{"cve": [{"lastseen": "2023-02-28T15:34:05", "description": "bleach.clean behavior parsing style attributes could result in a regular expression denial of service (ReDoS). Calls to bleach.clean with an allowed tag with an allowed style attribute are vulnerable to ReDoS. For example, bleach.clean(..., attributes={'a': ['style']}).", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2023-02-16T22:15:00", "type": "cve", "title": "CVE-2020-6817", "cwe": ["CWE-1333"], "bulletinFamily": "NVD", "cvss2": {}, "cvelist": ["CVE-2020-6817"], "modified": "2023-02-28T14:46:00", "cpe": [], "id": "CVE-2020-6817", "href": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2020-6817", "cvss": {"score": 0.0, "vector": "NONE"}, "cpe23": []}], "ubuntucve": [{"lastseen": "2023-03-01T13:09:41", "description": "bleach.clean behavior parsing style attributes could result in a regular\nexpression denial of service (ReDoS). Calls to bleach.clean with an allowed\ntag with an allowed style attribute are vulnerable to ReDoS. For example,\nbleach.clean(..., attributes={'a': ['style']}).\n\n#### Bugs\n\n * <http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=955388>\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2023-02-16T00:00:00", "type": "ubuntucve", "title": "CVE-2020-6817", "bulletinFamily": "info", "cvss2": {}, "cvelist": ["CVE-2020-6817"], "modified": "2023-02-16T00:00:00", "id": "UB:CVE-2020-6817", "href": "https://ubuntu.com/security/CVE-2020-6817", "cvss": {"score": 0.0, "vector": "NONE"}}], "nessus": [{"lastseen": "2023-03-03T14:19:41", "description": "Bleach developers reports :\n\nbleach.clean behavior parsing style attributes could result in a regular expression denial of service (ReDoS).\n\nCalls to bleach.clean with an allowed tag with an allowed style attribute are vulnerable to ReDoS. For example, bleach.clean(..., attributes={'a': ['style']}).", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2020-04-27T00:00:00", "type": "nessus", "title": "FreeBSD : py-bleach -- regular expression denial-of-service (4c52ec3c-86f3-11ea-b5b4-641c67a117d8)", "bulletinFamily": "scanner", "cvss2": {}, "cvelist": ["CVE-2020-6817"], "modified": "2023-03-01T00:00:00", "cpe": ["cpe:2.3:o:freebsd:freebsd:*:*:*:*:*:*:*:*", "p-cpe:2.3:a:freebsd:freebsd:py27-bleach:*:*:*:*:*:*:*", "p-cpe:2.3:a:freebsd:freebsd:py35-bleach:*:*:*:*:*:*:*", "p-cpe:2.3:a:freebsd:freebsd:py36-bleach:*:*:*:*:*:*:*", "p-cpe:2.3:a:freebsd:freebsd:py37-bleach:*:*:*:*:*:*:*", "p-cpe:2.3:a:freebsd:freebsd:py38-bleach:*:*:*:*:*:*:*"], "id": "FREEBSD_PKG_4C52EC3C86F311EAB5B4641C67A117D8.NASL", "href": "https://www.tenable.com/plugins/nessus/136003", "sourceData": "#\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 2003-2021 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('compat.inc');\n\nif (description)\n{\n script_id(136003);\n script_version(\"1.3\");\n script_set_attribute(attribute:\"plugin_modification_date\", value:\"2023/03/01\");\n\n script_cve_id(\"CVE-2020-6817\");\n\n script_name(english:\"FreeBSD : py-bleach -- regular expression denial-of-service (4c52ec3c-86f3-11ea-b5b4-641c67a117d8)\");\n\n script_set_attribute(attribute:\"synopsis\", value:\n\"The remote FreeBSD host is missing one or more security-related\nupdates.\");\n script_set_attribute(attribute:\"description\", value:\n\"Bleach developers reports :\n\nbleach.clean behavior parsing style attributes could result in a\nregular expression denial of service (ReDoS).\n\nCalls to bleach.clean with an allowed tag with an allowed style\nattribute are vulnerable to ReDoS. For example, bleach.clean(...,\nattributes={'a': ['style']}).\");\n # https://github.com/mozilla/bleach/security/advisories/GHSA-vqhp-cxgc-6wmm\n script_set_attribute(attribute:\"see_also\", value:\"http://www.nessus.org/u?e6313b43\");\n script_set_attribute(attribute:\"see_also\", value:\"https://bugzilla.mozilla.org/show_bug.cgi?id=1623633\");\n script_set_attribute(attribute:\"see_also\", value:\"https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=245943\");\n # https://vuxml.freebsd.org/freebsd/4c52ec3c-86f3-11ea-b5b4-641c67a117d8.html\n script_set_attribute(attribute:\"see_also\", value:\"http://www.nessus.org/u?19de3496\");\n script_set_attribute(attribute:\"solution\", value:\n\"Update the affected packages.\");\n script_set_cvss_base_vector(\"CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C\");\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:\"cvss_score_source\", value:\"CVE-2020-6817\");\n\n script_set_attribute(attribute:\"exploitability_ease\", value:\"No known exploits are available\");\n script_set_attribute(attribute:\"exploit_available\", value:\"false\");\n\n script_set_attribute(attribute:\"vuln_publication_date\", value:\"2019/03/09\");\n script_set_attribute(attribute:\"patch_publication_date\", value:\"2020/04/26\");\n script_set_attribute(attribute:\"plugin_publication_date\", value:\"2020/04/27\");\n\n script_set_attribute(attribute:\"plugin_type\", value:\"local\");\n script_set_attribute(attribute:\"cpe\", value:\"p-cpe:/a:freebsd:freebsd:py27-bleach\");\n script_set_attribute(attribute:\"cpe\", value:\"p-cpe:/a:freebsd:freebsd:py35-bleach\");\n script_set_attribute(attribute:\"cpe\", value:\"p-cpe:/a:freebsd:freebsd:py36-bleach\");\n script_set_attribute(attribute:\"cpe\", value:\"p-cpe:/a:freebsd:freebsd:py37-bleach\");\n script_set_attribute(attribute:\"cpe\", value:\"p-cpe:/a:freebsd:freebsd:py38-bleach\");\n script_set_attribute(attribute:\"cpe\", value:\"cpe:/o:freebsd:freebsd\");\n script_set_attribute(attribute:\"generated_plugin\", value:\"current\");\n script_end_attributes();\n\n script_category(ACT_GATHER_INFO);\n script_family(english:\"FreeBSD Local Security Checks\");\n\n script_copyright(english:\"This script is Copyright (C) 2020-2023 and is owned by Tenable, Inc. or an Affiliate thereof.\");\n\n script_dependencies(\"ssh_get_info.nasl\");\n script_require_keys(\"Host/local_checks_enabled\", \"Host/FreeBSD/release\", \"Host/FreeBSD/pkg_info\");\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\nflag = 0;\n\nif (pkg_test(save_report:TRUE, pkg:\"py27-bleach<3.1.4\")) flag++;\nif (pkg_test(save_report:TRUE, pkg:\"py35-bleach<3.1.4\")) flag++;\nif (pkg_test(save_report:TRUE, pkg:\"py36-bleach<3.1.4\")) flag++;\nif (pkg_test(save_report:TRUE, pkg:\"py37-bleach<3.1.4\")) flag++;\nif (pkg_test(save_report:TRUE, pkg:\"py38-bleach<3.1.4\")) flag++;\n\nif (flag)\n{\n if (report_verbosity > 0) security_hole(port:0, extra:pkg_report_get());\n else security_hole(0);\n exit(0);\n}\nelse audit(AUDIT_HOST_NOT, \"affected\");\n", "cvss": {"score": 0.0, "vector": "NONE"}}, {"lastseen": "2023-03-01T14:21:22", "description": "A vulnerability was discovered in python-bleach, a whitelist-based HTML-sanitizing library. Calls to bleach.clean with an allowed tag with an allowed style attribute are vulnerable to a regular expression denial of service (ReDoS).\n\nFor Debian 8 'Jessie', this problem has been fixed in version 1.4-1+deb8u1.\n\nWe recommend that you upgrade your python-bleach packages.\n\nNOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2020-04-02T00:00:00", "type": "nessus", "title": "Debian DLA-2167-1 : python-bleach security update", "bulletinFamily": "scanner", "cvss2": {}, "cvelist": ["CVE-2020-6817"], "modified": "2021-01-11T00:00:00", "cpe": ["p-cpe:/a:debian:debian_linux:python-bleach", "p-cpe:/a:debian:debian_linux:python-bleach-doc", "p-cpe:/a:debian:debian_linux:python3-bleach", "cpe:/o:debian:debian_linux:8.0"], "id": "DEBIAN_DLA-2167.NASL", "href": "https://www.tenable.com/plugins/nessus/135102", "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 Debian Security Advisory DLA-2167-1. The text\n# itself is copyright (C) Software in the Public Interest, Inc.