CVE-2018-7550

high

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.

References

Advisories
More

https://www.debian.org/security/2018/dsa-4213

https://usn.ubuntu.com/3649-1/

https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html

https://lists.debian.org/debian-lts-announce/2018/04/msg00016.html

https://lists.debian.org/debian-lts-announce/2018/04/msg00015.html

https://access.redhat.com/errata/RHSA-2018:2462

https://access.redhat.com/errata/RHSA-2018:1369

http://www.securityfocus.com/bid/103181

https://lists.gnu.org/archive/html/qemu-devel/2018-02/msg06890.html

https://github.com/orangecertcc/security-research/security/advisories/GHSA-f49v-45qp-cv53

https://bugzilla.redhat.com/show_bug.cgi?id=1549798

Details

Source: Mitre, NVD

Published: 2018-03-01

Updated: 2024-11-21

Risk Information

CVSS v2

Base Score: 4.6

Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 8.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.00143