{"id": "CVE-2016-1888", "bulletinFamily": "NVD", "title": "CVE-2016-1888", "description": "The telnetd service in FreeBSD 9.3, 10.1, 10.2, 10.3, and 11.0 allows remote attackers to inject arguments to login and bypass authentication via vectors involving a \"sequence of memory allocation failures.\"", "published": "2017-02-15T15:59:00", "modified": "2017-02-17T16:56:00", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:P/A:N"}, "href": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2016-1888", "reporter": "cve@mitre.org", "references": ["https://www.freebsd.org/security/advisories/FreeBSD-SA-16:36.telnetd.asc", "http://www.securitytracker.com/id/1037399"], "cvelist": ["CVE-2016-1888"], "type": "cve", "lastseen": "2020-10-03T12:10:42", "edition": 3, "viewCount": 4, "enchantments": {"dependencies": {"references": [{"type": "nessus", "idList": ["FREEBSD_PKG_E00304D2BBED11E6B1CF14DAE9D210B8.NASL"]}, {"type": "freebsd", "idList": ["E00304D2-BBED-11E6-B1CF-14DAE9D210B8"]}], "modified": "2020-10-03T12:10:42", "rev": 2}, "score": {"value": 5.5, "vector": "NONE", "modified": "2020-10-03T12:10:42", "rev": 2}, "vulnersScore": 5.5}, "cpe": ["cpe:/o:freebsd:freebsd:11.0", "cpe:/o:freebsd:freebsd:9.3", "cpe:/o:freebsd:freebsd:10.3", "cpe:/o:freebsd:freebsd:10.2", "cpe:/o:freebsd:freebsd:10.1"], "affectedSoftware": [{"cpeName": "freebsd:freebsd", "name": "freebsd", "operator": "eq", "version": "11.0"}, {"cpeName": "freebsd:freebsd", "name": "freebsd", "operator": "eq", "version": "9.3"}, {"cpeName": "freebsd:freebsd", "name": "freebsd", "operator": "eq", "version": "10.2"}, {"cpeName": "freebsd:freebsd", "name": "freebsd", "operator": "eq", "version": "10.1"}, {"cpeName": "freebsd:freebsd", "name": "freebsd", "operator": "eq", "version": "10.3"}], "cvss2": {"cvssV2": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "severity": "MEDIUM", "userInteractionRequired": false}, "cvss3": {"cvssV3": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 3.6}, "cpe23": ["cpe:2.3:o:freebsd:freebsd:11.0:*:*:*:*:*:*:*", "cpe:2.3:o:freebsd:freebsd:9.3:*:*:*:*:*:*:*", "cpe:2.3:o:freebsd:freebsd:10.1:*:*:*:*:*:*:*", "cpe:2.3:o:freebsd:freebsd:10.3:*:*:*:*:*:*:*", "cpe:2.3:o:freebsd:freebsd:10.2:*:*:*:*:*:*:*"], "cwe": ["CWE-287"], "scheme": null, "cpeConfiguration": {"CVE_data_version": "4.0", "nodes": [{"cpe_match": [{"cpe23Uri": "cpe:2.3:o:freebsd:freebsd:10.1:*:*:*:*:*:*:*", "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:freebsd:freebsd:9.3:*:*:*:*:*:*:*", "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:freebsd:freebsd:10.3:*:*:*:*:*:*:*", "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:freebsd:freebsd:11.0:*:*:*:*:*:*:*", "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:freebsd:freebsd:10.2:*:*:*:*:*:*:*", "vulnerable": true}], "operator": "OR"}]}}

{"freebsd": [{"lastseen": "2019-05-29T18:32:25", "bulletinFamily": "unix", "cvelist": ["CVE-2016-1888"], "description": "\nProblem Description:\nAn unexpected sequence of memory allocation failures\n\tcombined with insufficient error checking could result in\n\tthe construction and execution of an argument sequence that\n\twas not intended.\nImpact:\nAn attacker who controls the sequence of memory allocation\n\tfailures and success may cause login(1) to run without\n\tauthentication and may be able to cause misbehavior of\n\tlogin(1) replacements.\nNo practical way of controlling these memory allocation\n\tfailures is known at this time.\n", "edition": 5, "modified": "2016-12-06T00:00:00", "published": "2016-12-06T00:00:00", "id": "E00304D2-BBED-11E6-B1CF-14DAE9D210B8", "href": "https://vuxml.freebsd.org/freebsd/e00304d2-bbed-11e6-b1cf-14dae9d210b8.html", "title": "FreeBSD -- Possible login(1) argument injection in telnetd(8)", "type": "freebsd", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:P/A:N"}}], "nessus": [{"lastseen": "2021-01-06T10:59:01", "description": "An unexpected sequence of memory allocation failures combined with\ninsufficient error checking could result in the construction and\nexecution of an argument sequence that was not intended. Impact : An\nattacker who controls the sequence of memory allocation failures and\nsuccess may cause login(1) to run without authentication and may be\nable to cause misbehavior of login(1) replacements.\n\nNo practical way of controlling these memory allocation failures is\nknown at this time.", "edition": 26, "cvss3": {"score": 7.5, "vector": "AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"}, "published": "2016-12-07T00:00:00", "title": "FreeBSD : FreeBSD -- Possible login(1) argument injection in telnetd(8) (e00304d2-bbed-11e6-b1cf-14dae9d210b8)", "type": "nessus", "bulletinFamily": "scanner", "cvelist": ["CVE-2016-1888"], "modified": "2016-12-07T00:00:00", "cpe": ["cpe:/o:freebsd:freebsd", "p-cpe:/a:freebsd:freebsd:FreeBSD"], "id": "FREEBSD_PKG_E00304D2BBED11E6B1CF14DAE9D210B8.NASL", "href": "https://www.tenable.com/plugins/nessus/95587", "sourceData": "#%NASL_MIN_LEVEL 70300\n#\n# (C) Tenable Network Security, Inc.