\n#\n\ninclude('deprecated_nasl_level.inc');\ninclude('compat.inc');\n\nif (description)\n{\n script_id(135102);\n script_version(\"1.3\");\n script_set_attribute(attribute:\"plugin_modification_date\", value:\"2021/01/11\");\n\n script_cve_id(\"CVE-2020-6817\");\n\n script_name(english:\"Debian DLA-2167-1 : python-bleach security update\");\n script_summary(english:\"Checks dpkg output for the updated packages.\");\n\n script_set_attribute(\n attribute:\"synopsis\", \n value:\"The remote Debian host is missing a security update.\"\n );\n script_set_attribute(\n attribute:\"description\", \n value:\n\"A vulnerability was discovered in python-bleach, a whitelist-based\nHTML-sanitizing library. Calls to bleach.clean with an allowed tag\nwith an allowed style attribute are vulnerable to a regular expression\ndenial of service (ReDoS).\n\nFor Debian 8 'Jessie', this problem has been fixed in version\n1.4-1+deb8u1.\n\nWe recommend that you upgrade your python-bleach packages.\n\nNOTE: Tenable Network Security has extracted the preceding description\nblock directly from the DLA security advisory. Tenable has attempted\nto automatically clean and format it as much as possible without\nintroducing additional issues.\"\n );\n script_set_attribute(\n attribute:\"see_also\",\n value:\"https://lists.debian.org/debian-lts-announce/2020/04/msg00001.html\"\n );\n script_set_attribute(\n attribute:\"see_also\",\n value:\"https://packages.debian.org/source/jessie/python-bleach\"\n );\n script_set_attribute(attribute:\"solution\", value:\"Upgrade the affected packages.\");\n script_set_attribute(attribute:\"risk_factor\", value:\"High\");\n\n script_set_attribute(attribute:\"plugin_type\", value:\"local\");\n script_set_attribute(attribute:\"cpe\", value:\"p-cpe:/a:debian:debian_linux:python-bleach\");\n script_set_attribute(attribute:\"cpe\", value:\"p-cpe:/a:debian:debian_linux:python-bleach-doc\");\n script_set_attribute(attribute:\"cpe\", value:\"p-cpe:/a:debian:debian_linux:python3-bleach\");\n script_set_attribute(attribute:\"cpe\", value:\"cpe:/o:debian:debian_linux:8.0\");\n\n script_set_attribute(attribute:\"patch_publication_date\", value:\"2020/04/01\");\n script_set_attribute(attribute:\"plugin_publication_date\", value:\"2020/04/02\");\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) 2020-2021 and is owned by Tenable, Inc. or an Affiliate thereof.\");\n script_family(english:\"Debian Local Security Checks\");\n\n script_dependencies(\"ssh_get_info.nasl\");\n script_require_keys(\"Host/local_checks_enabled\", \"Host/Debian/release\", \"Host/Debian/dpkg-l\");\n\n exit(0);\n}\n\n\ninclude(\"audit.inc\");\ninclude(\"debian_package.inc\");\n\n\nif (!get_kb_item(\"Host/local_checks_enabled\")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);\nif (!get_kb_item(\"Host/Debian/release\")) audit(AUDIT_OS_NOT, \"Debian\");\nif (!get_kb_item(\"Host/Debian/dpkg-l\")) audit(AUDIT_PACKAGE_LIST_MISSING);\n\n\nflag = 0;\nif (deb_check(release:\"8.0\", prefix:\"python-bleach\", reference:\"1.4-1+deb8u1\")) flag++;\nif (deb_check(release:\"8.0\", prefix:\"python-bleach-doc\", reference:\"1.4-1+deb8u1\")) flag++;\nif (deb_check(release:\"8.0\", prefix:\"python3-bleach\", reference:\"1.4-1+deb8u1\")) flag++;\n\nif (flag)\n{\n if (report_verbosity > 0) security_hole(port:0, extra:deb_report_get());\n else security_hole(0);\n exit(0);\n}\nelse audit(AUDIT_HOST_NOT, \"affected\");\n", "cvss": {"score": 0.0, "vector": "NONE"}}, {"lastseen": "2023-03-01T14:21:22", "description": "Update to version 3.1.4, an upstream security release. See the [upstream changelog](https://github.com/mozilla/bleach/blob/v3.1.4/CHANGES) for details.\n\nNote that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.\nTenable has attempted to automatically clean and format it as much as possible without introducing additional issues.", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2020-04-30T00:00:00", "type": "nessus", "title": "Fedora 30 : python-bleach (2020-827b677e15)", "bulletinFamily": "scanner", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "NONE", "availabilityImpact": "NONE", "integrityImpact": "PARTIAL", "baseScore": 4.3, "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-6802", "CVE-2020-6817"], "modified": "2020-05-04T00:00:00", "cpe": ["p-cpe:/a:fedoraproject:fedora:python-bleach", "cpe:/o:fedoraproject:fedora:30"], "id": "FEDORA_2020-827B677E15.NASL", "href": "https://www.tenable.com/plugins/nessus/136153", "sourceData": "#\n# (C) Tenable Network Security, Inc.\n#\n# The descriptive text and package checks in this plugin were \n# extracted from Fedora Security Advisory FEDORA-2020-827b677e15.\n#\n\ninclude(\"compat.inc\");\n\nif (description)\n{\n script_id(136153);\n script_version(\"1.2\");\n script_set_attribute(attribute:\"plugin_modification_date\", value:\"2020/05/04\");\n\n script_cve_id(\"CVE-2020-6802\", \"CVE-2020-6817\");\n script_xref(name:\"FEDORA\", value:\"2020-827b677e15\");\n\n script_name(english:\"Fedora 30 : python-bleach (2020-827b677e15)\");\n script_summary(english:\"Checks rpm output for the updated package.\");\n\n script_set_attribute(\n attribute:\"synopsis\", \n value:\"The remote Fedora host is missing a security update.\"\n );\n script_set_attribute(\n attribute:\"description\", \n value:\n\"Update to version 3.1.4, an upstream security release. See the\n[upstream\nchangelog](https://github.com/mozilla/bleach/blob/v3.1.4/CHANGES) for\ndetails.\n\nNote that Tenable Network Security has extracted the preceding\ndescription block directly from the Fedora update system website.\nTenable has attempted to automatically clean and format it as much as\npossible without introducing additional issues.\"\n );\n script_set_attribute(\n attribute:\"see_also\",\n value:\"https://bodhi.fedoraproject.org/updates/FEDORA-2020-827b677e15\"\n );\n script_set_attribute(\n attribute:\"see_also\",\n value:\"https://github.com/mozilla/bleach/blob/v3.1.4/CHANGES\"\n );\n script_set_attribute(\n attribute:\"solution\", \n value:\"Update the affected python-bleach package.\"\n );\n script_set_cvss_base_vector(\"CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N\");\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:R/S:C/C:L/I:L/A:N\");\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:\"plugin_type\", value:\"local\");\n script_set_attribute(attribute:\"cpe\", value:\"p-cpe:/a:fedoraproject:fedora:python-bleach\");\n script_set_attribute(attribute:\"cpe\", value:\"cpe:/o:fedoraproject:fedora:30\");\n\n script_set_attribute(attribute:\"vuln_publication_date\", value:\"2020/03/24\");\n script_set_attribute(attribute:\"patch_publication_date\", value:\"2020/04/30\");\n script_set_attribute(attribute:\"plugin_publication_date\", value:\"2020/04/30\");\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) 2020 and is owned by Tenable, Inc. or an Affiliate thereof.\");\n script_family(english:\"Fedora Local Security Checks\");\n\n script_dependencies(\"ssh_get_info.nasl\");\n script_require_keys(\"Host/local_checks_enabled\", \"Host/RedHat/release\", \"Host/RedHat/rpm-list\");\n\n exit(0);\n}\n\n\ninclude(\"audit.inc\");\ninclude(\"global_settings.inc\");\ninclude(\"rpm.inc\");\n\n\nif (!get_kb_item(\"Host/local_checks_enabled\")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);\nrelease = get_kb_item(\"Host/RedHat/release\");\nif (isnull(release) || \"Fedora\" >!