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[email protected]CVE-2018-19945

HistoryDec 31, 2020 - 5:15 p.m.

CVE-2018-19945

2020-12-3117:15:12

CWE-284

CWE-73

CWE-22

CWE-20

[email protected]

web.nvd.nist.gov

cve-2018-19945

qnap

qts

vulnerability

file renaming

security issue

8.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

COMPLETE

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

9.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.1 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

42.2%

JSON

A vulnerability has been reported to affect earlier QNAP devices running QTS 4.3.4 to 4.3.6. Caused by improper limitations of a pathname to a restricted directory, this vulnerability allows for renaming arbitrary files on the target system, if exploited. QNAP have already fixed this vulnerability in the following versions: QTS 4.3.6.0895 build 20190328 (and later) QTS 4.3.4.0899 build 20190322 (and later) This issue does not affect QTS 4.4.x or QTS 4.5.x.

Affected configurations

NVD

Node

qnapqtsRange4.3.4–4.3.4.0899

qnapqtsRange4.3.5–4.3.6.0895

CPENameOperatorVersion
qnap:qtsqnap qtslt4.3.4.0899
qnap:qtsqnap qtslt4.3.6.0895

CPE	Name	Operator	Version
qnap:qts	qnap qts	lt	4.3.4.0899
qnap:qts	qnap qts	lt	4.3.6.0895

CNA Affected

[
  {
    "platforms": [
      "build 20190328"
    ],
    "product": "QTS",
    "vendor": "QNAP Systems Inc.",
    "versions": [
      {
        "lessThan": "4.3.6.0895",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  },
  {
    "platforms": [
      "build 20190322"
    ],
    "product": "QTS",
    "vendor": "QNAP Systems Inc.",
    "versions": [
      {
        "lessThan": "4.3.4.0899",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "QTS",
    "vendor": "QNAP Systems Inc.",
    "versions": [
      {
        "status": "unaffected",
        "version": "4.5.x"
      },
      {
        "status": "unaffected",
        "version": "4.4.x"
      }
    ]
  }
]

References

www.qnap.com/zh-tw/security-advisory/qsa-20-21

Social References

8.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

COMPLETE

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

9.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.1 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

42.2%

JSON

Related for CVE-2018-19945

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