National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

    Vulnerabilities Detail

CVE-2018-7550 Detail

Current 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.

Source:  MITRE
Description Last Modified:  03/01/2018
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 8.8 HIGH
Vector: AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H (V3 legend)
Impact Score: 6.0
Exploitability Score: 2.0

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Changed
Confidentiality (C): High
Integrity (I): High
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 4.6 MEDIUM
Vector: (AV:L/AC:L/Au:N/C:P/I:P/A:P) (V2 legend)
Impact Subscore: 6.4
Exploitability Subscore: 3.9

Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): Partial
Availability (A): Partial
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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

Technical Details

Vulnerability Type (View All)

Vulnerable software and versions Switch to CPE 2.2

Configuration 1
OR
cpe:2.3:a:qemu:qemu:-:*:*:*:*:*:*:*

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History

7 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-7550
NVD Published Date:
03/01/2018
NVD Last Modified:
09/07/2018