< release) audit(AUDIT_OS_NOT, \"Fedora\");\nos_ver = pregmatch(pattern: \"Fedora.*release ([0-9]+)\", string:release);\nif (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, \"Fedora\");\nos_ver = os_ver[1];\nif (! preg(pattern:\"^30([^0-9]|$)\", string:os_ver)) audit(AUDIT_OS_NOT, \"Fedora 30\", \"Fedora \" + os_ver);\n\nif (!get_kb_item(\"Host/RedHat/rpm-list\")) audit(AUDIT_PACKAGE_LIST_MISSING);\n\n\ncpu = get_kb_item(\"Host/cpu\");\nif (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);\nif (\"x86_64\" >!< cpu && cpu !~ \"^i[3-6]86$\") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, \"Fedora\", cpu);\n\n\nflag = 0;\nif (rpm_check(release:\"FC30\", reference:\"python-bleach-3.1.4-2.fc30\")) flag++;\n\n\nif (flag)\n{\n security_report_v4(\n port : 0,\n severity : SECURITY_WARNING,\n extra : rpm_report_get()\n );\n exit(0);\n}\nelse\n{\n tested = pkg_tests_get();\n if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);\n else audit(AUDIT_PACKAGE_NOT_INSTALLED, \"python-bleach\");\n}\n", "cvss": {"score": 4.3, "vector": "AV:N/AC:M/Au:N/C:N/I:P/A:N"}}, {"lastseen": "2023-03-01T14:22:49", "description": "Update to version 3.1.4, an upstream security release. See the [upstream changelog](https://github.com/mozilla/bleach/blob/v3.1.4/CHANGES) for details.\n\nNote that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.\nTenable has attempted to automatically clean and format it as much as possible without introducing additional issues.", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2020-04-30T00:00:00", "type": "nessus", "title": "Fedora 31 : python-bleach (2020-e1fa96c506)", "bulletinFamily": "scanner", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "NONE", "availabilityImpact": "NONE", "integrityImpact": "PARTIAL", "baseScore": 4.3, "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-6802", "CVE-2020-6817"], "modified": "2020-05-04T00:00:00", "cpe": ["p-cpe:/a:fedoraproject:fedora:python-bleach", "cpe:/o:fedoraproject:fedora:31"], "id": "FEDORA_2020-E1FA96C506.NASL", "href": "https://www.tenable.com/plugins/nessus/136156", "sourceData": "#\n# (C) Tenable Network Security, Inc.\n#\n# The descriptive text and package checks in this plugin were \n# extracted from Fedora Security Advisory FEDORA-2020-e1fa96c506.\n#\n\ninclude(\"compat.inc\");\n\nif (description)\n{\n script_id(136156);\n script_version(\"1.2\");\n script_set_attribute(attribute:\"plugin_modification_date\", value:\"2020/05/04\");\n\n script_cve_id(\"CVE-2020-6802\", \"CVE-2020-6817\");\n script_xref(name:\"FEDORA\", value:\"2020-e1fa96c506\");\n\n script_name(english:\"Fedora 31 : python-bleach (2020-e1fa96c506)\");\n script_summary(english:\"Checks rpm output for the updated package.\");\n\n script_set_attribute(\n attribute:\"synopsis\", \n value:\"The remote Fedora host is missing a security update.\"\n );\n script_set_attribute(\n attribute:\"description\", \n value:\n\"Update to version 3.1.4, an upstream security release. See the\n[upstream\nchangelog](https://github.com/mozilla/bleach/blob/v3.1.4/CHANGES) for\ndetails.\n\nNote that Tenable Network Security has extracted the preceding\ndescription block directly from the Fedora update system website.\nTenable has attempted to automatically clean and format it as much as\npossible without introducing additional issues.\"\n );\n script_set_attribute(\n attribute:\"see_also\",\n value:\"https://bodhi.fedoraproject.org/updates/FEDORA-2020-e1fa96c506\"\n );\n script_set_attribute(\n attribute:\"see_also\",\n value:\"https://github.com/mozilla/bleach/blob/v3.1.4/CHANGES\"\n );\n script_set_attribute(\n attribute:\"solution\", \n value:\"Update the affected python-bleach package.\"\n );\n script_set_cvss_base_vector(\"CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N\");\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:R/S:C/C:L/I:L/A:N\");\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:\"plugin_type\", value:\"local\");\n script_set_attribute(attribute:\"cpe\", value:\"p-cpe:/a:fedoraproject:fedora:python-bleach\");\n script_set_attribute(attribute:\"cpe\", value:\"cpe:/o:fedoraproject:fedora:31\");\n\n script_set_attribute(attribute:\"vuln_publication_date\", value:\"2020/03/24\");\n script_set_attribute(attribute:\"patch_publication_date\", value:\"2020/04/30\");\n script_set_attribute(attribute:\"plugin_publication_date\", value:\"2020/04/30\");\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) 2020 and is owned by Tenable, Inc. or an Affiliate thereof.\");\n script_family(english:\"Fedora Local Security Checks\");\n\n script_dependencies(\"ssh_get_info.nasl\");\n script_require_keys(\"Host/local_checks_enabled\", \"Host/RedHat/release\", \"Host/RedHat/rpm-list\");\n\n exit(0);\n}\n\n\ninclude(\"audit.inc\");\ninclude(\"global_settings.inc\");\ninclude(\"rpm.inc\");\n\n\nif (!get_kb_item(\"Host/local_checks_enabled\")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);\nrelease = get_kb_item(\"Host/RedHat/release\");\nif (isnull(release) || \"Fedora\" >!< release) audit(AUDIT_OS_NOT, \"Fedora\");\nos_ver = pregmatch(pattern: \"Fedora.*release ([0-9]+)\", string:release);\nif (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, \"Fedora\");\nos_ver = os_ver[1];\nif (! preg(pattern:\"^31([^0-9]|$)\", string:os_ver)) audit(AUDIT_OS_NOT, \"Fedora 31\", \"Fedora \" + os_ver);\n\nif (!get_kb_item(\"Host/RedHat/rpm-list\")) audit(AUDIT_PACKAGE_LIST_MISSING);\n\n\ncpu = get_kb_item(\"Host/cpu\");\nif (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);\nif (\"x86_64\" >!< cpu && cpu !~ \"^i[3-6]86$\") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, \"Fedora\", cpu);\n\n\nflag = 0;\nif (rpm_check(release:\"FC31\", reference:\"python-bleach-3.1.4-2.fc31\")) flag++;\n\n\nif (flag)\n{\n security_report_v4(\n port : 0,\n severity : SECURITY_WARNING,\n extra : rpm_report_get()\n );\n exit(0);\n}\nelse\n{\n tested = pkg_tests_get();\n if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);\n else audit(AUDIT_PACKAGE_NOT_INSTALLED, \"python-bleach\");\n}\n", "cvss": {"score": 4.3, "vector": "AV:N/AC:M/Au:N/C:N/I:P/A:N"}}, {"lastseen": "2023-03-01T15:01:39", "description": "This update for python-bleach fixes the following issues :\n\n - CVE-2021-23980: Fixed mutation XSS on bleach.clean with specific combinations of allowed tags (boo#1184547)\n\nUpdate to 3.1.5 :\n\n - replace missing ``setuptools`` dependency with ``packaging``. Thank you Benjamin Peterson.\n\nUpdate to 3.1.4 (boo#1168280, CVE-2020-6817) :\n\n - ``bleach.clean`` behavior parsing style attributes could result in a regular expression denial of service (ReDoS). Calls to ``bleach.clean`` with an allowed tag with an allowed ``style`` attribute were vulnerable to ReDoS. For example, ``bleach.clean(..., attributes=('a':\n ['style']))``.\n\n - Style attributes with dashes, or single or double quoted values are cleaned instead of passed through.