cisco-sa-20190501-asaftd-saml-vpn
Vulnerability from csaf_cisco
Published
2019-05-01 16:00
Modified
2019-05-02 17:39
Summary
Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software VPN SAML Authentication Bypass Vulnerability
Notes
Summary
A vulnerability in the implementation of Security Assertion Markup Language (SAML) 2.0 Single Sign-On (SSO) for Clientless SSL VPN (WebVPN) and AnyConnect Remote Access VPN in Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to successfully establish a VPN session to an affected device.
The vulnerability is due to improper credential management when using NT LAN Manager (NTLM) or basic authentication. An attacker could exploit this vulnerability by opening a VPN session to an affected device after another VPN user has successfully authenticated to the affected device via SAML SSO. A successful exploit could allow the attacker to connect to secured networks behind the affected device.
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-20190501-asaftd-saml-vpn ["https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-asaftd-saml-vpn"]
Vulnerable Products
This vulnerability affects the following Cisco products that are running Cisco ASA Software Release 9.7.1 or later or Cisco FTD Software Release 6.2.1 or later configured for SAML 2.0-based SSO for Clientless SSL VPN (WebVPN) or AnyConnect Remote Access VPN:
3000 Series Industrial Security Appliances (ISAs)
Adaptive Security Appliance (ASA) 5500-X Series Firewalls
ASA Services Module for Cisco Catalyst 6500 Series Switches and Cisco 7600 Series Routers
Adaptive Security Virtual Appliance (ASAv)
Firepower 2100 Series
Firepower 4100 Series
Firepower 9300 Security Appliances
Firepower Threat Defense Virtual
For information about which Cisco ASA Software and FTD Software releases are vulnerable, see the Fixed Software ["#fs"] section of this advisory.
ASA and FTD Features
Cisco ASA Software and FTD Software are vulnerable only if all of the following features are configured:
SAML 2.0 Identity Provider (IdP)
SAML 2.0 Service Provider (SP)
AnyConnect Remote Access VPN or Clientless SSL VPN (WebVPN)
Note: SAML 2.0 for AnyConnect features are first supported as of ASA Release 9.7.1, FTD Release 6.2.1, and AnyConnect Secure Mobility Client Release 4.4.00243.
To determine whether ASA or FTD is configured with a SAML 2.0 IdP, administrators can use the show webvpn saml idp CLI command. The following output shows an ASA configured with a SAML 2.0 IdP:
ciscoasa# show webvpn saml idp
saml idp my_domain_idp url sign-in https://asa-dev.my.domain.com/idp/endpoint/HttpRedirect url sign-out https://asa-dev.my.domain.com/idp/endpoint/HttpRedirect trustpoint idp my_domain_trustpoint trustpoint sp asa_trustpoint
To determine whether ASA or FTD is configured with SAML 2.0 SP, administrators can use the show running-config tunnel-group | include remote-access|webvpn-attributes|saml CLI command. The following output shows an ASA configured with SAML 2.0 SP:
ciscoasa# show running-config tunnel-group | include remote-access|webvpn-attributes|saml
tunnel-group cloud_idp_onelogin type remote-access
tunnel-group cloud_idp_onelogin webvpn-attributes
authentication saml
saml identity-provider my_domain_idp
To determine whether ASA or FTD is configured for AnyConnect Remote Access VPN or Clientless SSL VPN (WebVPN), administrators can use the show running-config CLI command and consult the following table for vulnerable configurations:
Feature Vulnerable Configuration AnyConnect IKEv2 Remote Access (with client services) crypto ikev2 enable <interface_name> client-services port <port #>
webvpn
anyconnect enable AnyConnect IKEv2 Remote Access (without client services) crypto ikev2 enable <interface_name>
webvpn
anyconnect enable AnyConnect SSL VPN webvpn
enable <interface_name> Clientless SSL VPN (WebVPN)
webvpn
enable <interface_name> Determining the Cisco ASA Software Release
To determine which Cisco ASA Software release is running on a device, administrators can log in to the device, use the show version | include Version command in the CLI, and refer to the output of the command. The following example shows the output of the command for a device that is running Cisco ASA Software Release 9.9.2.18:
ciscoasa# show version | include Version
Cisco Adaptive Security Appliance Software Version 9.9.2.18 Device Manager Version 7.4(1) . . .
