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[email protected]CVE-2018-16477

HistoryNov 30, 2018 - 7:29 p.m.

CVE-2018-16477

2018-11-3019:29:00

CWE-200

[email protected]

web.nvd.nist.gov

cve-2018-16477

active storage

google cloud storage

disk services

content-disposition

content-type

html files

cookie bombing

appcache

signed urls

storage path

security vulnerability

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

6.2 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

35.8%

JSON

A bypass vulnerability in Active Storage >= 5.2.0 for Google Cloud Storage and Disk services allow an attacker to modify the content-disposition and content-type parameters which can be used in with HTML files and have them executed inline. Additionally, if combined with other techniques such as cookie bombing and specially crafted AppCache manifests, an attacker can gain access to private signed URLs within a specific storage path. This vulnerability has been fixed in version 5.2.1.1.

Affected configurations

NVD

Node

rubyonrailsrailsRange5.2.0–5.2.1.1

CPENameOperatorVersion
rubyonrails:railsrubyonrails railslt5.2.1.1

CPE	Name	Operator	Version
rubyonrails:rails	rubyonrails rails	lt	5.2.1.1

CNA Affected

[
  {
    "product": "https://github.com/rails/rails",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "5.2.0 and later and before 5.2.1.1"
      }
    ]
  }
]