\n\nupdate to 3.1.3 (boo#1167379, CVE-2020-6816) :\n\n - Add relative link to code of conduct. (#442)\n\n - Drop deprecated 'setup.py test' support. (#507)\n\n - Fix typo: curren -> current in tests/test_clean.py (#504)\n\n - Test on PyPy 7\n\n - Drop test support for end of life Python 3.4\n\n - ``bleach.clean`` behavior parsing embedded MathML and SVG content with RCDATA tags did not match browser behavior and could result in a mutation XSS. Calls to ``bleach.clean`` with ``strip=False`` and ``math`` or ``svg`` tags and one or more of the RCDATA tags ``script``, ``noscript``, ``style``, ``noframes``, ``iframe``, ``noembed``, or ``xmp`` in the allowed tags whitelist were vulnerable to a mutation XSS.", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2021-04-15T00:00:00", "type": "nessus", "title": "openSUSE Security Update : python-bleach (openSUSE-2021-552)", "bulletinFamily": "scanner", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "NONE", "availabilityImpact": "NONE", "integrityImpact": "PARTIAL", "baseScore": 4.3, "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-6816", "CVE-2020-6817", "CVE-2021-23980"], "modified": "2021-04-19T00:00:00", "cpe": ["p-cpe:/a:novell:opensuse:python2-bleach", "p-cpe:/a:novell:opensuse:python3-bleach", "cpe:/o:novell:opensuse:15.2"], "id": "OPENSUSE-2021-552.NASL", "href": "https://www.tenable.com/plugins/nessus/148606", "sourceData": "#\n# (C) Tenable Network Security, Inc.\n#\n# The descriptive text and package checks in this plugin were\n# extracted from openSUSE Security Update openSUSE-2021-552.\n#\n# The text description of this plugin is (C) SUSE LLC.\n#\n\ninclude(\"compat.inc\");\n\nif (description)\n{\n script_id(148606);\n script_version(\"1.2\");\n script_set_attribute(attribute:\"plugin_modification_date\", value:\"2021/04/19\");\n\n script_cve_id(\"CVE-2020-6816\", \"CVE-2020-6817\", \"CVE-2021-23980\");\n\n script_name(english:\"openSUSE Security Update : python-bleach (openSUSE-2021-552)\");\n script_summary(english:\"Check for the openSUSE-2021-552 patch\");\n\n script_set_attribute(\n attribute:\"synopsis\",\n value:\"The remote openSUSE host is missing a security update.\"\n );\n script_set_attribute(\n attribute:\"description\",\n value:\n\"This update for python-bleach fixes the following issues :\n\n - CVE-2021-23980: Fixed mutation XSS on bleach.clean with\n specific combinations of allowed tags (boo#1184547)\n\nUpdate to 3.1.5 :\n\n - replace missing ``setuptools`` dependency with\n ``packaging``. Thank you Benjamin Peterson.\n\nUpdate to 3.1.4 (boo#1168280, CVE-2020-6817) :\n\n - ``bleach.clean`` behavior parsing style attributes could\n result in a regular expression denial of service\n (ReDoS). Calls to ``bleach.clean`` with an allowed tag\n with an allowed ``style`` attribute were vulnerable to\n ReDoS. For example, ``bleach.clean(..., attributes=('a':\n ['style']))``.\n\n - Style attributes with dashes, or single or double quoted\n values are cleaned instead of passed through.\n\nupdate to 3.1.3 (boo#1167379, CVE-2020-6816) :\n\n - Add relative link to code of conduct. (#442)\n\n - Drop deprecated 'setup.py test' support. (#507)\n\n - Fix typo: curren -> current in tests/test_clean.py\n (#504)\n\n - Test on PyPy 7\n\n - Drop test support for end of life Python 3.4\n\n - ``bleach.clean`` behavior parsing embedded MathML and\n SVG content with RCDATA tags did not match browser\n behavior and could result in a mutation XSS. Calls to\n ``bleach.clean`` with ``strip=False`` and ``math`` or\n ``svg`` tags and one or more of the RCDATA tags\n ``script``, ``noscript``, ``style``, ``noframes``,\n ``iframe``, ``noembed``, or ``xmp`` in the allowed tags\n whitelist were vulnerable to a mutation XSS.\"\n );\n script_set_attribute(\n attribute:\"see_also\",\n value:\"https://bugzilla.opensuse.org/show_bug.cgi?id=1167379\"\n );\n script_set_attribute(\n attribute:\"see_also\",\n value:\"https://bugzilla.opensuse.org/show_bug.cgi?id=1168280\"\n );\n script_set_attribute(\n attribute:\"see_also\",\n value:\"https://bugzilla.opensuse.org/show_bug.cgi?id=1184547\"\n );\n script_set_attribute(\n attribute:\"solution\",\n value:\"Update the affected python-bleach packages.\"\n );\n script_set_cvss_base_vector(\"CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N\");\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:R/S:C/C:L/I:L/A:N\");\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 script_set_attribute(attribute:\"exploit_available\", value:\"false\");\n\n script_set_attribute(attribute:\"plugin_type\", value:\"local\");\n script_set_attribute(attribute:\"cpe\", value:\"p-cpe:/a:novell:opensuse:python2-bleach\");\n script_set_attribute(attribute:\"cpe\", value:\"p-cpe:/a:novell:opensuse:python3-bleach\");\n script_set_attribute(attribute:\"cpe\", value:\"cpe:/o:novell:opensuse:15.2\");\n\n script_set_attribute(attribute:\"vuln_publication_date\", value:\"2020/03/24\");\n script_set_attribute(attribute:\"patch_publication_date\", value:\"2021/04/14\");\n script_set_attribute(attribute:\"plugin_publication_date\", value:\"2021/04/15\");\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) 2021 and is owned by Tenable, Inc. or an Affiliate thereof.\");\n script_family(english:\"SuSE Local Security Checks\");\n\n script_dependencies(\"ssh_get_info.nasl\");\n script_require_keys(\"Host/local_checks_enabled\", \"Host/SuSE/release\", \"Host/SuSE/rpm-list\");\n\n exit(0);\n}\n\n\ninclude(\"audit.inc\");\ninclude(\"global_settings.inc\");\ninclude(\"rpm.inc\");\n\nif (!get_kb_item(\"Host/local_checks_enabled\")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);\nrelease = get_kb_item(\"Host/SuSE/release\");\nif (isnull(release) || release =~ \"^(SLED|SLES)\") audit(AUDIT_OS_NOT, \"openSUSE\");\nif (release !~ \"^(SUSE15\\.2)$\") audit(AUDIT_OS_RELEASE_NOT, \"openSUSE\", \"15.2\", release);\nif (!get_kb_item(\"Host/SuSE/rpm-list\")) audit(AUDIT_PACKAGE_LIST_MISSING);\n\n\n\nflag = 0;\n\nif ( rpm_check(release:\"SUSE15.2\", reference:\"python2-bleach-3.1.5-lp152.2.3.1\") ) flag++;\nif ( rpm_check(release:\"SUSE15.2\", reference:\"python3-bleach-3.1.5-lp152.2.3.1\") ) flag++;\n\nif (flag)\n{\n if (report_verbosity > 0) security_warning(port:0, extra:rpm_report_get());\n else security_warning(0);\n exit(0);\n}\nelse\n{\n tested = pkg_tests_get();\n if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);\n else audit(AUDIT_PACKAGE_NOT_INSTALLED, \"python2-bleach / python3-bleach\");\n}\n", "cvss": {"score": 4.3, "vector": "AV:N/AC:M/Au:N/C:N/I:P/A:N"}}], "openvas": [{"lastseen": "2020-04-03T17:12:14", "description": "The remote host is missing an update for the ", "cvss3": {}, "published": "2020-04-02T00:00:00", "type": "openvas", "title": "Debian LTS: Security Advisory for python-bleach (DLA-2167-1)", "bulletinFamily": "scanner", "cvss2": {}, "cvelist": ["CVE-2020-6817"], "modified": "2020-04-02T00:00:00", "id": "OPENVAS:1361412562310892167", "href": "http://plugins.openvas.org/nasl.php?oid=1361412562310892167", "sourceData": "# Copyright (C) 2020 Greenbone Networks GmbH\n# Text descriptions are largely excerpted from the referenced\n# advisory, and are Copyright (C) the respective author(s)\n#\n# SPDX-License-Identifier: GPL-2.0-or-later\n#\n# This program is free software; you can redistribute it and/or\n# modify it under the terms of the GNU General Public License\n# as published by the Free Software Foundation; either version 2\n# of the License, or (at your option) any later version.\n#\n# This program is distributed in the hope that it will be useful,\n# but WITHOUT ANY WARRANTY; without even the implied warranty of\n# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n# GNU General Public License for more details.