If a device is managed by using Cisco Adaptive Security Device Manager (ASDM), administrators can also determine which release is running on a device by referring to the release information in the table that appears in the Cisco ASDM login window or the Device Dashboard tab of the Cisco ASDM Home pane.
Determining the Cisco FTD Software Release
To determine which Cisco FTD Software release is running on a device, administrators can log in to the device, use the show version command in the CLI, and refer to the output of the command. The following example shows the output of the command for a device that is running Cisco FTD Software Release 6.2.0:
> show version
---------------------[ ftd ]--------------------- Model : Cisco ASA5525-X Threat Defense (75) Version 6.2.0 (Build 362) UUID : 2849ba3c-ecb8-11e6-98ca-b9fc2975893c Rules update version : 2017-03-15-001-vrt VDB version : 279 ----------------------------------------------------
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 Cisco ASA Software or FTD Software running on the following platforms:
ASA 1000V Cloud Firewall
ASA 5505 Adaptive Security Appliance1
1 ASA 5500 Series Adaptive Security Appliances other than the ASA 5505 have reached the end-of-support milestone and are no longer evaluated for security vulnerabilities.
Workarounds
There are no workarounds that address this vulnerability.
Fixed Software
Cisco has released free software updates that address the vulnerability described in this advisory. 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.
When considering software upgrades, customers are advised to regularly consult the advisories for Cisco products, which are available from the Cisco Security Advisories and Alerts 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.
Fixed Releases
Customers are advised to upgrade to an appropriate release ["https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#fixes"] as indicated in the applicable table in this section. To ensure a complete upgrade solution, customers should consider that this advisory is part of a collection that includes the following advisories:
cisco-sa-20190501-asa-csrf ["https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-asa-csrf"]: Cisco Adaptive Security Appliance Software Cross-Site Request Forgery Vulnerability
cisco-sa-20190501-asa-frpwrtd-dos ["https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-asa-frpwrtd-dos"]: Cisco Adaptive Security Appliance Software and Cisco Firepower Threat Defense Software TCP Timer Handling Denial of Service Vulnerability
cisco-sa-20190501-asa-ftd-dos ["https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-asa-ftd-dos"]: Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software WebVPN Denial of Service Vulnerability
cisco-sa-20190501-asa-ftd-entropy ["https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-asa-ftd-entropy"]: Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Low-Entropy Keys Vulnerability
cisco-sa-20190501-asa-ftd-ike-dos ["https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-asa-ftd-ike-dos"]: Cisco Adaptive Security Appliance Software and Cisco Firepower Threat Defense Software MOBIKE Denial of Service Vulnerability
cisco-sa-20190501-asaftd-saml-vpn ["https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-asaftd-saml-vpn"]: Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software VPN SAML Authentication Bypass Vulnerability
cisco-sa-20190501-asa-ipsec-dos ["https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-asa-ipsec-dos"]: Cisco Adaptive Security Appliance Software IPsec Denial of Service Vulnerability
cisco-sa-20190501-firepower-dos ["https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-firepower-dos"]: Cisco Firepower Threat Defense Software TCP Ingress Handler Denial of Service Vulnerability
cisco-sa-20190501-frpwr-dos: ["http://https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-frpwr-dos"] Cisco Firepower Threat Defense Software Packet Processing Denial of Service Vulnerability
cisco-sa-20190501-frpwr-smb-snort ["https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-frpwr-smb-snort"]: Cisco Firepower Threat Defense Software SMB Protocol Preprocessor Detection Engine Denial of Service Vulnerabilities
cisco-sa-20190501-sd-cpu-dos ["https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-sd-cpu-dos"]: Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software WebVPN Denial of Service Vulnerability
In the following table(s), the left column lists Cisco software releases. The center column indicates whether a release is affected by the vulnerability described in this advisory and the release that includes the fix for this vulnerability. The right column indicates whether a release is affected by all the vulnerabilities described in this collection of advisories and which release includes fixes for those vulnerabilities.
