user-license-agreement.html\"]\r\n\r\nAdditionally, customers may only download software for which they have a valid license, procured from Cisco directly, or through a Cisco authorized reseller or partner. In most cases this will be a maintenance upgrade to software that was previously purchased. Free security software updates do not entitle customers to a new software license, additional software feature sets, or major revision upgrades.\r\n\r\nThe Cisco Support and Downloads page [\"https://www.cisco.com/c/en/us/support/index.html\"] on Cisco.com provides information about licensing and downloads. This page can also display customer device support coverage for customers who use the My Devices tool.\r\n\r\nWhen considering software upgrades [\"https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#fixes\"], customers are advised to regularly consult the advisories for Cisco products, which are available from the Cisco Security Advisories page [\"https://www.cisco.com/go/psirt\"], to determine exposure and a complete upgrade solution.\r\n\r\nIn all cases, customers should ensure that the devices to be upgraded contain sufficient memory and confirm that current hardware and software configurations will continue to be supported properly by the new release. If the information is not clear, customers are advised to contact the Cisco Technical Assistance Center (TAC) or their contracted maintenance providers.\r\nCustomers Without Service Contracts\r\nCustomers who purchase directly from Cisco but do not hold a Cisco service contract and customers who make purchases through third-party vendors but are unsuccessful in obtaining fixed software through their point of sale should obtain upgrades by contacting the Cisco TAC: https://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html [\"https://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html\"]\r\n\r\nCustomers should have the product serial number available and be prepared to provide the URL of this advisory as evidence of entitlement to a free upgrade.\r\nCisco ASA, FMC, and FTD Software\r\nTo help customers determine their exposure to vulnerabilities in Cisco ASA, FMC, and FTD Software, Cisco provides the Cisco Software Checker [\"https://sec.cloudapps.cisco.com/security/center/softwarechecker.x\"]. This tool identifies any Cisco security advisories that impact a specific software release and the earliest release that fixes the vulnerabilities that are described in each advisory (\u201cFirst Fixed\u201d). If applicable, the tool also returns the earliest release that fixes all the vulnerabilities that are described in all the advisories that the Software Checker identifies (\u201cCombined First Fixed\u201d).\r\n\r\nTo use the tool, go to the Cisco Software Checker [\"https://sec.cloudapps.cisco.com/security/center/softwarechecker.x\"] page and follow the instructions. Alternatively, use the following form to search for vulnerabilities that affect a specific software release. To use the form, follow these steps:\r\n\r\nChoose which advisories the tool will search\u2014all advisories, only advisories with a Critical or High Security Impact Rating (SIR) [\"https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#asr\"], or only this advisory.\r\nChoose the appropriate software.\r\nChoose the appropriate platform.\r\nEnter a release number\u2014for example, 9.16.2.11 for Cisco ASA Software or 6.6.7 for Cisco FTD Software.\r\nClick Check.\r\n Only this advisoryAll Critical and High advisoriesAll advisoriesCisco ASA SoftwareCisco FMC SoftwareCisco FTD SoftwareAny Platform3000 Series Industrial Security Appliances (ISA)ASA 5500-X Series FirewallsASA Service ModuleAdaptive Security Virtual Appliance (ASAv)Firepower 1000 SeriesFirepower 2100 SeriesFirepower 4100 SeriesFirepower 9000 SeriesFirepower NGFW VirtualSecure Firewall 3100 SeriesFirepower Management Center Appliances\r\n\r\n\r\n\r\n\r\n\r\nFor instructions on upgrading your FTD device, see Cisco Firepower Management Center Upgrade Guide [\"https://www.cisco.com/c/en/us/td/docs/security/firepower/upgrade/fpmc-upgrade-guide/getting_started.html\"].\r\n\r\n Additional Resources\r\nFor help determining the best Cisco ASA, FTD, or FMC Software release, see the following Recommended Releases documents. If a security advisory recommends a later release, Cisco recommends following the advisory guidance.\r\n\r\nCisco ASA Compatibility [\"https://www.cisco.com/c/en/us/td/docs/security/asa/compatibility/asamatrx.html\"]\r\nCisco Secure Firewall ASA Upgrade Guide [\"https://www.cisco.com/c/en/us/td/docs/security/asa/upgrade/asa-upgrade/planning.html\"]\r\nCisco Secure Firewall Threat Defense Compatibility Guide [\"https://www.cisco.com/c/en/us/td/docs/security/secure-firewall/compatibility/threat-defense-compatibility.html\"]",
