ID F5:K15759349 Type f5 Reporter f5 Modified 2019-10-04T15:26:00
Description
F5 Product Development has assigned ID 756538 (BIG-IP) to this vulnerability.
To determine if your product and version have been evaluated for this vulnerability, refer to the Applies to (see versions) box. To determine if your release is known to be vulnerable, the components or features that are affected by the vulnerability, and for information about releases or hotfixes that address the vulnerability, refer to the following table. For more information about security advisory versioning, refer to K51812227: Understanding Security Advisory versioning.
Product | Branch | Versions known to be vulnerable | Fixes introduced in | Severity | CVSSv3 score1 | Vulnerable component or feature
---|---|---|---|---|---|---
BIG-IP (LTM, AAM, AFM, Analytics, APM, ASM, DNS, Edge Gateway, FPS, GTM, Link Controller, PEM, WebAccelerator)
1The CVSSv3 score link takes you to a resource outside of AskF5, and it is possible that the document may be removed without our knowledge.
If you are running a version listed in the Versions known to be vulnerable column, you can eliminate this vulnerability by upgrading to a version listed in the Fixes introduced in column. If the table lists only an older version than what you are currently running, or does not list a non-vulnerable version, then no upgrade candidate currently exists.
Mitigation
To mitigate this vulnerability, you can disable connection mirroring for FTP virtual servers, or use passive FTP. To do so, perform the following procedure:
Disabling connection mirroring
Impact of action: Disabling connection mirroring may disrupt in-flight FTP connections in the event of a failover.
From the BIG-IP configuration utility, navigate to Local Traffic > Virtual Servers > Virtual Servers List.
{"id": "F5:K15759349", "bulletinFamily": "software", "title": "BIG-IP FTP profile vulnerability CVE-2019-6645", "description": "\nF5 Product Development has assigned ID 756538 (BIG-IP) to this vulnerability.\n\nTo determine if your product and version have been evaluated for this vulnerability, refer to the **Applies to (see versions)** box. To determine if your release is known to be vulnerable, the components or features that are affected by the vulnerability, and for information about releases or hotfixes that address the vulnerability, refer to the following table. For more information about security advisory versioning, refer to [K51812227: Understanding Security Advisory versioning](<https://support.f5.com/csp/article/K51812227>).\n\nProduct | Branch | Versions known to be vulnerable | Fixes introduced in | Severity | CVSSv3 score1 | Vulnerable component or feature \n---|---|---|---|---|---|--- \nBIG-IP (LTM, AAM, AFM, Analytics, APM, ASM, DNS, Edge Gateway, FPS, GTM, Link Controller, PEM, WebAccelerator) \n\n \n\n| 15.x | None | 15.0.0 | High | [7.5](<https://first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H>) | FTP Profile \n14.x | 14.1.0 | 14.1.0.6 \n14.0.0 | None \n13.x | 13.1.0 - 13.1.1 | 13.1.3 \n12.x | 12.1.0 - 12.1.4 | 12.1.5 \n11.x | 11.5.2 - 11.6.5 | 11.6.5.1 \nEnterprise Manager | 3.x | None | Not applicable | Not vulnerable | None | None \nBIG-IQ Centralized Management | 6.x | None | Not applicable | Not vulnerable | None | None \n5.x | None | Not applicable \nF5 iWorkflow | 2.x | None | Not applicable | Not vulnerable | None | None \nTraffix SDC | 5.x | None | Not applicable | Not vulnerable | None | None \n \n1The CVSSv3 score link takes you to a resource outside of AskF5, and it is possible that the document may be removed without our knowledge.