Cisco ASA Software
Cisco ASA Software Release
Recommended Release for This Vulnerability
Recommended Release for All Vulnerabilities Described in the Collection of Advisories
Prior to 9.41
Not vulnerable
9.4.4.34
9.4 Not vulnerable
9.4.4.34 9.51 Not vulnerable
9.6.4.25 9.6 Not vulnerable 9.6.4.25 9.71 9.8.4
9.8.4 9.8 9.8.4 9.8.4 9.9 9.9.2.50
9.9.2.50 9.10 9.10.1.17 9.10.1.17 9.12 Not vulnerable Not vulnerable
1Cisco ASA Software releases prior to Release 9.4 and Cisco ASA Software Releases 9.5 and 9.7 have reached end of maintenance. Customers should migrate to a supported release that includes the fix for this vulnerability.
Cisco FTD Software
Cisco FTD Software Release
Recommended Release for This Vulnerability
Recommended Release for All Vulnerabilities Described in the Collection of Advisories
6.0 Not vulnerable
6.2.3.12 6.0.1 Not vulnerable 6.2.3.12 6.1.0 Not vulnerable 6.2.3.12 6.2.0 Not vulnerable 6.2.3.12 6.2.1 6.2.3.12
6.2.3.12 6.2.2 6.2.3.12
6.2.3.12 6.2.3 6.2.3.12
6.2.3.12 6.3.0 6.3.0.3
6.3.0.3
6.4.0 Not vulnerable Not vulnerable
To upgrade to a fixed release of Cisco FTD Software, customers can do one of the following:
For devices that are managed by using Cisco Firepower Management Center (FMC), use the FMC interface to install the upgrade. After installation is complete, reapply the access control policy.
For devices that are managed by using Cisco Firepower Device Manager (FDM), use the FDM interface to install the upgrade. After installation is complete, reapply the access control policy.
Vulnerability Policy
To learn about Cisco security vulnerability disclosure policies and publications, see the Security Vulnerability Policy ["https://sec.cloudapps.cisco.com/security/center/resources/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 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 during internal security testing."
}
],
"category": "csaf_security_advisory",
"csaf_version": "2.0",
"notes": [
{
"category": "summary",
"text": "A vulnerability in the implementation of Security Assertion Markup Language (SAML) 2.0 Single Sign-On (SSO) for Clientless SSL VPN (WebVPN) and AnyConnect Remote Access VPN in Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to successfully establish a VPN session to an affected device.\r\n\r\nThe vulnerability is due to improper credential management when using NT LAN Manager (NTLM) or basic authentication. An attacker could exploit this vulnerability by opening a VPN session to an affected device after another VPN user has successfully authenticated to the affected device via SAML SSO. A successful exploit could allow the attacker to connect to secured networks behind the affected device.\r\nCisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.\r\n\r\nThis advisory is available at the following link:\r\nhttps://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-asaftd-saml-vpn [\"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-asaftd-saml-vpn\"]",
"title": "Summary"
},
{
"category": "general",
"text": "This vulnerability affects the following Cisco products that are running Cisco ASA Software Release 9.7.1 or later or Cisco FTD Software Release 6.2.1 or later configured for SAML 2.0-based SSO for Clientless SSL VPN (WebVPN) or AnyConnect Remote Access VPN:\r\n\r\n3000 Series Industrial Security Appliances (ISAs)\r\nAdaptive Security Appliance (ASA) 5500-X Series Firewalls\r\nASA Services Module for Cisco Catalyst 6500 Series Switches and Cisco 7600 Series Routers\r\nAdaptive Security Virtual Appliance (ASAv)\r\nFirepower 2100 Series\r\nFirepower 4100 Series\r\nFirepower 9300 Security Appliances\r\nFirepower Threat Defense Virtual\r\n\r\nFor information about which Cisco ASA Software and FTD Software releases are vulnerable, see the Fixed Software [\"#fs\"] section of this advisory.