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[email protected]CVE-2017-2620

HistoryJul 27, 2018 - 7:29 p.m.

CVE-2017-2620

2018-07-2719:29:00

CWE-787

CWE-125

[email protected]

web.nvd.nist.gov

122

cve-2017-2620

qemu

cirrus clgd 54xx

vulnerability

out-of-bounds access

nvd

security

emulation

9 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

9.9 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.9 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

51.2%

JSON

Quick emulator (QEMU) before 2.8 built with the Cirrus CLGD 54xx VGA Emulator support is vulnerable to an out-of-bounds access issue. The issue could occur while copying VGA data in cirrus_bitblt_cputovideo. A privileged user inside guest could use this flaw to crash the QEMU process OR potentially execute arbitrary code on host with privileges of the QEMU process.

Affected configurations

Vulners

NVD

Node

qemuqemuRange≤2.8

VendorProductVersionCPE
qemuqemu*cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
qemu	qemu	*	cpe:2.3:a:qemu:qemu::::::::

CNA Affected

[
  {
    "product": "Qemu:",
    "vendor": "QEMU",
    "versions": [
      {
        "status": "affected",
        "version": "2.8"
      }
    ]
  }
]