Vulnerabilities > CVE-2018-12291 - Unspecified vulnerability in Matrix Synapse
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
HIGH Integrity impact
NONE Availability impact
NONE Summary
The on_get_missing_events function in handlers/federation.py in Matrix Synapse before 0.31.1 has a security bug in the get_missing_events federation API where event visibility rules were not applied correctly.
Vulnerable Configurations
Nessus
NASL family SuSE Local Security Checks NASL id OPENSUSE-2019-475.NASL description This update for matrix-synapse fixes the following security issue : - CVE-2018-12291: visibility rules were not applied correctly in the get_missing_events federation API (boo#1096833) last seen 2020-06-01 modified 2020-06-02 plugin id 123194 published 2019-03-27 reporter This script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/123194 title openSUSE Security Update : matrix-synapse (openSUSE-2019-475) code # # (C) Tenable Network Security, Inc. # # The descriptive text and package checks in this plugin were # extracted from openSUSE Security Update openSUSE-2019-475. # # The text description of this plugin is (C) SUSE LLC. # include("compat.inc"); if (description) { script_id(123194); script_version("1.2"); script_cvs_date("Date: 2020/01/30"); script_cve_id("CVE-2018-12291"); script_name(english:"openSUSE Security Update : matrix-synapse (openSUSE-2019-475)"); script_summary(english:"Check for the openSUSE-2019-475 patch"); script_set_attribute( attribute:"synopsis", value:"The remote openSUSE host is missing a security update." ); script_set_attribute( attribute:"description", value: "This update for matrix-synapse fixes the following security issue : - CVE-2018-12291: visibility rules were not applied correctly in the get_missing_events federation API (boo#1096833)" ); script_set_attribute( attribute:"see_also", value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1096833" ); script_set_attribute( attribute:"solution", value:"Update the affected matrix-synapse packages." ); script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N"); script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C"); script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"); script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C"); script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available"); script_set_attribute(attribute:"plugin_type", value:"local"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:python2-matrix-synapse"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:python3-matrix-synapse"); script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:opensuse:15.0"); script_set_attribute(attribute:"vuln_publication_date", value:"2018/06/13"); script_set_attribute(attribute:"patch_publication_date", value:"2019/03/23"); script_set_attribute(attribute:"plugin_publication_date", value:"2019/03/27"); script_set_attribute(attribute:"generated_plugin", value:"current"); script_end_attributes(); script_category(ACT_GATHER_INFO); script_copyright(english:"This script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof."); script_family(english:"SuSE Local Security Checks"); script_dependencies("ssh_get_info.nasl"); script_require_keys("Host/local_checks_enabled", "Host/SuSE/release", "Host/SuSE/rpm-list"); exit(0); } include("audit.inc"); include("global_settings.inc"); include("rpm.inc"); if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED); release = get_kb_item("Host/SuSE/release"); if (isnull(release) || release =~ "^(SLED|SLES)") audit(AUDIT_OS_NOT, "openSUSE"); if (release !~ "^(SUSE15\.0)$") audit(AUDIT_OS_RELEASE_NOT, "openSUSE", "15.0", release); if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING); flag = 0; if ( rpm_check(release:"SUSE15.0", reference:"python2-matrix-synapse-0.28.1-lp150.2.4.1") ) flag++; if ( rpm_check(release:"SUSE15.0", reference:"python3-matrix-synapse-0.28.1-lp150.2.4.1") ) flag++; if (flag) { if (report_verbosity > 0) security_warning(port:0, extra:rpm_report_get()); else security_warning(0); exit(0); } else { tested = pkg_tests_get(); if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested); else audit(AUDIT_PACKAGE_NOT_INSTALLED, "python2-matrix-synapse / python3-matrix-synapse"); }
NASL family Fedora Local Security Checks NASL id FEDORA_2018-6E759AF8FB.NASL description Update to latest Synapse release which fixes CVE-2018-12291 (0.31.1) and a second security bug in 0.31.2: https://github.com/matrix-org/synapse/releases/tag/v0.31.2 This update includes a new package which is a dependency introduced by synapse-0.31 Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues. last seen 2020-06-05 modified 2019-01-03 plugin id 120512 published 2019-01-03 reporter This script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/120512 title Fedora 28 : matrix-synapse / python-prometheus_client (2018-6e759af8fb) code #%NASL_MIN_LEVEL 80502 # # (C) Tenable Network Security, Inc. # # The descriptive text and package checks in this plugin were # extracted from Fedora Security Advisory FEDORA-2018-6e759af8fb. # include("compat.inc"); if (description) { script_id(120512); script_version("1.4"); script_set_attribute(attribute:"plugin_modification_date", value:"2020/06/04"); script_cve_id("CVE-2018-12291"); script_xref(name:"FEDORA", value:"2018-6e759af8fb"); script_name(english:"Fedora 28 : matrix-synapse / python-prometheus_client (2018-6e759af8fb)"); script_summary(english:"Checks rpm output for the updated packages."); script_set_attribute( attribute:"synopsis", value:"The remote Fedora host is missing one or more security updates." ); script_set_attribute( attribute:"description", value: "Update to latest Synapse release which fixes CVE-2018-12291 (0.31.1) and a second security bug in 0.31.2: https://github.com/matrix-org/synapse/releases/tag/v0.31.2 This update includes a new package which is a dependency introduced by synapse-0.31 Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues." ); script_set_attribute( attribute:"see_also", value:"https://bodhi.fedoraproject.org/updates/FEDORA-2018-6e759af8fb" ); script_set_attribute( attribute:"solution", value: "Update the affected matrix-synapse and / or python-prometheus_client packages." ); script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N"); script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C"); script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"); script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C"); script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available"); script_set_attribute(attribute:"plugin_type", value:"local"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fedoraproject:fedora:matrix-synapse"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fedoraproject:fedora:python-prometheus_client"); script_set_attribute(attribute:"cpe", value:"cpe:/o:fedoraproject:fedora:28"); script_set_attribute(attribute:"vuln_publication_date", value:"2018/06/13"); script_set_attribute(attribute:"patch_publication_date", value:"2018/06/23"); script_set_attribute(attribute:"plugin_publication_date", value:"2019/01/03"); script_set_attribute(attribute:"generated_plugin", value:"current"); script_end_attributes(); script_category(ACT_GATHER_INFO); script_copyright(english:"This script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof."); script_family(english:"Fedora Local Security Checks"); script_dependencies("ssh_get_info.nasl"); script_require_keys("Host/local_checks_enabled", "Host/RedHat/release", "Host/RedHat/rpm-list"); exit(0); } include("audit.inc"); include("global_settings.inc"); include("rpm.inc"); if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED); release = get_kb_item("Host/RedHat/release"); if (isnull(release) || "Fedora" >!< release) audit(AUDIT_OS_NOT, "Fedora"); os_ver = pregmatch(pattern: "Fedora.*release ([0-9]+)", string:release); if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "Fedora"); os_ver = os_ver[1]; if (! preg(pattern:"^28([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Fedora 28", "Fedora " + os_ver); if (!get_kb_item("Host/RedHat/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING); cpu = get_kb_item("Host/cpu"); if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH); if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Fedora", cpu); flag = 0; if (rpm_check(release:"FC28", reference:"matrix-synapse-0.31.2-1.fc28")) flag++; if (rpm_check(release:"FC28", reference:"python-prometheus_client-0.2.0-1.fc28")) flag++; if (flag) { security_report_v4( port : 0, severity : SECURITY_WARNING, extra : rpm_report_get() ); exit(0); } else { tested = pkg_tests_get(); if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested); else audit(AUDIT_PACKAGE_NOT_INSTALLED, "matrix-synapse / python-prometheus_client"); }
NASL family SuSE Local Security Checks NASL id OPENSUSE-2018-654.NASL description This update for matrix-synapse fixes the following security issue : - CVE-2018-12291: visibility rules were not applied correctly in the get_missing_events federation API (boo#1096833) last seen 2020-06-05 modified 2018-06-21 plugin id 110633 published 2018-06-21 reporter This script is Copyright (C) 2018-2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/110633 title openSUSE Security Update : matrix-synapse (openSUSE-2018-654) code #%NASL_MIN_LEVEL 80502 # # (C) Tenable Network Security, Inc. # # The descriptive text and package checks in this plugin were # extracted from openSUSE Security Update openSUSE-2018-654. # # The text description of this plugin is (C) SUSE LLC. # include("compat.inc"); if (description) { script_id(110633); script_version("1.4"); script_set_attribute(attribute:"plugin_modification_date", value:"2020/06/04"); script_cve_id("CVE-2018-12291"); script_name(english:"openSUSE Security Update : matrix-synapse (openSUSE-2018-654)"); script_summary(english:"Check for the openSUSE-2018-654 patch"); script_set_attribute( attribute:"synopsis", value:"The remote openSUSE host is missing a security update." ); script_set_attribute( attribute:"description", value: "This update for matrix-synapse fixes the following security issue : - CVE-2018-12291: visibility rules were not applied correctly in the get_missing_events federation API (boo#1096833)" ); script_set_attribute( attribute:"see_also", value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1096833" ); script_set_attribute( attribute:"solution", value:"Update the affected matrix-synapse packages." ); script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N"); script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"); script_set_attribute(attribute:"plugin_type", value:"local"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:python2-matrix-synapse"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:python3-matrix-synapse"); script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:opensuse:15.0"); script_set_attribute(attribute:"patch_publication_date", value:"2018/06/20"); script_set_attribute(attribute:"plugin_publication_date", value:"2018/06/21"); script_end_attributes(); script_category(ACT_GATHER_INFO); script_copyright(english:"This script is Copyright (C) 2018-2020 and is owned by Tenable, Inc. or an Affiliate thereof."); script_family(english:"SuSE Local Security Checks"); script_dependencies("ssh_get_info.nasl"); script_require_keys("Host/local_checks_enabled", "Host/SuSE/release", "Host/SuSE/rpm-list"); exit(0); } include("audit.inc"); include("global_settings.inc"); include("rpm.inc"); if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED); release = get_kb_item("Host/SuSE/release"); if (isnull(release) || release =~ "^(SLED|SLES)") audit(AUDIT_OS_NOT, "openSUSE"); if (release !~ "^(SUSE15\.0)$") audit(AUDIT_OS_RELEASE_NOT, "openSUSE", "15.0", release); if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING); flag = 0; if ( rpm_check(release:"SUSE15.0", reference:"python2-matrix-synapse-0.28.1-lp150.2.4.1") ) flag++; if ( rpm_check(release:"SUSE15.0", reference:"python3-matrix-synapse-0.28.1-lp150.2.4.1") ) flag++; if (flag) { if (report_verbosity > 0) security_warning(port:0, extra:rpm_report_get()); else security_warning(0); exit(0); } else { tested = pkg_tests_get(); if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested); else audit(AUDIT_PACKAGE_NOT_INSTALLED, "python2-matrix-synapse / python3-matrix-synapse"); }