\n#\n# You should have received a copy of the GNU General Public License\n# along with this program; if not, write to the Free Software\n# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.\n\nif(description)\n{\n script_oid(\"1.3.6.1.4.1.25623.1.0.892167\");\n script_version(\"2020-04-02T03:00:06+0000\");\n script_cve_id(\"CVE-2020-6817\");\n script_tag(name:\"cvss_base\", value:\"5.0\");\n script_tag(name:\"cvss_base_vector\", value:\"AV:N/AC:L/Au:N/C:P/I:N/A:N\");\n script_tag(name:\"last_modification\", value:\"2020-04-02 03:00:06 +0000 (Thu, 02 Apr 2020)\");\n script_tag(name:\"creation_date\", value:\"2020-04-02 03:00:06 +0000 (Thu, 02 Apr 2020)\");\n script_name(\"Debian LTS: Security Advisory for python-bleach (DLA-2167-1)\");\n script_category(ACT_GATHER_INFO);\n script_copyright(\"Copyright (C) 2020 Greenbone Networks GmbH\");\n script_family(\"Debian Local Security Checks\");\n script_dependencies(\"gather-package-list.nasl\");\n script_mandatory_keys(\"ssh/login/debian_linux\", \"ssh/login/packages\", re:\"ssh/login/release=DEB8\");\n\n script_xref(name:\"URL\", value:\"https://lists.debian.org/debian-lts-announce/2020/04/msg00001.html\");\n script_xref(name:\"URL\", value:\"https://security-tracker.debian.org/tracker/DLA-2167-1\");\n script_xref(name:\"URL\", value:\"https://bugs.debian.org/955388\");\n\n script_tag(name:\"summary\", value:\"The remote host is missing an update for the 'python-bleach'\n package(s) announced via the DLA-2167-1 advisory.\");\n\n script_tag(name:\"vuldetect\", value:\"Checks if a vulnerable package version is present on the target host.\");\n\n script_tag(name:\"insight\", value:\"A vulnerability was discovered in python-bleach, a whitelist-based\nHTML-sanitizing library. Calls to bleach.clean with an allowed tag with\nan allowed style attribute are vulnerable to a regular expression denial\nof service (ReDoS).\");\n\n script_tag(name:\"affected\", value:\"'python-bleach' package(s) on Debian Linux.\");\n\n script_tag(name:\"solution\", value:\"For Debian 8 'Jessie', this problem has been fixed in version\n1.4-1+deb8u1.\n\nWe recommend that you upgrade your python-bleach packages.\");\n\n script_tag(name:\"solution_type\", value:\"VendorFix\");\n script_tag(name:\"qod_type\", value:\"package\");\n\n exit(0);\n}\n\ninclude(\"revisions-lib.inc\");\ninclude(\"pkg-lib-deb.inc\");\n\nres = \"\";\nreport = \"\";\nif(!isnull(res = isdpkgvuln(pkg:\"python-bleach\", ver:\"1.4-1+deb8u1\", rls:\"DEB8\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"python-bleach-doc\", ver:\"1.4-1+deb8u1\", rls:\"DEB8\"))) {\n report += res;\n}\nif(!isnull(res = isdpkgvuln(pkg:\"python3-bleach\", ver:\"1.4-1+deb8u1\", rls:\"DEB8\"))) {\n report += res;\n}\n\nif(report != \"\") {\n security_message(data:report);\n} else if(__pkg_match) {\n exit(99);\n}\n\nexit(0);\n", "cvss": {"score": 0.0, "vector": "NONE"}}, {"lastseen": "2020-05-08T16:55:15", "description": "The remote host is missing an update for the ", "cvss3": {}, "published": "2020-05-02T00:00:00", "type": "openvas", "title": "Fedora: Security Advisory for python-bleach (FEDORA-2020-e1fa96c506)", "bulletinFamily": "scanner", "cvss2": {}, "cvelist": ["CVE-2020-6802", "CVE-2020-6817"], "modified": "2020-05-07T00:00:00", "id": "OPENVAS:1361412562310877776", "href": "http://plugins.openvas.org/nasl.php?oid=1361412562310877776", "sourceData": "# Copyright (C) 2020 Greenbone Networks GmbH\n# Some text descriptions might be excerpted from (a) referenced\n# source(s), and are Copyright (C) by the respective right holder(s).\n#\n# SPDX-License-Identifier: GPL-2.0-or-later\n#\n# This program is free software; you can redistribute it and/or\n# modify it under the terms of the GNU General Public License\n# as published by the Free Software Foundation; either version 2\n# of the License, or (at your option) any later version.\n#\n# This program is distributed in the hope that it will be useful,\n# but WITHOUT ANY WARRANTY; without even the implied warranty of\n# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n# GNU General Public License for more details.\n#\n# You should have received a copy of the GNU General Public License\n# along with this program; if not, write to the Free Software\n# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.\n\nif(description)\n{\n script_oid(\"1.3.6.1.4.1.25623.1.0.877776\");\n script_version(\"2020-05-07T07:41:43+0000\");\n script_cve_id(\"CVE-2020-6817\", \"CVE-2020-6802\");\n script_tag(name:\"cvss_base\", value:\"4.3\");\n script_tag(name:\"cvss_base_vector\", value:\"AV:N/AC:M/Au:N/C:N/I:P/A:N\");\n script_tag(name:\"last_modification\", value:\"2020-05-07 07:41:43 +0000 (Thu, 07 May 2020)\");\n script_tag(name:\"creation_date\", value:\"2020-05-02 03:20:57 +0000 (Sat, 02 May 2020)\");\n script_name(\"Fedora: Security Advisory for python-bleach (FEDORA-2020-e1fa96c506)\");\n script_category(ACT_GATHER_INFO);\n script_copyright(\"Copyright (C) 2020 Greenbone Networks GmbH\");\n script_family(\"Fedora Local Security Checks\");\n script_dependencies(\"gather-package-list.nasl\");\n script_mandatory_keys(\"ssh/login/fedora\", \"ssh/login/rpms\", re:\"ssh/login/release=FC31\");\n\n script_xref(name:\"FEDORA\", value:\"2020-e1fa96c506\");\n script_xref(name:\"URL\", value:\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/72R4VFFHDRSQMNT7IZU3X2755ZP4HGNI\");\n\n script_tag(name:\"summary\", value:\"The remote host is missing an update for the 'python-bleach'\n package(s) announced via the FEDORA-2020-e1fa96c506 advisory.\");\n\n script_tag(name:\"vuldetect\", value:\"Checks if a vulnerable package version is present on the target host.\");\n\n script_tag(name:\"insight\", value:\"Bleach is an HTML sanitizing library that escapes or strips markup and\nattributes based on a white list.\");\n\n script_tag(name:\"affected\", value:\"'python-bleach' package(s) on Fedora 31.\");\n\n script_tag(name:\"solution\", value:\"Please install the updated package(s).\");\n\n script_tag(name:\"solution_type\", value:\"VendorFix\");\n script_tag(name:\"qod_type\", value:\"package\");\n\n exit(0);\n}\n\ninclude(\"revisions-lib.inc\");\ninclude(\"pkg-lib-rpm.inc\");\n\nrelease = rpm_get_ssh_release();\nif(!release)\n exit(0);\n\nres = \"\";\nreport = \"\";\n\nif(release == \"FC31\") {\n\n if(!isnull(res = isrpmvuln(pkg:\"python-bleach\", rpm:\"python-bleach~3.1.4~2.fc31\", rls:\"FC31\"))) {\n report += res;\n }\n\n if(report != \"\") {\n security_message(data:report);\n } else if(__pkg_match) {\n exit(99);\n }\n exit(0);\n}\n\nexit(0);", "cvss": {"score": 4.3, "vector": "AV:N/AC:M/Au:N/C:N/I:P/A:N"}}, {"lastseen": "2020-05-08T16:55:13", "description": "The remote host is missing an update for the ", "cvss3": {}, "published": "2020-05-02T00:00:00", "type": "openvas", "title": "Fedora: Security Advisory for python-bleach (FEDORA-2020-e9c8bdd1e3)", "bulletinFamily": "scanner", "cvss2": {}, "cvelist": ["CVE-2020-6802", "CVE-2020-6817"], "modified": "2020-05-07T00:00:00", "id": "OPENVAS:1361412562310877774", "href": "http://plugins.openvas.org/nasl.php?oid=1361412562310877774", "sourceData": "# Copyright (C) 2020 Greenbone Networks GmbH\n# Some text descriptions might be excerpted from (a) referenced\n# source(s), and are Copyright (C) by the respective right holder(s).\n#\n# SPDX-License-Identifier: GPL-2.0-or-later\n#\n# This program is free software; you can redistribute it and/or\n# modify it under the terms of the GNU General Public License\n# as published by the Free Software Foundation; either version 2\n# of the License, or (at your option) any later version.