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[email protected]CVE-2019-5609

HistoryAug 30, 2019 - 9:15 a.m.

CVE-2019-5609

2019-08-3009:15:20

CWE-787

[email protected]

web.nvd.nist.gov

freebsd

cve-2019-5609

bhyve

e1000

emulation

vulnerability

nvd

6.4 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

7.4 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

38.7%

JSON

In FreeBSD 12.0-STABLE before r350619, 12.0-RELEASE before 12.0-RELEASE-p9, 11.3-STABLE before r350619, 11.3-RELEASE before 11.3-RELEASE-p2, and 11.2-RELEASE before 11.2-RELEASE-p13, the bhyve e1000 device emulation used a guest-provided value to determine the size of the on-stack buffer without validation when TCP segmentation offload is requested for a transmitted packet. A misbehaving bhyve guest could overwrite memory in the bhyve process on the host.

Affected configurations

NVD

Node

freebsdfreebsdMatch11.2-

freebsdfreebsdMatch11.2p10

freebsdfreebsdMatch11.2p11

freebsdfreebsdMatch11.2p12

freebsdfreebsdMatch11.2p13

freebsdfreebsdMatch11.2p2

freebsdfreebsdMatch11.2p3

freebsdfreebsdMatch11.2p4

freebsdfreebsdMatch11.2p5

freebsdfreebsdMatch11.2p6

freebsdfreebsdMatch11.2p7

freebsdfreebsdMatch11.2p8

freebsdfreebsdMatch11.2p9

freebsdfreebsdMatch11.3

freebsdfreebsdMatch11.3-

freebsdfreebsdMatch11.3p1

freebsdfreebsdMatch11.3p2

freebsdfreebsdMatch11.3p3

freebsdfreebsdMatch12.0-

freebsdfreebsdMatch12.0p1

freebsdfreebsdMatch12.0p3

freebsdfreebsdMatch12.0p4

freebsdfreebsdMatch12.0p5

freebsdfreebsdMatch12.0p8

CPENameOperatorVersion
freebsd:freebsdfreebsdeq11.2
freebsd:freebsdfreebsdeq11.3
freebsd:freebsdfreebsdeq12.0

CPE	Name	Operator	Version
freebsd:freebsd	freebsd	eq	11.2
freebsd:freebsd	freebsd	eq	11.3
freebsd:freebsd	freebsd	eq	12.0

CNA Affected

[
  {
    "product": "FreeBSD",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "before 12.0-RELEASE-p9"
      },
      {
        "status": "affected",
        "version": "before 11.3-RELEASE-p2"
      },
      {
        "status": "affected",
        "version": "and before 11.2-RELEASE-p13"
      }
    ]
  }
]