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[email protected]CVE-2019-5596

HistoryFeb 12, 2019 - 5:29 a.m.

CVE-2019-5596

2019-02-1205:29:00

[email protected]

web.nvd.nist.gov

cve-2019-5596

freebsd

security bug

unix domain sockets

root privileges

jail escape

7.2 High

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

8.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.5 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

15.9%

JSON

In FreeBSD 11.2-STABLE after r338618 and before r343786, 12.0-STABLE before r343781, and 12.0-RELEASE before 12.0-RELEASE-p3, a bug in the reference count implementation for UNIX domain sockets can cause a file structure to be incorrectly released potentially allowing a malicious local user to gain root privileges or escape from a jail.

Affected configurations

NVD

Node

freebsdfreebsdMatch11.2

freebsdfreebsdMatch12.0

CPENameOperatorVersion
freebsd:freebsdfreebsdeq11.2
freebsd:freebsdfreebsdeq12.0

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

CNA Affected

[
  {
    "product": "FreeBSD",
    "vendor": "FreeBSD",
    "versions": [
      {
        "status": "affected",
        "version": "FreeBSD 12.0 before 12.0-RELEASE-p3"
      }
    ]
  }
]