\n#\n# This program is distributed in the hope that it will be useful,\n# but WITHOUT ANY WARRANTY; without even the implied warranty of\n# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n# GNU General Public License for more details.\n#\n# You should have received a copy of the GNU General Public License\n# along with this program; if not, write to the Free Software\n# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.\n\nif(description)\n{\n script_oid(\"1.3.6.1.4.1.25623.1.0.877774\");\n script_version(\"2020-05-07T07:41:43+0000\");\n script_cve_id(\"CVE-2020-6817\", \"CVE-2020-6802\");\n script_tag(name:\"cvss_base\", value:\"4.3\");\n script_tag(name:\"cvss_base_vector\", value:\"AV:N/AC:M/Au:N/C:N/I:P/A:N\");\n script_tag(name:\"last_modification\", value:\"2020-05-07 07:41:43 +0000 (Thu, 07 May 2020)\");\n script_tag(name:\"creation_date\", value:\"2020-05-02 03:20:52 +0000 (Sat, 02 May 2020)\");\n script_name(\"Fedora: Security Advisory for python-bleach (FEDORA-2020-e9c8bdd1e3)\");\n script_category(ACT_GATHER_INFO);\n script_copyright(\"Copyright (C) 2020 Greenbone Networks GmbH\");\n script_family(\"Fedora Local Security Checks\");\n script_dependencies(\"gather-package-list.nasl\");\n script_mandatory_keys(\"ssh/login/fedora\", \"ssh/login/rpms\", re:\"ssh/login/release=FC32\");\n\n script_xref(name:\"FEDORA\", value:\"2020-e9c8bdd1e3\");\n script_xref(name:\"URL\", value:\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YTULPQB7HVPPYWEYVNHJGDTSPVIDHIZX\");\n\n script_tag(name:\"summary\", value:\"The remote host is missing an update for the 'python-bleach'\n package(s) announced via the FEDORA-2020-e9c8bdd1e3 advisory.\");\n\n script_tag(name:\"vuldetect\", value:\"Checks if a vulnerable package version is present on the target host.\");\n\n script_tag(name:\"insight\", value:\"Bleach is an HTML sanitizing library that escapes or strips markup and\nattributes based on a white list.\");\n\n script_tag(name:\"affected\", value:\"'python-bleach' package(s) on Fedora 32.\");\n\n script_tag(name:\"solution\", value:\"Please install the updated package(s).\");\n\n script_tag(name:\"solution_type\", value:\"VendorFix\");\n script_tag(name:\"qod_type\", value:\"package\");\n\n exit(0);\n}\n\ninclude(\"revisions-lib.inc\");\ninclude(\"pkg-lib-rpm.inc\");\n\nrelease = rpm_get_ssh_release();\nif(!release)\n exit(0);\n\nres = \"\";\nreport = \"\";\n\nif(release == \"FC32\") {\n\n if(!isnull(res = isrpmvuln(pkg:\"python-bleach\", rpm:\"python-bleach~3.1.4~2.fc32\", rls:\"FC32\"))) {\n report += res;\n }\n\n if(report != \"\") {\n security_message(data:report);\n } else if(__pkg_match) {\n exit(99);\n }\n exit(0);\n}\n\nexit(0);", "cvss": {"score": 4.3, "vector": "AV:N/AC:M/Au:N/C:N/I:P/A:N"}}, {"lastseen": "2020-05-06T00:58:42", "description": "The remote host is missing an update for the ", "cvss3": {}, "published": "2020-04-30T00:00:00", "type": "openvas", "title": "Fedora: Security Advisory for python-bleach (FEDORA-2020-827b677e15)", "bulletinFamily": "scanner", "cvss2": {}, "cvelist": ["CVE-2020-6802", "CVE-2020-6817"], "modified": "2020-04-30T00:00:00", "id": "OPENVAS:1361412562310877751", "href": "http://plugins.openvas.org/nasl.php?oid=1361412562310877751", "sourceData": "# Copyright (C) 2020 Greenbone Networks GmbH\n# Some text descriptions might be excerpted from (a) referenced\n# source(s), and are Copyright (C) by the respective right holder(s).\n#\n# SPDX-License-Identifier: GPL-2.0-or-later\n#\n# This program is free software; you can redistribute it and/or\n# modify it under the terms of the GNU General Public License\n# as published by the Free Software Foundation; either version 2\n# of the License, or (at your option) any later version.\n#\n# This program is distributed in the hope that it will be useful,\n# but WITHOUT ANY WARRANTY; without even the implied warranty of\n# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n# GNU General Public License for more details.\n#\n# You should have received a copy of the GNU General Public License\n# along with this program; if not, write to the Free Software\n# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.\n\nif(description)\n{\n script_oid(\"1.3.6.1.4.1.25623.1.0.877751\");\n script_version(\"2020-04-30T08:51:29+0000\");\n script_cve_id(\"CVE-2020-6817\", \"CVE-2020-6802\");\n script_tag(name:\"cvss_base\", value:\"4.3\");\n script_tag(name:\"cvss_base_vector\", value:\"AV:N/AC:M/Au:N/C:N/I:P/A:N\");\n script_tag(name:\"last_modification\", value:\"2020-04-30 08:51:29 +0000 (Thu, 30 Apr 2020)\");\n script_tag(name:\"creation_date\", value:\"2020-04-30 03:15:31 +0000 (Thu, 30 Apr 2020)\");\n script_name(\"Fedora: Security Advisory for python-bleach (FEDORA-2020-827b677e15)\");\n script_category(ACT_GATHER_INFO);\n script_copyright(\"Copyright (C) 2020 Greenbone Networks GmbH\");\n script_family(\"Fedora Local Security Checks\");\n script_dependencies(\"gather-package-list.nasl\");\n script_mandatory_keys(\"ssh/login/fedora\", \"ssh/login/rpms\", re:\"ssh/login/release=FC30\");\n\n script_xref(name:\"FEDORA\", value:\"2020-827b677e15\");\n script_xref(name:\"URL\", value:\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OCNLM2MGQTOLCIVVYS2Z5S7KOQJR5JC4\");\n\n script_tag(name:\"summary\", value:\"The remote host is missing an update for the 'python-bleach'\n package(s) announced via the FEDORA-2020-827b677e15 advisory.\");\n\n script_tag(name:\"vuldetect\", value:\"Checks if a vulnerable package version is present on the target host.\");\n\n script_tag(name:\"insight\", value:\"Bleach is an HTML sanitizing library that escapes or strips markup and\nattributes based on a white list.\");\n\n script_tag(name:\"affected\", value:\"'python-bleach' package(s) on Fedora 30.\");\n\n script_tag(name:\"solution\", value:\"Please install the updated package(s).\");\n\n script_tag(name:\"solution_type\", value:\"VendorFix\");\n script_tag(name:\"qod_type\", value:\"package\");\n\n exit(0);\n}\n\ninclude(\"revisions-lib.inc\");\ninclude(\"pkg-lib-rpm.inc\");\n\nrelease = rpm_get_ssh_release();\nif(!release)\n exit(0);\n\nres = \"\";\nreport = \"\";\n\nif(release == \"FC30\") {\n\n if(!isnull(res = isrpmvuln(pkg:\"python-bleach\", rpm:\"python-bleach~3.1.4~2.fc30\", rls:\"FC30\"))) {\n report += res;\n }\n\n if(report != \"\") {\n security_message(data:report);\n } else if(__pkg_match) {\n exit(99);\n }\n exit(0);\n}\n\nexit(0);\n", "cvss": {"score": 4.3, "vector": "AV:N/AC:M/Au:N/C:N/I:P/A:N"}}], "freebsd": [{"lastseen": "2023-02-28T15:57:21", "description": "\n\nBleach developers reports:\n\nbleach.clean behavior parsing style attributes could result in a\n\t regular expression denial of service (ReDoS).\nCalls to bleach.clean with an allowed tag with an allowed style\n\t attribute are vulnerable to ReDoS. For example, bleach.clean(...,\n\t attributes={'a': ['style']}).