CVE-2018-7550

The load_multiboot function in hw/i386/multiboot.c in Quick Emulator (aka QEMU) allows local guest OS users to execute arbitrary code on the QEMU host via a mh_load_end_addr value greater than mh_bss_end_addr, which triggers an out-of-bounds read or write memory access.

CVSS v3 8.8 HIGH
CVSS v2.0 4.6 MEDIUM

8.8^/10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 2.0 / Impact : 6.0

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

4.6^/10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:L/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 3.9 / Impact : 6.4

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
http://www.securityfocus.com/bid/103181	Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2018:1369	Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2462	Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1549798	Issue Tracking Vendor Advisory
https://github.com/orangecertcc/security-research/security/advisories/GHSA-f49v-45qp-cv53
https://lists.debian.org/debian-lts-announce/2018/04/msg00015.html	Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/04/msg00016.html	Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html	Mailing List Third Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2018-02/msg06890.html	Mailing List Patch
https://usn.ubuntu.com/3649-1/	Third Party Advisory
https://www.debian.org/security/2018/dsa-4213	Third Party Advisory
http://www.securityfocus.com/bid/103181	Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2018:1369	Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2462	Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1549798	Issue Tracking Vendor Advisory
https://github.com/orangecertcc/security-research/security/advisories/GHSA-f49v-45qp-cv53
https://lists.debian.org/debian-lts-announce/2018/04/msg00015.html	Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/04/msg00016.html	Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html	Mailing List Third Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2018-02/msg06890.html	Mailing List Patch
https://usn.ubuntu.com/3649-1/	Third Party Advisory
https://www.debian.org/security/2018/dsa-4213	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:debian:debian_linux:7.0:::::::*
	cpe:2.3:o:debian:debian_linux:8.0:::::::*
	cpe:2.3:o:debian:debian_linux:9.0:::::::*

Configuration 3 (hide)

OR	cpe:2.3:o:canonical:ubuntu_linux:14.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:16.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:17.10:::::::*
	cpe:2.3:o:canonical:ubuntu_linux:18.04::::lts:::

Configuration 4 (hide)

OR	cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux_server:7.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:::::::*
	cpe:2.3:o:redhat:enterprise_linux_server_aus:7.7:::::::*
	cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:::::::*
	cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:::::::*
	cpe:2.3:o:redhat:enterprise_linux_server_eus:7.7:::::::*
	cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:::::::*
	cpe:2.3:o:redhat:enterprise_linux_server_tus:7.7:::::::*
	cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:::::::*

History

21 Nov 2024, 04:12

Type	Values Removed	Values Added
References	~~() http://www.securityfocus.com/bid/103181 - Third Party Advisory, VDB Entry~~	() http://www.securityfocus.com/bid/103181 - Third Party Advisory, VDB Entry
References	~~() https://access.redhat.com/errata/RHSA-2018:1369 - Third Party Advisory~~	() https://access.redhat.com/errata/RHSA-2018:1369 - Third Party Advisory
References	~~() https://access.redhat.com/errata/RHSA-2018:2462 - Third Party Advisory~~	() https://access.redhat.com/errata/RHSA-2018:2462 - Third Party Advisory
References	~~() https://bugzilla.redhat.com/show_bug.cgi?id=1549798 - Issue Tracking, Vendor Advisory~~	() https://bugzilla.redhat.com/show_bug.cgi?id=1549798 - Issue Tracking, Vendor Advisory
References	~~() https://github.com/orangecertcc/security-research/security/advisories/GHSA-f49v-45qp-cv53 -~~	() https://github.com/orangecertcc/security-research/security/advisories/GHSA-f49v-45qp-cv53 -
References	~~() https://lists.debian.org/debian-lts-announce/2018/04/msg00015.html - Mailing List, Third Party Advisory~~	() https://lists.debian.org/debian-lts-announce/2018/04/msg00015.html - Mailing List, Third Party Advisory
References	~~() https://lists.debian.org/debian-lts-announce/2018/04/msg00016.html - Mailing List, Third Party Advisory~~	() https://lists.debian.org/debian-lts-announce/2018/04/msg00016.html - Mailing List, Third Party Advisory
References	~~() https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html - Mailing List, Third Party Advisory~~	() https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html - Mailing List, Third Party Advisory
References	~~() https://lists.gnu.org/archive/html/qemu-devel/2018-02/msg06890.html - Mailing List, Patch~~	() https://lists.gnu.org/archive/html/qemu-devel/2018-02/msg06890.html - Mailing List, Patch
References	~~() https://usn.ubuntu.com/3649-1/ - Third Party Advisory~~	() https://usn.ubuntu.com/3649-1/ - Third Party Advisory
References	~~() https://www.debian.org/security/2018/dsa-4213 - Third Party Advisory~~	() https://www.debian.org/security/2018/dsa-4213 - Third Party Advisory

