Vulnerability Monitor

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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.

Published

2018-03-01T17:29:00.523

Last Modified

2024-11-21T04:12:20.860

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 8.8 (HIGH)

CVSSv2 Vector

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

  • Access Vector: LOCAL
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: PARTIAL
  • Availability Impact: PARTIAL
Exploitability Score

3.9

Impact Score

6.4

Weaknesses
  • Type: Primary
    CWE-125
    CWE-787
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application qemu qemu ≤ 2.11.1 Yes
Operating System debian debian_linux 7.0 Yes
Operating System debian debian_linux 8.0 Yes
Operating System debian debian_linux 9.0 Yes
Operating System canonical ubuntu_linux 14.04 Yes
Operating System canonical ubuntu_linux 16.04 Yes
Operating System canonical ubuntu_linux 17.10 Yes
Operating System canonical ubuntu_linux 18.04 Yes
Operating System redhat enterprise_linux_desktop 7.0 Yes
Operating System redhat enterprise_linux_server 7.0 Yes
Operating System redhat enterprise_linux_server_aus 7.6 Yes
Operating System redhat enterprise_linux_server_aus 7.7 Yes
Operating System redhat enterprise_linux_server_eus 7.5 Yes
Operating System redhat enterprise_linux_server_eus 7.6 Yes
Operating System redhat enterprise_linux_server_eus 7.7 Yes
Operating System redhat enterprise_linux_server_tus 7.6 Yes
Operating System redhat enterprise_linux_server_tus 7.7 Yes
Operating System redhat enterprise_linux_workstation 7.0 Yes
References