CVE-2017-2633

Advisory lineage Upstream: 0 Downstream: 13
Modified
Published: 27 Jul 2018, 19:00
Last modified:05 Aug 2024, 14:02

Vulnerability Summary

Overall Risk (default)
medium
26/100
CVSS Score
6.5 MEDIUM
v3.0 (nvd)
EPSS Score
0.56% LOW
1% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

27 Jul 2018, 19:00
Published
Vulnerability first disclosed
05 Aug 2024, 14:02
Last Modified
Vulnerability information updated

Description

An out-of-bounds memory access issue was found in Quick Emulator (QEMU) before 1.7.2 in the VNC display driver. This flaw could occur while refreshing the VNC display surface area in the 'vnc_refresh_server_surface'. A user inside a guest could use this flaw to crash the QEMU process.

CVSS Metrics

  • v3.0•MEDIUM•Score: 5.4CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:L
  • v3.0•MEDIUM•Score: 6.5CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  • v2.0•MEDIUM•Score: 4AV:N/AC:L/Au:S/C:N/I:N/A:P

EPSS Trends

Current EPSS score: 0.56%• Percentile: 69%

Techniques & Countermeasures

  • CWE-125•Out-of-bounds Read

    The product reads data past the end, or before the beginning, of the intended buffer.

  • CWE-787•Out-of-bounds Write

    The product writes data past the end, or before the beginning, of the intended buffer.

  • CWE-120•Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

    The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.

Affected Systems

  • qemu•qemu

    < 1.7.2

  • qemu•qemu:

    1.7.2

  • redhat•enterprise_linux_desktop

    6.0 | 7.0

  • redhat•enterprise_linux_server

    6.0 | 7.0

  • redhat•enterprise_linux_server_aus

    7.4

  • redhat•enterprise_linux_server_eus

    7.4 | 7.5

  • redhat•enterprise_linux_workstation

    6.0 | 7.0

References (9)