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[email protected]CVE-2019-11044

HistoryDec 23, 2019 - 3:15 a.m.

CVE-2019-11044

2019-12-2303:15:10

CWE-170

[email protected]

web.nvd.nist.gov

329

php

link()

function

vulnerability

cve-2019-11044

security

nvd

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

8.4 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

54.9%

JSON

In PHP versions 7.2.x below 7.2.26, 7.3.x below 7.3.13 and 7.4.0 on Windows, PHP link() function accepts filenames with embedded \0 byte and treats them as terminating at that byte. This could lead to security vulnerabilities, e.g. in applications checking paths that the code is allowed to access.

Affected configurations

NVD

Node

phpphpRange7.2.0–7.2.26

phpphpRange7.3.0–7.3.13

phpphpMatch7.4.0

Node

tenablesecuritycenterRange<5.19.0

Node

fedoraprojectfedoraMatch30

fedoraprojectfedoraMatch31

CPENameOperatorVersion
php:phpphple7.2.26
php:phpphple7.3.13
php:phpphpeq7.4.0

CPE	Name	Operator	Version
php:php	php	le	7.2.26
php:php	php	le	7.3.13
php:php	php	eq	7.4.0

CNA Affected

[
  {
    "platforms": [
      "Windows"
    ],
    "product": "PHP",
    "vendor": "PHP Group",
    "versions": [
      {
        "lessThan": "7.2.26",
        "status": "affected",
        "version": "7.2.x",
        "versionType": "custom"
      },
      {
        "lessThan": "7.3.13",
        "status": "affected",
        "version": "7.3.x",
        "versionType": "custom"
      },
      {
        "lessThan": "7.4.1",
        "status": "affected",
        "version": "7.4.x",
        "versionType": "custom"
      }
    ]
  }
]