CVE-2018-7550

CVSS V2 Medium 4.6 CVSS V3 High 8.8
Description
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.
Overview
  • CVE ID
  • CVE-2018-7550
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2018-03-01T17:29:00
  • Last Modified Date
  • 2020-10-15T13:28:17
Weakness Enumerations
CWE URL
CWE-125 http://cwe.mitre.org/data/definitions/125.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:* 1 OR 2.11.1
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.7:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.7:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_server_tus:7.7:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:P/I:P/A:P
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 4.6
  • Severity
  • MEDIUM
  • Exploitability Score
  • 3.9
  • Impact Score
  • 6.4
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • CHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 8.8
  • Base Severity
  • HIGH
  • Exploitability Score
  • 2
  • Impact Score
  • 6
References
Reference URL Reference Tags
https://lists.gnu.org/archive/html/qemu-devel/2018-02/msg06890.html Mailing List Patch
https://bugzilla.redhat.com/show_bug.cgi?id=1549798 Issue Tracking Vendor Advisory
http://www.securityfocus.com/bid/103181 Third Party Advisory VDB Entry
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/msg00015.html Mailing List Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:1369 Third Party Advisory
https://usn.ubuntu.com/3649-1/ Third Party Advisory
https://www.debian.org/security/2018/dsa-4213 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2462 Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html Mailing List Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2018-7550
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7550
History
Created Old Value New Value Data Type Notes
2022-05-10 17:08:30 Added to TrackCVE
2022-12-03 02:53:13 2018-03-01T17:29Z 2018-03-01T17:29:00 CVE Published Date updated
2022-12-03 02:53:13 2020-10-15T13:28:17 CVE Modified Date updated
2022-12-03 02:53:13 Analyzed Vulnerability Status updated