\r\n ASA and FTD Features\r\nCisco ASA Software and FTD Software are vulnerable only if all of the following features are configured:\r\n\r\nSAML 2.0 Identity Provider (IdP)\r\nSAML 2.0 Service Provider (SP)\r\nAnyConnect Remote Access VPN or Clientless SSL VPN (WebVPN)\r\n\r\nNote: SAML 2.0 for AnyConnect features are first supported as of ASA Release 9.7.1, FTD Release 6.2.1, and AnyConnect Secure Mobility Client Release 4.4.00243.\r\n\r\nTo determine whether ASA or FTD is configured with a SAML 2.0 IdP, administrators can use the show webvpn saml idp CLI command. The following output shows an ASA configured with a SAML 2.0 IdP:\r\n\r\n\r\nciscoasa# show webvpn saml idp\r\n saml idp my_domain_idp url sign-in https://asa-dev.my.domain.com/idp/endpoint/HttpRedirect url sign-out https://asa-dev.my.domain.com/idp/endpoint/HttpRedirect trustpoint idp my_domain_trustpoint trustpoint sp asa_trustpoint\r\n\r\nTo determine whether ASA or FTD is configured with SAML 2.0 SP, administrators can use the show running-config tunnel-group | include remote-access|webvpn-attributes|saml CLI command. The following output shows an ASA configured with SAML 2.0 SP:\r\n\r\n\r\nciscoasa# show running-config tunnel-group | include remote-access|webvpn-attributes|saml\r\ntunnel-group cloud_idp_onelogin type remote-access\r\ntunnel-group cloud_idp_onelogin webvpn-attributes\r\nauthentication saml\r\nsaml identity-provider my_domain_idp\r\n\r\nTo determine whether ASA or FTD is configured for AnyConnect Remote Access VPN or Clientless SSL VPN (WebVPN), administrators can use the show running-config CLI command and consult the following table for vulnerable configurations:\r\n\r\n Feature Vulnerable Configuration AnyConnect IKEv2 Remote Access (with client services) crypto ikev2 enable \u003cinterface_name\u003e client-services port \u003cport #\u003e\r\nwebvpn\r\n anyconnect enable AnyConnect IKEv2 Remote Access (without client services) crypto ikev2 enable \u003cinterface_name\u003e\r\nwebvpn\r\n anyconnect enable AnyConnect SSL VPN webvpn\r\n enable \u003cinterface_name\u003e Clientless SSL VPN (WebVPN)\r\n webvpn\r\n enable \u003cinterface_name\u003e Determining the Cisco ASA Software Release\r\nTo determine which Cisco ASA Software release is running on a device, administrators can log in to the device, use the show version | include Version command in the CLI, and refer to the output of the command. The following example shows the output of the command for a device that is running Cisco ASA Software Release 9.9.2.18:\r\n\r\n\r\nciscoasa# show version | include Version\r\nCisco Adaptive Security Appliance Software Version 9.9.2.18 Device Manager Version 7.4(1) . . .\r\n\r\nIf a device is managed by using Cisco Adaptive Security Device Manager (ASDM), administrators can also determine which release is running on a device by referring to the release information in the table that appears in the Cisco ASDM login window or the Device Dashboard tab of the Cisco ASDM Home pane.\r\n Determining the Cisco FTD Software Release\r\nTo determine which Cisco FTD Software release is running on a device, administrators can log in to the device, use the show version command in the CLI, and refer to the output of the command. The following example shows the output of the command for a device that is running Cisco FTD Software Release 6.2.0:\r\n\r\n\r\n\u003e show version\r\n ---------------------[ ftd ]--------------------- Model : Cisco ASA5525-X Threat Defense (75) Version 6.2.0 (Build 362) UUID : 2849ba3c-ecb8-11e6-98ca-b9fc2975893c Rules update version : 2017-03-15-001-vrt VDB version : 279 ----------------------------------------------------",