"title": "Fixed Software"
},
{
"category": "general",
"text": "To learn about Cisco security vulnerability disclosure policies and publications, see the Security Vulnerability Policy [\"http://www.cisco.com/web/about/security/psirt/security_vulnerability_policy.html\"]. This document also contains instructions for obtaining fixed software and receiving security vulnerability information from Cisco.",
"title": "Vulnerability Policy"
},
{
"category": "general",
"text": "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.",
"title": "Exploitation and Public Announcements"
},
{
"category": "general",
"text": "This vulnerability was found by Sanmith Prakash of Cisco during internal security testing.",
"title": "Source"
},
{
"category": "legal_disclaimer",
"text": "THIS DOCUMENT IS PROVIDED ON AN \"AS IS\" BASIS AND DOES NOT IMPLY ANY KIND OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. YOUR USE OF THE INFORMATION ON THE DOCUMENT OR MATERIALS LINKED FROM THE DOCUMENT IS AT YOUR OWN RISK. CISCO RESERVES THE RIGHT TO CHANGE OR UPDATE THIS DOCUMENT AT ANY TIME.\r\n\r\nA standalone copy or paraphrase of the text of this document that omits the distribution URL is an uncontrolled copy and may lack important information or contain factual errors. The information in this document is intended for end users of Cisco products.",
"title": "Legal Disclaimer"
}
],
"publisher": {
"category": "vendor",
"contact_details": "psirt@cisco.com",
"issuing_authority": "Cisco PSIRT",
"name": "Cisco",
"namespace": "https://wwww.cisco.com"
},
"references": [
{
"category": "self",
"summary": "Cisco Firepower Threat Defense Software for Cisco Firepower 2100 Series Firewalls Inspection Rules Denial of Service Vulnerability",
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-intrusion-dos-DfT7wyGC"
},
{
"category": "external",
"summary": "Cisco Event Response: November 2023 Cisco ASA, FMC, and FTD Software Security Advisory Bundled Publication",
"url": "https://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-74985"
},
{
"category": "external",
"summary": "Cisco Security Vulnerability Policy",
"url": "https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html"
},
{
"category": "external",
"summary": "Getting Started with Intrusion Policies",
"url": "https://www.cisco.com/c/en/us/td/docs/security/secure-firewall/management-center/device-config/720/management-center-device-config-72/intrusion-get-start.html"
},
{
"category": "external",
"summary": "Network Malware Protection and File Policies",
"url": "https://www.cisco.com/c/en/us/td/docs/security/secure-firewall/management-center/device-config/720/management-center-device-config-72/network-malware-protection.html"
},
{
"category": "external",
"summary": "Security Intelligence",
"url": "https://www.cisco.com/c/en/us/td/docs/security/secure-firewall/management-center/device-config/720/management-center-device-config-72/access-security-intelligence.html"
},
{
"category": "external",
"summary": "URL Filtering",
"url": "https://www.cisco.com/c/en/us/td/docs/security/secure-firewall/management-center/device-config/720/management-center-device-config-72/access-url-filtering.html"
},
{
"category": "external",
"summary": "Intrusion Policies",
"url": "https://www.cisco.com/c/en/us/td/docs/security/firepower/720/fdm/fptd-fdm-config-guide-720/fptd-fdm-intrusion.html"
},
{
"category": "external",
"summary": "Access Control \u0026gt; Intrusion, File, and Malware Inspection",
"url": "https://www.cisco.com/c/en/us/td/docs/security/firepower/720/fdm/fptd-fdm-config-guide-720/fptd-fdm-access.html#concept_A1DB99832FED44F0AAC7181CD11FECBD"
},
{
"category": "external",
"summary": "Security Intelligence",
"url": "https://www.cisco.com/c/en/us/td/docs/security/firepower/720/fdm/fptd-fdm-config-guide-720/fptd-fdm-sec-intel.html"