\n\n\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2019-03-09T00:00:00", "type": "freebsd", "title": "py-bleach -- regular expression denial-of-service", "bulletinFamily": "unix", "cvss2": {}, "cvelist": ["CVE-2020-6817"], "modified": "2019-03-09T00:00:00", "id": "4C52EC3C-86F3-11EA-B5B4-641C67A117D8", "href": "https://vuxml.freebsd.org/freebsd/4c52ec3c-86f3-11ea-b5b4-641c67a117d8.html", "cvss": {"score": 0.0, "vector": "NONE"}}], "debiancve": [{"lastseen": "2023-02-28T15:36:11", "description": "bleach.clean behavior parsing style attributes could result in a regular expression denial of service (ReDoS). Calls to bleach.clean with an allowed tag with an allowed style attribute are vulnerable to ReDoS. For example, bleach.clean(..., attributes={'a': ['style']}).", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2023-02-16T22:15:00", "type": "debiancve", "title": "CVE-2020-6817", "bulletinFamily": "info", "cvss2": {}, "cvelist": ["CVE-2020-6817"], "modified": "2023-02-16T22:15:00", "id": "DEBIANCVE:CVE-2020-6817", "href": "https://security-tracker.debian.org/tracker/CVE-2020-6817", "cvss": {"score": 0.0, "vector": "NONE"}}], "debian": [{"lastseen": "2023-03-05T21:22:53", "description": "Package : python-bleach\nVersion : 1.4-1+deb8u1\nCVE ID : CVE-2020-6817\nDebian Bug : 955388\n\n\nA vulnerability was discovered in python-bleach, a whitelist-based\nHTML-sanitizing library. Calls to bleach.clean with an allowed tag with\nan allowed style attribute are vulnerable to a regular expression denial\nof service (ReDoS).\n\nFor Debian 8 "Jessie", this problem has been fixed in version\n1.4-1+deb8u1.\n\nWe recommend that you upgrade your python-bleach packages.\n\nFurther information about Debian LTS security advisories, how to apply\nthese updates to your system and frequently asked questions can be\nfound at: https://wiki.debian.org/LTS\nAttachment:\nsignature.asc\nDescription: PGP signature\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2020-04-01T17:53:31", "type": "debian", "title": "[SECURITY] [DLA 2167-1] python-bleach security update", "bulletinFamily": "unix", "cvss2": {}, "cvelist": ["CVE-2020-6817"], "modified": "2020-04-01T17:53:31", "id": "DEBIAN:DLA-2167-1:21AF1", "href": "https://lists.debian.org/debian-lts-announce/2020/04/msg00001.html", "cvss": {"score": 0.0, "vector": "NONE"}}], "osv": [{"lastseen": "2023-03-08T05:46:43", "description": "### Impact\n\n`bleach.clean` behavior parsing style attributes could result in a regular expression denial of service (ReDoS).\n\nCalls to ``bleach.clean`` with an allowed tag with an allowed ``style`` attribute are vulnerable to ReDoS. For example, ``bleach.clean(..., attributes={'a': ['style']})``.\n\n### Patches\n\n3.1.4\n\n### Workarounds\n\n* do not whitelist the style attribute in `bleach.clean` calls\n\n* limit input string length\n\n### References\n\n* https://bugzilla.mozilla.org/show_bug.cgi?id=1623633\n* https://www.regular-expressions.info/redos.html\n* https://blog.r2c.dev/posts/finding-python-redos-bugs-at-scale-using-dlint-and-r2c/\n* https://vulners.com/cve/CVE-2020-6817\n\n### Credits\n\n* Reported by schwag09 of r2c\n\n### For more information\nIf you have any questions or comments about this advisory:\n\n* Open an issue at https://github.com/mozilla/bleach/issues\n* Email us at security@mozilla.org", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2020-03-30T19:45:56", "type": "osv", "title": "regular expression denial-of-service (ReDoS) in Bleach", "bulletinFamily": "software", "cvss2": {}, "cvelist": ["CVE-2020-6817"], "modified": "2023-03-08T05:46:38", "id": "OSV:GHSA-VQHP-CXGC-6WMM", "href": "https://osv.dev/vulnerability/GHSA-vqhp-cxgc-6wmm", "cvss": {"score": 0.0, "vector": "NONE"}}, {"lastseen": "2022-05-11T21:11:08", "description": "In Mozilla Bleach before 3.1.4, `bleach.clean` behavior parsing style attributes could result in a regular expression denial of service (ReDoS).", "cvss3": {}, "published": "2020-03-30T19:45:00", "type": "osv", "title": "PYSEC-2020-340", "bulletinFamily": "software", "cvss2": {}, "cvelist": ["CVE-2020-6817"], "modified": "2022-01-05T02:16:12", "id": "OSV:PYSEC-2020-340", "href": "https://osv.dev/vulnerability/PYSEC-2020-340", "cvss": {"score": 0.0, "vector": "NONE"}}, {"lastseen": "2022-08-05T05:19:03", "description": "\nA vulnerability was discovered in python-bleach, a whitelist-based\nHTML-sanitizing library. Calls to bleach.clean with an allowed tag with\nan allowed style attribute are vulnerable to a regular expression denial\nof service (ReDoS).\n\n\nFor Debian 8 Jessie, this problem has been fixed in version\n1.4-1+deb8u1.\n\n\nWe recommend that you upgrade your python-bleach packages.\n\n\nFurther information about Debian LTS security advisories, how to apply\nthese updates to your system and frequently asked questions can be\nfound at: <https://wiki.debian.org/LTS>\n\n\n", "cvss3": {}, "published": "2020-04-01T00:00:00", "type": "osv", "title": "python-bleach - security update", "bulletinFamily": "software", "cvss2": {}, "cvelist": ["CVE-2020-6817"], "modified": "2022-08-05T05:18:44", "id": "OSV:DLA-2167-1", "href": "https://osv.dev/vulnerability/DLA-2167-1", "cvss": {"score": 0.0, "vector": "NONE"}}], "github": [{"lastseen": "2023-02-28T17:10:09", "description": "### Impact\n\n`bleach.clean` behavior parsing style attributes could result in a regular expression denial of service (ReDoS).\n\nCalls to ``bleach.clean`` with an allowed tag with an allowed ``style`` attribute are vulnerable to ReDoS. For example, ``bleach.clean(..., attributes={'a': ['style']})``.\n\n### Patches\n\n3.1.4\n\n### Workarounds\n\n* do not whitelist the style attribute in `bleach.clean` calls\n\n* limit input string length\n\n### References\n\n* https://bugzilla.mozilla.org/show_bug.cgi?id=1623633\n* https://www.regular-expressions.info/redos.html\n* https://blog.r2c.dev/posts/finding-python-redos-bugs-at-scale-using-dlint-and-r2c/\n* https://vulners.com/cve/CVE-2020-6817\n\n### Credits\n\n* Reported by schwag09 of r2c\n\n### For more information\nIf you have any questions or comments about this advisory:\n\n* Open an issue at https://github.com/mozilla/bleach/issues\n* Email us at security@mozilla.org", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2020-03-30T19:45:56", "type": "github", "title": "regular expression denial-of-service (ReDoS) in Bleach", "bulletinFamily": "software", "cvss2": {}, "cvelist": ["CVE-2020-6817"], "modified": "2023-02-28T16:48:26", "id": "GHSA-VQHP-CXGC-6WMM", "href": "https://github.com/advisories/GHSA-vqhp-cxgc-6wmm", "cvss": {"score": 0.0, "vector": "NONE"}}], "fedora": [{"lastseen": "2023-02-28T15:53:38", "description": "Bleach is an HTML sanitizing library that escapes or strips markup and attributes based on a white list. ", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2020-04-30T02:51:57", "type": "fedora", "title": "[SECURITY] Fedora 30 Update: python-bleach-3.1.4-2.fc30", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "NONE", "availabilityImpact": "NONE", "integrityImpact": "PARTIAL", "baseScore": 4.3, "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-6802", "CVE-2020-6817"], "modified": "2020-04-30T02:51:57", "id": "FEDORA:5D19B6309A15", "href": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/OCNLM2MGQTOLCIVVYS2Z5S7KOQJR5JC4/", "cvss": {"score": 4.3, "vector": "AV:N/AC:M/Au:N/C:N/I:P/A:N"}}, {"lastseen": "2023-02-28T15:53:39", "description": "Bleach is an HTML sanitizing library that escapes or strips markup and attributes based on a white list. ", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2020-04-30T03:44:15", "type": "fedora", "title": "[SECURITY] Fedora 31 Update: python-bleach-3.1.4-2.fc31", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "NONE", "availabilityImpact": "NONE", "integrityImpact": "PARTIAL", "baseScore": 