"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 Cisco ASA Software or FTD Software running on the following platforms:\r\n\r\nASA 1000V Cloud Firewall\r\nASA 5505 Adaptive Security Appliance1\r\n\r\n 1 ASA 5500 Series Adaptive Security Appliances other than the ASA 5505 have reached the end-of-support milestone and are no longer evaluated for security vulnerabilities.",
"title": "Products Confirmed Not Vulnerable"
},
{
"category": "general",
"text": "There are no workarounds that address this vulnerability.",
"title": "Workarounds"
},
{
"category": "general",
"text": "Cisco has released free software updates that address the vulnerability described in this advisory. 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:\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\nWhen considering software upgrades, customers are advised to regularly consult the advisories for Cisco products, which are available from the Cisco Security Advisories and Alerts 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\n Customers 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:\r\nhttps://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\n Fixed Releases\r\nCustomers are advised to upgrade to an appropriate release [\"https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#fixes\"] as indicated in the applicable table in this section. To ensure a complete upgrade solution, customers should consider that this advisory is part of a collection that includes the following advisories:\r\n\r\ncisco-sa-20190501-asa-csrf [\"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-asa-csrf\"]: Cisco Adaptive Security Appliance Software Cross-Site Request Forgery Vulnerability\r\ncisco-sa-20190501-asa-frpwrtd-dos [\"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-asa-frpwrtd-dos\"]: Cisco Adaptive Security Appliance Software and Cisco Firepower Threat Defense Software TCP Timer Handling Denial of Service Vulnerability\r\ncisco-sa-20190501-asa-ftd-dos [\"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-asa-ftd-dos\"]: Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software WebVPN Denial of Service Vulnerability\r\ncisco-sa-20190501-asa-ftd-entropy [\"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-asa-ftd-entropy\"]: Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Low-Entropy Keys Vulnerability\r\ncisco-sa-20190501-asa-ftd-ike-dos [\"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-asa-ftd-ike-dos\"]: Cisco Adaptive Security Appliance Software and Cisco Firepower Threat Defense Software MOBIKE Denial of Service Vulnerability\r\ncisco-sa-20190501-asaftd-saml-vpn [\"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-asaftd-saml-vpn\"]: Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software VPN SAML Authentication Bypass Vulnerability\r\ncisco-sa-20190501-asa-ipsec-dos [\"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-asa-ipsec-dos\"]: Cisco Adaptive Security Appliance Software IPsec Denial of Service Vulnerability\r\ncisco-sa-20190501-firepower-dos [\"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-firepower-dos\"]: Cisco Firepower Threat Defense Software TCP Ingress Handler Denial of Service Vulnerability\r\ncisco-sa-20190501-frpwr-dos: [\"http://https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-frpwr-dos\"] Cisco Firepower Threat Defense Software Packet Processing Denial of Service Vulnerability\r\ncisco-sa-20190501-frpwr-smb-snort [\"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-frpwr-smb-snort\"]: Cisco Firepower Threat Defense Software SMB Protocol Preprocessor Detection Engine Denial of Service Vulnerabilities\r\ncisco-sa-20190501-sd-cpu-dos [\"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501-sd-cpu-dos\"]: Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software WebVPN Denial of Service Vulnerability\r\n\r\nIn the following table(s), the left column lists Cisco software releases. The center column indicates whether a release is affected by the vulnerability described in this advisory and the release that includes the fix for this vulnerability. The right column indicates whether a release is affected by all the vulnerabilities described in this collection of advisories and which release includes fixes for those vulnerabilities.