\n\nIf you are running a version listed in the **Versions known to be vulnerable** column, you can eliminate this vulnerability by upgrading to a version listed in the **Fixes introduced in** column. If the table lists only an older version than what you are currently running, or does not list a non-vulnerable version, then no upgrade candidate currently exists.\n\nMitigation\n\nTo mitigate this vulnerability, you can disable connection mirroring for FTP virtual servers, or use passive FTP. To do so, perform the following procedure:\n\nDisabling connection mirroring\n\n**Impact of action**: Disabling connection mirroring may disrupt in-flight FTP connections in the event of a failover.\n\n 1. From the BIG-IP configuration utility, navigate to **Local Traffic** > **Virtual Servers **> **Virtual Servers List**.\n 2. Select your FTP virtual server.\n 3. Set the Configuration mode to **Advanced**.\n 4. Clear the **Connection mirroring** option.\n 5. To save the changes, click **Update**.\n\n * [K51812227: Understanding Security Advisory versioning](<https://support.f5.com/csp/article/K51812227>)\n * [K41942608: Overview of Security Advisory articles](<https://support.f5.com/csp/article/K41942608>)\n * [K4602: Overview of the F5 security vulnerability response policy](<https://support.f5.com/csp/article/K4602>)\n * [K4918: Overview of the F5 critical issue hotfix policy](<https://support.f5.com/csp/article/K4918>)\n * [K9502: BIG-IP hotfix and point release matrix](<https://support.f5.com/csp/article/K9502>)\n * [K13123: Managing BIG-IP product hotfixes (11.x - 15.x)](<https://support.f5.com/csp/article/K13123>)\n * [K167: Downloading software and firmware from F5](<https://support.f5.com/csp/article/K167>)\n * [K9970: Subscribing to email notifications regarding F5 products](<https://support.f5.com/csp/article/K9970>)\n * [K9957: Creating a custom RSS feed to view new and updated documents](<https://support.f5.com/csp/article/K9957>)\n", "published": "2019-08-08T23:08:00", "modified": "2019-10-04T15:26:00", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}, "href": "https://support.f5.com/csp/article/K15759349", "reporter": "f5", "references": [], "cvelist": ["CVE-2019-6645"], "type": "f5", "lastseen": "2020-04-06T22:39:45", "edition": 1, "viewCount": 5, "enchantments": {"dependencies": {"references": [{"type": "cve", "idList": ["CVE-2019-6645"]}, {"type": "nessus", "idList": ["F5_BIGIP_SOL15759349.NASL"]}], "modified": "2020-04-06T22:39:45", "rev": 2}, "score": {"value": 5.6, "vector": "NONE", "modified": "2020-04-06T22:39:45", "rev": 2}, "vulnersScore": 5.6}, "affectedSoftware": [], "immutableFields": []}