30 Jan 2024, 22:15

Type	Values Removed	Values Added
References		() https://github.com/orangecertcc/security-research/security/advisories/GHSA-f49v-45qp-cv53 -

Information

Published : 2018-03-01 17:29

Updated : 2024-11-21 04:12

NVD link : CVE-2018-7550

Mitre link : CVE-2018-7550

CVE.ORG link : CVE-2018-7550

JSON object : View

Products Affected

qemu

qemu

redhat

enterprise_linux_desktop
enterprise_linux_server_eus
enterprise_linux_server
enterprise_linux_workstation
enterprise_linux_server_aus
enterprise_linux_server_tus

canonical

ubuntu_linux

debian

debian_linux

CWE

CWE-125

Out-of-bounds Read

CWE-787

Out-of-bounds Write

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"https://access.redhat.com/errata/RHSA-2018:2462", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1549798", "tags": ["Issue Tracking", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://github.com/orangecertcc/security-research/security/advisories/GHSA-f49v-45qp-cv53", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.debian.org/debian-lts-announce/2018/04/msg00015.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.debian.org/debian-lts-announce/2018/04/msg00016.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.gnu.org/archive/html/qemu-devel/2018-02/msg06890.html", "tags": ["Mailing List", "Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://usn.ubuntu.com/3649-1/", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.debian.org/security/2018/dsa-4213", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-125"}, {"lang": "en", "value": "CWE-787"}]}], "descriptions": [{"lang": "en", "value": "The load_multiboot function in hw/i386/multiboot.c in Quick Emulator (aka QEMU) allows local guest OS users to execute arbitrary code on the QEMU host via a mh_load_end_addr value greater than mh_bss_end_addr, which triggers an out-of-bounds read or write memory access."}, {"lang": "es", "value": "La funci\u00f3n load_multiboot en hw/i386/multiboot.c en Quick Emulator (tambi\u00e9n conocido como QEMU) permite que usuarios locales invitados del sistema operativo ejecuten c\u00f3digo arbitrario en el host QEMU mediante un valor mh_load_end_addr mayor que mh_bss_end_addr. Esto desencadena un acceso de lectura o escritura a la memoria fuera de l\u00edmites."}], "lastModified": "2024-11-21T04:12:20.860", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1BADDD0F-A2EA-42DC-9EBC-7E35D48DD63C", "versionEndIncluding": "2.11.1"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "16F59A04-14CF-49E2-9973-645477EA09DA"}, {"criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43"}, {"criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*", "vulnerable": true, "matchCriteriaId": "B5A6F2F3-4894-4392-8296-3B8DD2679084"}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*", "vulnerable": true, "matchCriteriaId": "F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B"}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9070C9D8-A14A-467F-8253-33B966C16886"}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*", "vulnerable": true, "matchCriteriaId": "23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "33C068A4-3780-4EAB-A937-6082DF847564"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "51EF4996-72F4-4FA4-814F-F5991E7A8318"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B353CE99-D57C-465B-AAB0-73EF581127D1"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_aus:7.7:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7431ABC1-9252-419E-8CC1-311B41360078"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A4E9DD8A-A68B-4A69-8B01-BFF92A2020A8"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BF77CDCF-B9C9-427D-B2BF-36650FB2148C"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_eus:7.7:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "21690BAC-2129-4A33-9B48-1F3BF30072A9"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B76AA310-FEC7-497F-AF04-C3EC1E76C4CC"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_tus:7.7:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "17F256A9-D3B9-4C72-B013-4EFD878BFEA8"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "825ECE2D-E232-46E0-A047-074B34DB1E97"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}

8.8 /10