\r\n\r\nCisco ASA Software\r\n Cisco ASA Software Release\r\n Recommended Release for This Vulnerability\r\n Recommended Release for All Vulnerabilities Described in the Collection of Advisories\r\n Prior to 9.41\r\n Not vulnerable\r\n 9.4.4.34\r\n 9.4 Not vulnerable\r\n 9.4.4.34 9.51 Not vulnerable\r\n 9.6.4.25 9.6 Not vulnerable 9.6.4.25 9.71 9.8.4\r\n 9.8.4 9.8 9.8.4 9.8.4 9.9 9.9.2.50\r\n 9.9.2.50 9.10 9.10.1.17 9.10.1.17 9.12 Not vulnerable Not vulnerable\r\n 1Cisco ASA Software releases prior to Release 9.4 and Cisco ASA Software Releases 9.5 and 9.7 have reached end of maintenance. Customers should migrate to a supported release that includes the fix for this vulnerability.\r\nCisco FTD Software\r\n Cisco FTD Software Release\r\n Recommended Release for This Vulnerability\r\n Recommended Release for All Vulnerabilities Described in the Collection of Advisories\r\n 6.0 Not vulnerable\r\n 6.2.3.12 6.0.1 Not vulnerable 6.2.3.12 6.1.0 Not vulnerable 6.2.3.12 6.2.0 Not vulnerable 6.2.3.12 6.2.1 6.2.3.12\r\n 6.2.3.12 6.2.2 6.2.3.12\r\n 6.2.3.12 6.2.3 6.2.3.12\r\n 6.2.3.12 6.3.0 6.3.0.3\r\n 6.3.0.3\r\n 6.4.0 Not vulnerable Not vulnerable\r\nTo upgrade to a fixed release of Cisco FTD Software, customers can do one of the following:\r\n\r\nFor devices that are managed by using Cisco Firepower Management Center (FMC), use the FMC interface to install the upgrade. After installation is complete, reapply the access control policy.\r\nFor devices that are managed by using Cisco Firepower Device Manager (FDM), use the FDM interface to install the upgrade. After installation is complete, reapply the access control policy.",
"title": "Fixed Software"
},
{
"category": "general",
"text": "To learn about Cisco security vulnerability disclosure policies and publications, see the Security Vulnerability Policy [\"https://sec.cloudapps.cisco.com/security/center/resources/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 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.",
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"vulnerabilities": [
{
"cve": "CVE-2019-1714",
"ids": [
{
"system_name": "Cisco Bug ID",
"text": "CSCvn72570"
}
],
"notes": [
{
"category": "other",
"text": "Complete.",
"title": "Affected Product Comprehensiveness"
}
],
"product_status": {
"known_affected": [
"CSAFPID-221032",
"CSAFPID-224857",
"CSAFPID-224858",
"CSAFPID-232585",
"CSAFPID-232586",
"CSAFPID-232587",
"CSAFPID-232588",
"CSAFPID-232589",
"CSAFPID-232590",
"CSAFPID-232591",
"CSAFPID-232592",
"CSAFPID-232894",
"CSAFPID-232895",
"CSAFPID-232896",
"CSAFPID-232897",
"CSAFPID-232898",
"CSAFPID-232899",
"CSAFPID-232900",
"CSAFPID-232901",
"CSAFPID-232902",
"CSAFPID-232903",
"CSAFPID-232904",
"CSAFPID-232905",
"CSAFPID-232906",
"CSAFPID-235910",
"CSAFPID-235911",
"CSAFPID-235912",
"CSAFPID-235913",
"CSAFPID-235914",
"CSAFPID-235915",
"CSAFPID-239004",
"CSAFPID-239005",
"CSAFPID-239006",
"CSAFPID-246605",
"CSAFPID-248817",
"CSAFPID-248818",
"CSAFPID-248819",
"CSAFPID-248820",
"CSAFPID-248821",
"CSAFPID-248822",
"CSAFPID-248823",
"CSAFPID-248824",
"CSAFPID-248825",
"CSAFPID-248826",
"CSAFPID-248827",
"CSAFPID-249181",
"CSAFPID-249192",
"CSAFPID-251744",
"CSAFPID-251745",
"CSAFPID-251746",
"CSAFPID-251751",
"CSAFPID-251752",
"CSAFPID-255555",
"CSAFPID-255556",
"CSAFPID-255559",
"CSAFPID-255560",
"CSAFPID-255929",
