CVE-2017-2615

Advisory lineage Upstream: 0 Downstream: 31
Modified
Published: 02 Jul 2018, 18:00
Last modified:05 Aug 2024, 14:02

Vulnerability Summary

Overall Risk (default)
high
70/100
CVSS Score
9.1 CRITICAL
v3.0 (nvd)
EPSS Score
1.01% LOW
1% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

02 Jul 2018, 18:00
Published
Vulnerability first disclosed
05 Aug 2024, 14:02
Last Modified
Vulnerability information updated

Description

Quick emulator (QEMU) built with the Cirrus CLGD 54xx VGA emulator support is vulnerable to an out-of-bounds access issue. It could occur while copying VGA data via bitblt copy in backward mode. A privileged user inside a guest could use this flaw to crash the QEMU process resulting in DoS or potentially execute arbitrary code on the host with privileges of QEMU process on the host.

CVSS Metrics

  • v3.0•MEDIUM•Score: 5.5CVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L
  • v3.0•CRITICAL•Score: 9.1CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
  • v2.0•HIGH•Score: 9AV:N/AC:L/Au:S/C:C/I:C/A:C

EPSS Trends

Current EPSS score: 1.01%• Percentile: 77%

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.

Affected Systems

  • citrix•xenserver

    6.0.2 | 6.2.0:sp1 | 6.5:sp1 | 7.0 | 7.1

  • debian•debian_linux

    7.0

  • qemu•display

    n/a

  • qemu•qemu

    ≤ 2.8.0

  • redhat•enterprise_linux_desktop

    6.0 | 7.0

  • redhat•enterprise_linux_server

    6.0 | 7.0

  • redhat•enterprise_linux_server_aus

    7.3 | 7.4

  • redhat•enterprise_linux_server_eus

    7.3 | 7.4 | 7.5

  • redhat•enterprise_linux_workstation

    6.0 | 7.0

  • redhat•openstack

    5.0 | 6.0 | 7.0 | 8 | 9 | 10

  • xen•xen

    ≤ 4.7.1 | 4.7.1:r1 | 4.7.1:r2 | 4.7.1:r3 | 4.7.1:r4

References (21)