4.3, "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-6802", "CVE-2020-6817"], "modified": "2020-04-30T03:44:15", "id": "FEDORA:23EF7617F380", "href": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/72R4VFFHDRSQMNT7IZU3X2755ZP4HGNI/", "cvss": {"score": 4.3, "vector": "AV:N/AC:M/Au:N/C:N/I:P/A:N"}}, {"lastseen": "2023-02-28T15:53:39", "description": "Bleach is an HTML sanitizing library that escapes or strips markup and attributes based on a white list. ", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2020-05-01T04:07:36", "type": "fedora", "title": "[SECURITY] Fedora 32 Update: python-bleach-3.1.4-2.fc32", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "NONE", "availabilityImpact": "NONE", "integrityImpact": "PARTIAL", "baseScore": 4.3, "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-6802", "CVE-2020-6817"], "modified": "2020-05-01T04:07:36", "id": "FEDORA:47516639F17F", "href": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/YTULPQB7HVPPYWEYVNHJGDTSPVIDHIZX/", "cvss": {"score": 4.3, "vector": "AV:N/AC:M/Au:N/C:N/I:P/A:N"}}], "mageia": [{"lastseen": "2023-02-28T16:00:48", "description": "In Mozilla Bleach before 3.12, a mutation XSS in bleach.clean when RCDATA and either svg or math tags are whitelisted and the keyword argument strip=False. (CVE-2020-6816) Regular expression denial of service. (CVE-2020-6817) \n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2020-04-20T14:02:32", "type": "mageia", "title": "Updated python-bleach packages fix security vulnerability\n", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "NONE", "availabilityImpact": "NONE", "integrityImpact": "PARTIAL", "baseScore": 4.3, "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-6816", "CVE-2020-6817"], "modified": "2020-04-20T14:02:32", "id": "MGASA-2020-0176", "href": "https://advisories.mageia.org/MGASA-2020-0176.html", "cvss": {"score": 4.3, "vector": "AV:N/AC:M/Au:N/C:N/I:P/A:N"}}], "suse": [{"lastseen": "2022-11-10T02:12:07", "description": "An update that fixes three vulnerabilities is now available.\n\nDescription:\n\n This update for python-bleach fixes the following issues:\n\n - CVE-2021-23980: Fixed mutation XSS on bleach.clean with specific\n combinations of allowed tags (boo#1184547)\n\n Update to 3.1.5:\n\n * replace missing ``setuptools`` dependency with ``packaging``. Thank you\n Benjamin Peterson.\n\n Update to 3.1.4 (boo#1168280, CVE-2020-6817):\n\n * ``bleach.clean`` behavior parsing style attributes could result in a\n regular expression denial of service (ReDoS). Calls to ``bleach.clean``\n with an allowed tag with an allowed ``style`` attribute were vulnerable\n to ReDoS. For example, ``bleach.clean(..., attributes={'a':\n ['style']})``.\n * Style attributes with dashes, or single or double quoted values are\n cleaned instead of passed through.\n\n update to 3.1.3 (boo#1167379, CVE-2020-6816):\n\n * Add relative link to code of conduct. (#442)\n * Drop deprecated 'setup.py test' support. (#507)\n * Fix typo: curren -> current in tests/test_clean.py (#504)\n * Test on PyPy 7\n * Drop test support for end of life Python 3.4\n * ``bleach.clean`` behavior parsing embedded MathML and SVG content with\n RCDATA tags did not match browser behavior and could result in a\n mutation XSS. Calls to ``bleach.clean`` with ``strip=False`` and\n ``math`` or ``svg`` tags and one or more of the RCDATA tags ``script``,\n ``noscript``, ``style``, ``noframes``, ``iframe``, ``noembed``, or\n ``xmp`` in the allowed tags whitelist were vulnerable to a mutation XSS.\n\n This update was imported from the openSUSE:Leap:15.2:Update update project.\n\n\nPatch Instructions:\n\n To install this openSUSE Security Update use the SUSE recommended installation methods\n like YaST online_update or \"zypper patch\".\n\n Alternatively you can run the command listed for your product:\n\n - openSUSE Backports SLE-15-SP2:\n\n zypper in -t patch openSUSE-2021-571=1", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "attackComplexity": "LOW", "scope": "CHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "baseScore": 6.1, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "version": "3.1", "userInteraction": "REQUIRED"}, "impactScore": 2.7}, "published": "2021-04-18T00:00:00", "type": "suse", "title": "Security update for python-bleach (important)", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "NONE", "availabilityImpact": "NONE", "integrityImpact": "PARTIAL", "baseScore": 4.3, "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-6816", "CVE-2020-6817", "CVE-2021-23980"], "modified": "2021-04-18T00:00:00", "id": "OPENSUSE-SU-2021:0571-1", "href": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/UAZHEWM4ZYBZY5GDDDOMIZYEGFNANLKS/", "cvss": {"score": 4.3, "vector": "AV:N/AC:M/Au:N/C:N/I:P/A:N"}}, {"lastseen": "2022-11-06T12:09:19", "description": "An update that fixes three vulnerabilities is now available.\n\nDescription:\n\n This update for python-bleach fixes the following issues:\n\n - CVE-2021-23980: Fixed mutation XSS on bleach.clean with specific\n combinations of allowed tags (boo#1184547)\n\n Update to 3.1.5:\n\n * replace missing ``setuptools`` dependency with ``packaging``. Thank you\n Benjamin Peterson.\n\n Update to 3.1.4 (boo#1168280, CVE-2020-6817):\n\n * ``bleach.clean`` behavior parsing style attributes could result in a\n regular expression denial of service (ReDoS). Calls to ``bleach.clean``\n with an allowed tag with an allowed ``style`` attribute were vulnerable\n to ReDoS. For example, ``bleach.clean(..., attributes={'a':\n ['style']})``.\n * Style attributes with dashes, or single or double quoted values are\n cleaned instead of passed through.\n\n update to 3.1.3 (boo#1167379, CVE-2020-6816):\n\n * Add relative link to code of conduct. (#442)\n * Drop deprecated 'setup.py test' support. (#507)\n * Fix typo: curren -> current in tests/test_clean.py (#504)\n * Test on PyPy 7\n * Drop test support for end of life Python 3.4\n * ``bleach.clean`` behavior parsing embedded MathML and SVG content with\n RCDATA tags did not match browser behavior and could result in a\n mutation XSS. Calls to ``bleach.clean`` with ``strip=False`` and\n ``math`` or ``svg`` tags and one or more of the RCDATA tags ``script``,\n ``noscript``, ``style``, ``noframes``, ``iframe``, ``noembed``, or\n ``xmp`` in the allowed tags whitelist were vulnerable to a mutation XSS.\n\n\nPatch Instructions:\n\n To install this openSUSE Security Update use the SUSE recommended installation methods\n like YaST online_update or \"zypper patch\".\n\n Alternatively you can run the command listed for your product:\n\n - openSUSE Leap 15.2:\n\n zypper in -t patch openSUSE-2021-552=1", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "attackComplexity": "LOW", "scope": "CHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "baseScore": 6.1, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "version": "3.1", "userInteraction": "REQUIRED"}, "impactScore": 2.7}, "published": "2021-04-14T00:00:00", "type": "suse", "title": "Security update for python-bleach (important)", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "NONE", "availabilityImpact": "NONE", "integrityImpact": "PARTIAL", "baseScore": 4.3, "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-6816", "CVE-2020-6817", "CVE-2021-23980"], "modified": "2021-04-14T00:00:00", "id": "OPENSUSE-SU-2021:0552-1", "href": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/YFAKMJGUZHUTZ53ZAID6PRVP5MSLXPGV/", "cvss": {"score": 4.3, "vector": "AV:N/AC:M/Au:N/C:N/I:P/A:N"}}]}
CVE-2020-6817