},
{
"category": "external",
"summary": "Access Control \u0026gt; URL Filtering",
"url": "https://www.cisco.com/c/en/us/td/docs/security/firepower/720/fdm/fptd-fdm-config-guide-720/fptd-fdm-access.html#concept_3FD55F41D0084FDB8E58869B8FFF65C9"
},
{
"category": "external",
"summary": "free software updates",
"url": "https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#ssu"
},
{
"category": "external",
"summary": "https://www.cisco.com/c/en/us/products/end-user-license-agreement.html",
"url": "https://www.cisco.com/c/en/us/products/end-user-license-agreement.html"
},
{
"category": "external",
"summary": "Cisco Support and Downloads page",
"url": "https://www.cisco.com/c/en/us/support/index.html"
},
{
"category": "external",
"summary": "considering software upgrades",
"url": "https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#fixes"
},
{
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},
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]
},
"vulnerabilities": [
{
"cve": "CVE-2023-20244",
"ids": [
{
"system_name": "Cisco Bug ID",
"text": "CSCwe98687"
}
],
"notes": [
{
"category": "other",
"text": "Complete.",
"title": "Affected Product Comprehensiveness"
}
],
"product_status": {
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"CSAFPID-287202:277392",
"CSAFPID-290468:277392",
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]
},
"release_date": "2023-11-01T16:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"details": "Cisco has released software updates that address this vulnerability.",
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"CSAFPID-287041:277392",
"CSAFPID-287081:277392",
"CSAFPID-287122:277392",
"CSAFPID-287181:277392",
"CSAFPID-287202:277392",
"CSAFPID-290468:277392",
"CSAFPID-290469:277392",
"CSAFPID-290481:277392",
"CSAFPID-290563:277392",
"CSAFPID-290663:277392",
"CSAFPID-290665:277392",
"CSAFPID-292363:277392",
"CSAFPID-292413:277392",
"CSAFPID-292740:277392",
"CSAFPID-294794:277392",
"CSAFPID-294962:277392",
"CSAFPID-300512:277392"
],
"url": "https://software.cisco.com"
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 8.6,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
"version": "3.1"
},
"products": [
"CSAFPID-220203",
"CSAFPID-225862:277392",
"CSAFPID-233334:277392",
"CSAFPID-245396:277392",
"CSAFPID-245397:277392",
"CSAFPID-245398:277392",
"CSAFPID-247893:277392",
"CSAFPID-247894:277392",
"CSAFPID-248816:277392",
"CSAFPID-251756:277392",
"CSAFPID-251757:277392",
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"CSAFPID-258064:277392",
"CSAFPID-258915:277392",
"CSAFPID-265011:277392",
"CSAFPID-265014:277392",
"CSAFPID-265015:277392",
"CSAFPID-265950:277392",
"CSAFPID-267675:277392",
"CSAFPID-267676:277392",
"CSAFPID-268602:277392",
"CSAFPID-275475:277392",
"CSAFPID-276372:277392",
"CSAFPID-276373:277392",
"CSAFPID-276933:277392",
"CSAFPID-276934:277392",
"CSAFPID-276935:277392",
"CSAFPID-278397:277392",
"CSAFPID-278503:277392",
"CSAFPID-278885:277392",
"CSAFPID-280013:277392",
"CSAFPID-280662:277392",
"CSAFPID-280664:277392",
"CSAFPID-280999:277392",
"CSAFPID-281981:277392",
"CSAFPID-282025:277392",
"CSAFPID-282174:277392",
"CSAFPID-282609:277392",
"CSAFPID-282667:277392",
"CSAFPID-282695:277392",
"CSAFPID-284172:277392",
"CSAFPID-284277:277392",
"CSAFPID-284314:277392",
"CSAFPID-284789:277392",
"CSAFPID-286091:277392",
"CSAFPID-286092:277392",
"CSAFPID-286093:277392",
"CSAFPID-286535:277392",
"CSAFPID-286536:277392",
"CSAFPID-286537:277392",
"CSAFPID-286538:277392",
"CSAFPID-286543:277392",
"CSAFPID-286580:277392",
"CSAFPID-286930:277392",
"CSAFPID-287041:277392",
"CSAFPID-287081:277392",
"CSAFPID-287122:277392",
"CSAFPID-287181:277392",
"CSAFPID-287202:277392",
"CSAFPID-290468:277392",
"CSAFPID-290469:277392",
"CSAFPID-290481:277392",
"CSAFPID-290563:277392",
"CSAFPID-290663:277392",
"CSAFPID-290665:277392",
"CSAFPID-292363:277392",
"CSAFPID-292413:277392",
"CSAFPID-292740:277392",
"CSAFPID-294794:277392",
"CSAFPID-294962:277392",
"CSAFPID-300512:277392"
]
}
],
"title": "Cisco Firepower Threat Defense Software for Cisco Firepower 2100 Series Firewalls Intrusion Policy Denial of Service Vulnerability"
}
]
}
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- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.