Vulnerabilities > CVE-2019-8934 - Exposure of Resource to Wrong Sphere vulnerability in multiple products
Attack vector
LOCAL Attack complexity
LOW Privileges required
NONE Confidentiality impact
PARTIAL Integrity impact
NONE Availability impact
NONE Summary
hw/ppc/spapr.c in QEMU through 3.1.0 allows Information Exposure because the hypervisor shares the /proc/device-tree/system-id and /proc/device-tree/model system attributes with a guest.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
Nessus
NASL family SuSE Local Security Checks NASL id OPENSUSE-2019-1274.NASL description This update for qemu fixes the following issues : Security issues fixed : - CVE-2019-9824: Fixed information leak in slirp (bsc#1129622). - CVE-2019-8934: Added method to specify whether or not to expose certain ppc64 hostinformation (bsc#1126455). - CVE-2019-3812: Fixed Out-of-bounds memory access and information leak in virtual monitor interface (bsc#1125721). - CVE-2018-20815: Fixed a denial of service possibility in device tree processing (bsc#1130675). Non-security issue fixed : - Backported Skylake-Server vcpu model support from qemu v2.11 (FATE#327261 bsc#1131955). - Added ability to set virtqueue size using virtqueue_size parameter (FATE#327255 bsc#1118900). This update was imported from the SUSE:SLE-12-SP3:Update update project. last seen 2020-06-01 modified 2020-06-02 plugin id 124311 published 2019-04-26 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/124311 title openSUSE Security Update : qemu (openSUSE-2019-1274) code # # (C) Tenable Network Security, Inc. # # The descriptive text and package checks in this plugin were # extracted from openSUSE Security Update openSUSE-2019-1274. # # The text description of this plugin is (C) SUSE LLC. # include("compat.inc"); if (description) { script_id(124311); script_version("1.3"); script_cvs_date("Date: 2020/01/21"); script_cve_id("CVE-2018-20815", "CVE-2019-3812", "CVE-2019-8934", "CVE-2019-9824"); script_name(english:"openSUSE Security Update : qemu (openSUSE-2019-1274)"); script_summary(english:"Check for the openSUSE-2019-1274 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 qemu fixes the following issues : Security issues fixed : - CVE-2019-9824: Fixed information leak in slirp (bsc#1129622). - CVE-2019-8934: Added method to specify whether or not to expose certain ppc64 hostinformation (bsc#1126455). - CVE-2019-3812: Fixed Out-of-bounds memory access and information leak in virtual monitor interface (bsc#1125721). - CVE-2018-20815: Fixed a denial of service possibility in device tree processing (bsc#1130675). Non-security issue fixed : - Backported Skylake-Server vcpu model support from qemu v2.11 (FATE#327261 bsc#1131955). - Added ability to set virtqueue size using virtqueue_size parameter (FATE#327255 bsc#1118900). This update was imported from the SUSE:SLE-12-SP3:Update update project." ); script_set_attribute( attribute:"see_also", value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1118900" ); script_set_attribute( attribute:"see_also", value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1125721" ); script_set_attribute( attribute:"see_also", value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1126455" ); script_set_attribute( attribute:"see_also", value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1129622" ); script_set_attribute( attribute:"see_also", value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1130675" ); script_set_attribute( attribute:"see_also", value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1131955" ); script_set_attribute( attribute:"see_also", value:"https://features.opensuse.org/327255" ); script_set_attribute( attribute:"see_also", value:"https://features.opensuse.org/327261" ); script_set_attribute(attribute:"solution", value:"Update