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[email protected]CVE-2017-6920

HistoryAug 06, 2018 - 3:29 p.m.

CVE-2017-6920

2018-08-0615:29:00

CWE-19

[email protected]

web.nvd.nist.gov

cve-2017-6920

drupal

security vulnerability

remote code execution

pecl

yaml parser

nvd

7.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.7 High

AI Score

Confidence

High

0.066 Low

EPSS

Percentile

93.8%

JSON

Drupal core 8 before versions 8.3.4 allows remote attackers to execute arbitrary code due to the PECL YAML parser not handling PHP objects safely during certain operations.

Affected configurations

NVD

Node

drupaldrupalRange8.0.0–8.3.4

CPENameOperatorVersion
drupal:drupaldrupallt8.3.4

CPE	Name	Operator	Version
drupal:drupal	drupal	lt	8.3.4

CNA Affected

[
  {
    "product": "Drupal Core",
    "vendor": "Drupal.org",
    "versions": [
      {
        "status": "affected",
        "version": "8 prior to 8.3.4"
      }
    ]
  }
]