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(CVE-2019-6645)\n\nImpact\n\nThis vulnerability allows remote attackers to cause a\ndenial-of-service (DoS) on the BIG-IP system.\"\n );\n script_set_attribute(\n attribute:\"see_also\",\n value:\"https://cve.mitre.org/cgi-bin/cvekey.cgi?keyword=CVE-2019-6645\"\n );\n script_set_attribute(\n attribute:\"see_also\",\n value:\"https://support.f5.com/csp/article/K15759349\"\n );\n script_set_attribute(\n attribute:\"solution\", \n value:\n\"Upgrade to one of the non-vulnerable versions listed in the F5\nSolution K15759349.\"\n );\n script_set_cvss_base_vector(\"CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P\");\n script_set_cvss_temporal_vector(\"CVSS2#E:U/RL:OF/RC:C\");\n script_set_cvss3_base_vector(\"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\");\n script_set_cvss3_temporal_vector(\"CVSS:3.0/E:U/RL:O/RC:C\");\n script_set_attribute(attribute:\"exploitability_ease\", value:\"No known exploits are available\");\n\n script_set_attribute(attribute:\"potential_vulnerability\", value:\"true\");\n script_set_attribute(attribute:\"plugin_type\", value:\"local\");\n script_set_attribute(attribute:\"cpe\", value:\"cpe:/a:f5:big-ip_access_policy_manager\");\n script_set_attribute(attribute:\"cpe\", value:\"cpe:/a:f5:big-ip_advanced_firewall_manager\");\n script_set_attribute(attribute:\"cpe\", value:\"cpe:/a:f5:big-ip_application_acceleration_manager\");\n script_set_attribute(attribute:\"cpe\", value:\"cpe:/a:f5:big-ip_application_security_manager\");\n script_set_attribute(attribute:\"cpe\", value:\"cpe:/a:f5:big-ip_application_visibility_and_reporting\");\n script_set_attribute(attribute:\"cpe\", value:\"cpe:/a:f5:big-ip_global_traffic_manager\");\n script_set_attribute(attribute:\"cpe\", value:\"cpe:/a:f5:big-ip_link_controller\");\n script_set_attribute(attribute:\"cpe\", value:\"cpe:/a:f5:big-ip_local_traffic_manager\");\n script_set_attribute(attribute:\"cpe\", value:\"cpe:/a:f5:big-ip_policy_enforcement_manager\");\n script_set_attribute(attribute:\"cpe\", value:\"cpe:/a:f5:big-ip_webaccelerator\");\n script_set_attribute(attribute:\"cpe\", value:\"cpe:/h:f5:big-ip\");\n\n script_set_attribute(attribute:\"vuln_publication_date\", value:\"2019/09/04\");\n script_set_attribute(attribute:\"patch_publication_date\", value:\"2019/08/08\");\n script_set_attribute(attribute:\"plugin_publication_date\", value:\"2019/08/12\");\n script_set_attribute(attribute:\"generated_plugin\", value:\"current\");\n script_end_attributes();\n\n script_category(ACT_GATHER_INFO);\n script_copyright(english:\"This script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof.\");\n script_family(english:\"F5 Networks Local Security Checks\");\n\n script_dependencies(\"f5_bigip_detect.nbin\");\n script_require_keys(\"Host/local_checks_enabled\", \"Host/BIG-IP/hotfix\", \"Host/BIG-IP/modules\", \"Host/BIG-IP/version\", \"Settings/ParanoidReport\");\n\n exit(0);\n}\n\n\ninclude(\"f5_func.inc\");\n\nif ( ! get_kb_item(\"Host/local_checks_enabled\") ) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);\nversion = get_kb_item(\"Host/BIG-IP/version\");\nif ( ! version ) audit(AUDIT_OS_NOT, \"F5 Networks BIG-IP\");\nif ( isnull(get_kb_item(\"Host/BIG-IP/hotfix\")) ) audit(AUDIT_KB_MISSING, \"Host/BIG-IP/hotfix\");\nif ( ! get_kb_item(\"Host/BIG-IP/modules\") ) audit(AUDIT_KB_MISSING, \"Host/BIG-IP/modules\");\n\nsol = \"K15759349\";\nvmatrix = make_array();\n\nif (report_paranoia < 2) audit(AUDIT_PARANOID);\n\n# AFM\nvmatrix[\"AFM\"] = make_array();\nvmatrix[\"AFM\"][\"affected\" ] = make_list(\"14.1.0\",\"13.1.0-13.1.1\",\"12.1.0-12.1.4\",\"11.5.2-11.6.5\");\nvmatrix[\"AFM\"][\"unaffected\"] = make_list(\"15.0.0\",\"14.1.0.6\",\"13.1.3\",\"12.1.5\",\"11.6.5.1\");\n\n# AM\nvmatrix[\"AM\"] = make_array();\nvmatrix[\"AM\"][\"affected\" ] = make_list(\"14.1.0\",\"13.1.0-13.1.1\",\"12.1.0-12.1.4\",\"11.5.2-11.6.5\");\nvmatrix[\"AM\"][\"unaffected\"] = make_list(\"15.0.0\",\"14.1.0.6\",\"13.1.3\",\"12.1.5\",\"11.6.5.1\");\n\n# APM\nvmatrix[\"APM\"] = make_array();\nvmatrix[\"APM\"][\"affected\" ] = make_list(\"14.1.0\",\"13.1.0-13.1.1\",\"12.1.0-12.1.4\",\"11.5.2-11.6.5\");\nvmatrix[\"APM\"][\"unaffected\"] = make_list(\"15.0.0\",\"14.1.0.6\",\"13.1.3\",\"12.1.5\",\"11.6.5.1\");\n\n# ASM\nvmatrix[\"ASM\"] = make_array();\nvmatrix[\"ASM\"][\"affected\" ] = make_list(\"14.1.0\",\"13.1.0-13.1.1\",\"12.1.0-12.1.4\",\"11.5.2-11.6.5\");\nvmatrix[\"ASM\"][\"unaffected\"] = make_list(\"15.0.0\",\"14.1.0.6\",\"13.1.3\",\"12.1.5\",\"11.6.5.1\");\n\n# AVR\nvmatrix[\"AVR\"] = make_array();\nvmatrix[\"AVR\"][\"affected\" ] = make_list(\"14.1.0\",\"13.1.0-13.1.1\",\"12.1.0-12.1.4\",\"11.5.2-11.6.5\");\nvmatrix[\"AVR\"][\"unaffected\"] = make_list(\"15.0.0\",\"14.1.0.6\",\"13.1.3\",\"12.1.5\",\"11.6.5.1\");\n\n# GTM\nvmatrix[\"GTM\"] = make_array();\nvmatrix[\"GTM\"][\"affected\" ] = make_list(\"14.1.0\",\"13.1.0-13.1.1\",\"12.1.0-12.1.4\",\"11.5.2-11.6.5\");\nvmatrix[\"GTM\"][\"unaffected\"] = make_list(\"15.0.0\",\"14.1.0.6\",\"13.1.3\",\"12.1.5\",\"11.6.5.1\");\n\n# LC\nvmatrix[\"LC\"] = make_array();\nvmatrix[\"LC\"][\"affected\" ] = make_list(\"14.1.0\",\"13.1.0-13.1.1\",\"12.1.0-12.1.4\",\"11.5.2-11.6.5\");\nvmatrix[\"LC\"][\"unaffected\"] = make_list(\"15.0.0\",\"14.1.0.6\",\"13.1.3\",\"12.1.5\",\"11.6.5.1\");\n\n# LTM\nvmatrix[\"LTM\"] = make_array();\nvmatrix[\"LTM\"][\"affected\" ] = make_list(\"14.1.0\",\"13.1.0-13.1.1\",\"12.1.0-12.1.4\",\"11.5.2-11.6.5\");\nvmatrix[\"LTM\"][\"unaffected\"] = make_list(\"15.0.0\",\"14.1.0.6\",\"13.1.3\",\"12.1.5\",\"11.6.5.1\");\n\n# PEM\nvmatrix[\"PEM\"] = make_array();\nvmatrix[\"PEM\"][\"affected\" ] = make_list(\"14.1.0\",\"13.1.0-13.1.1\",\"12.1.0-12.1.4\",\"11.5.2-11.6.5\");\nvmatrix[\"PEM\"][\"unaffected\"] = make_list(\"15.0.0\",\"14.1.0.6\",\"13.1.3\",\"12.1.5\",\"11.6.5.1\");\n\n# WAM\nvmatrix[\"WAM\"] = make_array();\nvmatrix[\"WAM\"][\"affected\" ] = make_list(\"14.1.0\",\"13.1.0-13.1.1\",\"12.1.0-12.1.4\",\"11.5.2-11.6.5\");\nvmatrix[\"WAM\"][\"unaffected\"] = make_list(\"15.0.0\",\"14.1.0.6\",\"13.1.3\",\"12.1.5\",\"11.6.5.1\");\n\n\nif (bigip_is_affected(vmatrix:vmatrix, sol:sol))\n{\n if (report_verbosity > 0) security_warning(port:0, extra:bigip_report_get());\n else security_warning(0);\n exit(0);\n}\nelse\n{\n tested = bigip_get_tested_modules();\n audit_extra = \"For BIG-IP module(s) \" + tested + \",\";\n if (tested) audit(AUDIT_INST_VER_NOT_VULN, audit_extra, version);\n else audit(AUDIT_HOST_NOT, \"running any of the affected modules\");\n}\n", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}}]}