the affected qemu packages."); 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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", "Host/cpu"); 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 !~ "^(SUSE42\.3)$") audit(AUDIT_OS_RELEASE_NOT, "openSUSE", "42.3", release); if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING); ourarch = get_kb_item("Host/cpu"); if (!ourarch) audit(AUDIT_UNKNOWN_ARCH); if (ourarch !~ "^(i586|i686|x86_64)$") audit(AUDIT_ARCH_NOT, "i586 / i686 / x86_64", ourarch); flag = 0; if ( rpm_check(release:"SUSE42.3", reference:"qemu-ipxe-1.0.0+-59.1") ) flag++; if ( rpm_check(release:"SUSE42.3", reference:"qemu-linux-user-2.9.1-59.1") ) flag++; if ( rpm_check(release:"SUSE42.3", reference:"qemu-linux-user-debuginfo-2.9.1-59.1") ) flag++; if ( rpm_check(release:"SUSE42.3", reference:"qemu-linux-user-debugsource-2.9.1-59.1") ) flag++; if ( rpm_check(release:"SUSE42.3", reference:"qemu-seabios-1.10.2-59.1") ) flag++; if ( rpm_check(release:"SUSE42.3", reference:"qemu-sgabios-8-59.1") ) flag++; if ( rpm_check(release:"SUSE42.3", reference:"qemu-vgabios-1.10.2-59.1") ) flag++; if ( rpm_check(release:"SUSE42.3", cpu:"x86_64", reference:"qemu-2.9.1-59.1") ) flag++; if ( rpm_check(release:"SUSE42.3", cpu:"x86_64", reference:"qemu-arm-2.9.1-59.1") ) flag++; if ( rpm_check(release:"SUSE42.3", cpu:"x86_64", reference:"qemu-arm-debuginfo-2.9.1-59.1") ) flag++; if ( rpm_check(release:"SUSE42.3", cpu:"x86_64", reference:"qemu-block-curl-2.9.1-59.1") ) flag++; if ( rpm_check(release:"SUSE42.3", cpu:"x86_64", reference:"qemu-block-curl-debuginfo-2.9.1-59.1") ) flag++; if ( rpm_check(release:"SUSE42.3", cpu:"x86_64", reference:"qemu-block-dmg-2.9.1-59.1") ) flag++; if ( rpm_check(release:"SUSE42.3", cpu:"x86_64", reference:"qemu-block-dmg-debuginfo-2.9.1-59.1") ) flag++; if ( rpm_check(release:"SUSE42.3", cpu:"x86_64", reference:"qemu-block-iscsi-2.9.1-59.1") ) flag++; if ( rpm_check(release:"SUSE42.3", cpu:"x86_64", reference:"qemu-block-iscsi-debuginfo-2.9.1-59.1") ) flag++; if ( rpm_check(release:"SUSE42.3", cpu:"x86_64", reference:"qemu-block-rbd-2.9.1-59.1") ) flag++; if ( rpm_check(release:"SUSE42.3", cpu:"x86_64", reference:"qemu-block-rbd-debuginfo-2.9.1-59.1") ) flag++; if ( rpm_check(release:"SUSE42.3", cpu:"x86_64", reference:"qemu-block-ssh-2.9.1-59.1") ) flag++; if ( rpm_check(release:"SUSE42.3", cpu:"x86_64", reference:"qemu-block-ssh-debuginfo-2.9.1-59.1") ) flag++; if ( rpm_check(release:"SUSE42.3", cpu:"x86_64", reference:"qemu-debugsource-2.9.1-59.1") ) flag++; if ( rpm_check(release:"SUSE42.3", cpu:"x86_64", reference:"qemu-extra-2.9.1-59.1") ) flag++; if ( rpm_check(release:"SUSE42.3", cpu:"x86_64", reference:"qemu-extra-debuginfo-2.9.1-59.1") ) flag++; if ( rpm_check(release:"SUSE42.3", cpu:"x86_64", reference:"qemu-guest-agent-2.9.1-59.1") ) flag++; if ( rpm_check(release:"SUSE42.3", cpu:"x86_64", reference:"qemu-guest-agent-debuginfo-2.9.1-59.1") ) flag++; if ( rpm_check(release:"SUSE42.3", cpu:"x86_64", reference:"qemu-ksm-2.9.1-59.1") ) flag++; if ( rpm_check(release:"SUSE42.3", cpu:"x86_64", reference:"qemu-kvm-2.9.1-59.1") ) flag++; if ( rpm_check(release:"SUSE42.3", cpu:"x86_64", reference:"qemu-lang-2.9.1-59.1") ) flag++; if ( rpm_check(release:"SUSE42.3", cpu:"x86_64", reference:"qemu-ppc-2.9.1-59.1") ) flag++; if ( rpm_check(release:"SUSE42.3", cpu:"x86_64", reference:"qemu-ppc-debuginfo-2.9.1-59.1") ) flag++; if ( rpm_check(release:"SUSE42.3", cpu:"x86_64", reference:"qemu-s390-2.9.1-59.1") ) flag++; if ( rpm_check(release:"SUSE42.3", cpu:"x86_64", reference:"qemu-s390-debuginfo-2.9.1-59.1") ) flag++; if ( rpm_check(release:"SUSE42.3", cpu:"x86_64", reference:"qemu-testsuite-2.9.1-59.2") ) flag++; if ( rpm_check(release:"SUSE42.3", cpu:"x86_64", reference:"qemu-tools-2.9.1-59.1") ) flag++; if ( rpm_check(release:"SUSE42.3", cpu:"x86_64", reference:"qemu-tools-debuginfo-2.9.1-59.1") ) flag++; if ( rpm_check(release:"SUSE42.3", cpu:"x86_64", reference:"qemu-x86-2.9.1-59.1") ) flag++; if ( rpm_check(release:"SUSE42.3", cpu:"x86_64", reference:"qemu-x86-debuginfo-2.9.1-59.1") ) flag++; if (flag) { if (report_verbosity > 0) security_hole(port:0, extra:rpm_report_get()); else security_hole(0); exit(0); } else { tested = pkg_tests_get(); if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested); else audit(AUDIT_PACKAGE_NOT_INSTALLED, "qemu-linux-user / qemu-linux-user-debuginfo / etc"); }
NASL family SuSE Local Security Checks NASL id OPENSUSE-2019-1405.NASL description This update for qemu fixes the following issues : Security issues fixed : - CVE-2019-9824: Fixed an information leak in slirp (bsc#1129622) - CVE-2019-8934: Added method to specify whether or not to expose certain ppc64 host information, which can be considered a security issue (bsc#1126455) - CVE-2019-3812: Fixed OOB memory access and information leak in virtual monitor interface (bsc#1125721) - CVE-2018-20815: Fix DOS possibility in device tree processing (bsc#1130675) - Adjust fix for CVE-2019-8934 (bsc#1126455) to match the latest upstream adjustments for the same. Basically now the security fix is to provide a dummy host-model and host-serial value, which overrides getting that value from the host - CVE-2018-12126 CVE-2018-12127 CVE-2018-12130 CVE-2019-11091: Added x86 cpu feature last seen 2020-06-01 modified 2020-06-02 plugin id 125302 published 2019-05-21 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/125302 title openSUSE Security Update : qemu (openSUSE-2019-1405) (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout) code # # (C) Tenable Network Security, Inc. # # The descriptive text and package checks in this plugin were # extracted from openSUSE Security Update openSUSE-2019-1405. # # The text description of this plugin is (C) SUSE LLC. # include("compat.inc"); if (description) { script_id(125302); script_version("1.3"); script_cvs_date("Date: 2020/01/15"); script_cve_id("CVE-2018-12126", "CVE-2018-12127", "CVE-2018-12130", "CVE-2018-20815", "CVE-2019-11091", "CVE-2019-3812", "CVE-2019-8934", "CVE-2019-9824"); script_name(english:"openSUSE Security Update : qemu (openSUSE-2019-1405) (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout)"); script_summary(english:"Check for the openSUSE-2019-1405 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 qemu fixes the following issues : Security issues fixed : - CVE-2019-9824: Fixed an information leak in slirp (bsc#1129622) - CVE-2019-8934: Added method to specify whether or not to expose certain ppc64 host information, which can be considered a security issue (bsc#1126455) - CVE-2019-3812: Fixed OOB memory access and information leak in virtual monitor interface (bsc#1125721) - CVE-2018-20815: Fix DOS possibility in device tree processing (bsc#1130675) - Adjust fix for CVE-2019-8934 (bsc#1126455) to match the latest upstream adjustments for the same. Basically now the security fix is to provide a dummy host-model and host-serial value, which overrides getting that value from the host - CVE-2018-12126 CVE-2018-12127 CVE-2018-12130 CVE-2019-11091: Added x86 cpu feature 'md-clear' (bsc#1111331) Other bugs fixed : - Use a new approach to handling the file input to -smbios option, which accepts either legacy or per-spec formats regardless of the machine type. This update was imported from the SUSE:SLE-15:Update update project." ); script_set_attribute( attribute:"see_also", value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1111331" ); script_set_attribute( attribute:"see_also", value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1125721" ); script_set_attribute( attribute:"see_also", value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1126455" ); script_set_attribute( attribute:"see_also", value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1129622" ); script_set_attribute( attribute:"see_also", value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1130675" ); script_set_attribute(attribute:"solution", value:"Update the affected qemu packages."); script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P"); 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:H/A:H"); 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"); 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script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:qemu-x86"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:qemu-x86-debuginfo"); script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:opensuse:15.0"); script_set_attribute(attribute:"vuln_publication_date", value:"2019/02/19"); script_set_attribute(attribute:"patch_publication_date", value:"2019/05/17"); script_set_attribute(attribute:"plugin_publication_date", value:"2019/05/21"); script_set_attribute(attribute:"in_the_news", value:"true"); 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", "Host/cpu"); 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)$") audit(AUDIT_OS_RELEASE_NOT, "openSUSE", "15.0", release); if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING); ourarch = get_kb_item("Host/cpu"); if (!ourarch) audit(AUDIT_UNKNOWN_ARCH); if (ourarch !~ "^(x86_64)$") audit(AUDIT_ARCH_NOT, "x86_64", ourarch); flag = 0; if ( rpm_check(release:"SUSE15.0", reference:"qemu-2.11.2-lp150.7.22.1") ) flag++; if ( rpm_check(release:"SUSE15.0", reference:"qemu-arm-2.11.2-lp150.7.22.1") ) flag++; if ( rpm_check(release:"SUSE15.0", reference:"qemu-arm-debuginfo-2.11.2-lp150.7.22.1") ) flag++; if ( rpm_check(release:"SUSE15.0", reference:"qemu-block-curl-2.11.2-lp150.7.22.1") ) flag++; if ( rpm_check(release:"SUSE15.0", reference:"qemu-block-curl-debuginfo-2.11.2-lp150.7.22.1") ) flag++; if ( rpm_check(release:"SUSE15.0", reference:"qemu-block-dmg-2.11.2-lp150.7.22.1") ) flag++; if ( rpm_check(release:"SUSE15.0", reference:"qemu-block-dmg-debuginfo-2.11.2-lp150.7.22.1") ) flag++; if ( rpm_check(release:"SUSE15.0", reference:"qemu-block-gluster-2.11.2-lp150.7.22.1") ) flag++; if ( rpm_check(release:"SUSE15.0", reference:"qemu-block-gluster-debuginfo-2.11.2-lp150.7.22.1") ) flag++; if ( rpm_check(release:"SUSE15.0", reference:"qemu-block-iscsi-2.11.2-lp150.7.22.1") ) flag++; if ( rpm_check(release:"SUSE15.0", reference:"qemu-block-iscsi-debuginfo-2.11.2-lp150.7.22.1") ) flag++; if ( rpm_check(release:"SUSE15.0", reference:"qemu-block-rbd-2.11.2-lp150.7.22.1") ) flag++; if ( rpm_check(release:"SUSE15.0", reference:"qemu-block-rbd-debuginfo-2.11.2-lp150.7.22.1") ) flag++; if ( rpm_check(release:"SUSE15.0", reference:"qemu-block-ssh-2.11.2-lp150.7.22.1") ) flag++; if ( rpm_check(release:"SUSE15.0", reference:"qemu-block-ssh-debuginfo-2.11.2-lp150.7.22.1") ) flag++; if ( rpm_check(release:"SUSE15.0", reference:"qemu-debuginfo-2.11.2-lp150.7.22.1") ) flag++; if ( rpm_check(release:"SUSE15.0", reference:"qemu-debugsource-2.11.2-lp150.7.22.1") ) flag++; if ( rpm_check(release:"SUSE15.0", reference:"qemu-extra-2.11.2-lp150.7.22.1") ) flag++; if ( rpm_check(release:"SUSE15.0", reference:"qemu-extra-debuginfo-2.11.2-lp150.7.22.1") ) flag++; if ( rpm_check(release:"SUSE15.0", reference:"qemu-guest-agent-2.11.2-lp150.7.22.1") ) flag++; if ( rpm_check(release:"SUSE15.0", reference:"qemu-guest-agent-debuginfo-2.11.2-lp150.7.22.1") ) flag++; if ( rpm_check(release:"SUSE15.0", reference:"qemu-ipxe-1.0.0+-lp150.7.22.1") ) flag++; if ( rpm_check(release:"SUSE15.0", reference:"qemu-ksm-2.11.2-lp150.7.22.1") ) flag++; if ( rpm_check(release:"SUSE15.0", reference:"qemu-kvm-2.11.2-lp150.7.22.1") ) flag++; if ( rpm_check(release:"SUSE15.0", reference:"qemu-lang-2.11.2-lp150.7.22.1") ) flag++; if ( rpm_check(release:"SUSE15.0", reference:"qemu-ppc-2.11.2-lp150.7.22.1") ) flag++; if ( rpm_check(release:"SUSE15.0", reference:"qemu-ppc-debuginfo-2.11.2-lp150.7.22.1") ) flag++; if ( rpm_check(release:"SUSE15.0", reference:"qemu-s390-2.11.2-lp150.7.22.1") ) flag++; if ( rpm_check(release:"SUSE15.0", reference:"qemu-s390-debuginfo-2.11.2-lp150.7.22.1") ) flag++; if ( rpm_check(release:"SUSE15.0", reference:"qemu-seabios-1.11.0-lp150.7.22.1") ) flag++; if ( rpm_check(release:"SUSE15.0", reference:"qemu-sgabios-8-lp150.7.22.1") ) flag++; if ( rpm_check(release:"SUSE15.0", reference:"qemu-tools-2.11.2-lp150.7.22.1") ) flag++; if ( rpm_check(release:"SUSE15.0", reference:"qemu-tools-debuginfo-2.11.2-lp150.7.22.1") ) flag++; if ( rpm_check(release:"SUSE15.0", reference:"qemu-vgabios-1.11.0-lp150.7.22.1") ) flag++; if ( rpm_check(release:"SUSE15.0", reference:"qemu-x86-2.11.2-lp150.7.22.1") ) flag++; if ( rpm_check(release:"SUSE15.0", reference:"qemu-x86-debuginfo-2.11.2-lp150.7.22.1") ) flag++; if (flag) { if (report_verbosity > 0) security_hole(port:0, extra:rpm_report_get()); else security_hole(0); exit(0); } else { tested = pkg_tests_get(); if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested); else audit(AUDIT_PACKAGE_NOT_INSTALLED, "qemu / qemu-arm / qemu-arm-debuginfo / qemu-block-curl / etc"); }
References
- https://lists.gnu.org/archive/html/qemu-devel/2019-02/msg04821.html
- http://www.securityfocus.com/bid/107115
- http://www.openwall.com/lists/oss-security/2019/02/21/1
- https://security.netapp.com/advisory/ntap-20190411-0006/
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00094.html
- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00040.html