\n#\n# The descriptive text and package checks in this plugin were \n# extracted from the FreeBSD VuXML database :\n#\n# Copyright 2003-2018 Jacques Vidrine and contributors\n#\n# Redistribution and use in source (VuXML) and 'compiled' forms (SGML,\n# HTML, PDF, PostScript, RTF and so forth) with or without modification,\n# are permitted provided that the following conditions are met:\n# 1. Redistributions of source code (VuXML) must retain the above\n# copyright notice, this list of conditions and the following\n# disclaimer as the first lines of this file unmodified.\n# 2. Redistributions in compiled form (transformed to other DTDs,\n# published online in any format, converted to PDF, PostScript,\n# RTF and other formats) must reproduce the above copyright\n# notice, this list of conditions and the following disclaimer\n# in the documentation and/or other materials provided with the\n# distribution.\n# \n# THIS DOCUMENTATION IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS \"AS IS\"\n# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,\n# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR\n# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS\n# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,\n# OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT\n# OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR\n# BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,\n# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE\n# OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS DOCUMENTATION,\n# EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n#\n\ninclude('deprecated_nasl_level.inc');\ninclude('compat.inc');\n\nif (description)\n{\n script_id(95587);\n script_version(\"3.4\");\n script_set_attribute(attribute:\"plugin_modification_date\", value:\"2021/01/04\");\n\n script_cve_id(\"CVE-2016-1888\");\n script_xref(name:\"FreeBSD\", value:\"SA-16:36.telnetd\");\n\n script_name(english:\"FreeBSD : FreeBSD -- Possible login(1) argument injection in telnetd(8) (e00304d2-bbed-11e6-b1cf-14dae9d210b8)\");\n script_summary(english:\"Checks for updated packages in pkg_info output\");\n\n script_set_attribute(\n attribute:\"synopsis\", \n value:\n\"The remote FreeBSD host is missing one or more security-related\nupdates.\"\n );\n script_set_attribute(\n attribute:\"description\", \n value:\n\"An unexpected sequence of memory allocation failures combined with\ninsufficient error checking could result in the construction and\nexecution of an argument sequence that was not intended. Impact : An\nattacker who controls the sequence of memory allocation failures and\nsuccess may cause login(1) to run without authentication and may be\nable to cause misbehavior of login(1) replacements.\n\nNo practical way of controlling these memory allocation failures is\nknown at this time.\"\n );\n # https://vuxml.freebsd.org/freebsd/e00304d2-bbed-11e6-b1cf-14dae9d210b8.html\n script_set_attribute(\n attribute:\"see_also\",\n value:\"http://www.nessus.org/u?595f99e3\"\n );\n script_set_attribute(attribute:\"solution\", value:\"Update the affected packages.\");\n script_set_cvss_base_vector(\"CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N\");\n script_set_cvss3_base_vector(\"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N\");\n\n script_set_attribute(attribute:\"plugin_type\", value:\"local\");\n script_set_attribute(attribute:\"cpe\", value:\"p-cpe:/a:freebsd:freebsd:FreeBSD\");\n script_set_attribute(attribute:\"cpe\", value:\"cpe:/o:freebsd:freebsd\");\n\n script_set_attribute(attribute:\"vuln_publication_date\", value:\"2016/12/06\");\n script_set_attribute(attribute:\"patch_publication_date\", value:\"2016/12/06\");\n script_set_attribute(attribute:\"plugin_publication_date\", value:\"2016/12/07\");\n script_end_attributes();\n\n script_category(ACT_GATHER_INFO);\n script_copyright(english:\"This script is Copyright (C) 2016-2021 and is owned by Tenable, Inc. or an Affiliate thereof.\");\n script_family(english:\"FreeBSD Local Security Checks\");\n\n script_dependencies(\"ssh_get_info.nasl\");\n script_require_keys(\"Host/local_checks_enabled\", \"Host/FreeBSD/release\", \"Host/FreeBSD/pkg_info\", \"Settings/ParanoidReport\");\n\n exit(0);\n}\n\n\ninclude(\"audit.inc\");\ninclude(\"freebsd_package.inc\");\n\n\nif (!get_kb_item(\"Host/local_checks_enabled\")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);\nif (!get_kb_item(\"Host/FreeBSD/release\")) audit(AUDIT_OS_NOT, \"FreeBSD\");\nif (!get_kb_item(\"Host/FreeBSD/pkg_info\")) audit(AUDIT_PACKAGE_LIST_MISSING);\n\n\nif (report_paranoia < 2) audit(AUDIT_PARANOID);\n\nflag = 0;\n\nif (pkg_test(save_report:TRUE, pkg:\"FreeBSD>=11.0<11.0_4\")) flag++;\nif (pkg_test(save_report:TRUE, pkg:\"FreeBSD>=10.3<10.3_13\")) flag++;\nif (pkg_test(save_report:TRUE, pkg:\"FreeBSD>=10.2<10.2_26\")) flag++;\nif (pkg_test(save_report:TRUE, pkg:\"FreeBSD>=10.1<10.1_43\")) flag++;\nif (pkg_test(save_report:TRUE, pkg:\"FreeBSD>=9.3<9.3_51\")) flag++;\n\nif (flag)\n{\n if (report_verbosity > 0) security_warning(port:0, extra:pkg_report_get());\n else security_warning(0);\n exit(0);\n}\nelse audit(AUDIT_HOST_NOT, \"affected\");\n", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:P/A:N"}}]}