"CSAFPID-226359",
"CSAFPID-226360",
"CSAFPID-232929",
"CSAFPID-232930",
"CSAFPID-233334",
"CSAFPID-245396",
"CSAFPID-245397",
"CSAFPID-245398",
"CSAFPID-247893",
"CSAFPID-247894",
"CSAFPID-247895",
"CSAFPID-247896",
"CSAFPID-248816",
"CSAFPID-251755",
"CSAFPID-251756",
"CSAFPID-251757",
"CSAFPID-251759",
"CSAFPID-258063",
"CSAFPID-258064",
"CSAFPID-258065",
"CSAFPID-258915"
]
},
"release_date": "2019-05-01T16:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"details": "Cisco has released software updates that address this vulnerability.",
"product_ids": [
"CSAFPID-226359",
"CSAFPID-226360",
"CSAFPID-232929",
"CSAFPID-232930",
"CSAFPID-233334",
"CSAFPID-245396",
"CSAFPID-245397",
"CSAFPID-245398",
"CSAFPID-247893",
"CSAFPID-247894",
"CSAFPID-247895",
"CSAFPID-247896",
"CSAFPID-248816",
"CSAFPID-251755",
"CSAFPID-251756",
"CSAFPID-251757",
"CSAFPID-251759",
"CSAFPID-258063",
"CSAFPID-258064",
"CSAFPID-258065",
"CSAFPID-258915",
"CSAFPID-221032",
"CSAFPID-224857",
"CSAFPID-224858",
"CSAFPID-232585",
"CSAFPID-232586",
"CSAFPID-232587",
"CSAFPID-232588",
"CSAFPID-232589",
"CSAFPID-232590",
"CSAFPID-232591",
"CSAFPID-232592",
"CSAFPID-232894",
"CSAFPID-232895",
"CSAFPID-232896",
"CSAFPID-232897",
"CSAFPID-232898",
"CSAFPID-232899",
"CSAFPID-232900",
"CSAFPID-232901",
"CSAFPID-232902",
"CSAFPID-232903",
"CSAFPID-232904",
"CSAFPID-232905",
"CSAFPID-232906",
"CSAFPID-235910",
"CSAFPID-235911",
"CSAFPID-235912",
"CSAFPID-235913",
"CSAFPID-235914",
"CSAFPID-235915",
"CSAFPID-239004",
"CSAFPID-239005",
"CSAFPID-239006",
"CSAFPID-246605",
"CSAFPID-248817",
"CSAFPID-248818",
"CSAFPID-248819",
"CSAFPID-248820",
"CSAFPID-248821",
"CSAFPID-248822",
"CSAFPID-248823",
"CSAFPID-248824",
"CSAFPID-248825",
"CSAFPID-248826",
"CSAFPID-248827",
"CSAFPID-249181",
"CSAFPID-249192",
"CSAFPID-251744",
"CSAFPID-251745",
"CSAFPID-251746",
"CSAFPID-251751",
"CSAFPID-251752",
"CSAFPID-255555",
"CSAFPID-255556",
"CSAFPID-255559",
"CSAFPID-255560",
"CSAFPID-255929"
],
"url": "https://software.cisco.com"
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 5.8,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N",
"version": "3.0"
},
"products": [
"CSAFPID-221032",
"CSAFPID-224857",
"CSAFPID-224858",
"CSAFPID-232585",
"CSAFPID-232586",
"CSAFPID-232587",
"CSAFPID-232588",
"CSAFPID-232589",
"CSAFPID-232590",
"CSAFPID-232591",
"CSAFPID-232592",
"CSAFPID-232894",
"CSAFPID-232895",
"CSAFPID-232896",
"CSAFPID-232897",
"CSAFPID-232898",
"CSAFPID-232899",
"CSAFPID-232900",
"CSAFPID-232901",
"CSAFPID-232902",
"CSAFPID-232903",
"CSAFPID-232904",
"CSAFPID-232905",
"CSAFPID-232906",
"CSAFPID-235910",
"CSAFPID-235911",
"CSAFPID-235912",
"CSAFPID-235913",
"CSAFPID-235914",
"CSAFPID-235915",
"CSAFPID-239004",
"CSAFPID-239005",
"CSAFPID-239006",
"CSAFPID-246605",
"CSAFPID-248817",
"CSAFPID-248818",
"CSAFPID-248819",
"CSAFPID-248820",
"CSAFPID-248821",
"CSAFPID-248822",
"CSAFPID-248823",
"CSAFPID-248824",
"CSAFPID-248825",
"CSAFPID-248826",
"CSAFPID-248827",
"CSAFPID-249181",
"CSAFPID-249192",
"CSAFPID-251744",
"CSAFPID-251745",
"CSAFPID-251746",
"CSAFPID-251751",
"CSAFPID-251752",
"CSAFPID-255555",
"CSAFPID-255556",
"CSAFPID-255559",
"CSAFPID-255560",
"CSAFPID-255929",
"CSAFPID-226359",
"CSAFPID-226360",
"CSAFPID-232929",
"CSAFPID-232930",
"CSAFPID-233334",
"CSAFPID-245396",
"CSAFPID-245397",
"CSAFPID-245398",
"CSAFPID-247893",
"CSAFPID-247894",
"CSAFPID-247895",
"CSAFPID-247896",
"CSAFPID-248816",
"CSAFPID-251755",
"CSAFPID-251756",
"CSAFPID-251757",
"CSAFPID-251759",
"CSAFPID-258063",
"CSAFPID-258064",
"CSAFPID-258065",
"CSAFPID-258915"
]
}
],
"title": "Cisco Adaptive Security Appliance Software and Cisco Firepower Threat Defense Software VPN SAML Authentication Bypass Vulnerability"
}
]
}
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