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[email protected]CVE-2017-7844

HistoryJun 11, 2018 - 9:29 p.m.

CVE-2017-7844

2018-06-1121:29:11

CWE-200

[email protected]

web.nvd.nist.gov

security

vulnerability

cve-2017-7844

firefox

svg

image

anchor links

user history

nvd

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

6.1 Medium

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

65.4%

JSON

A combination of an external SVG image referenced on a page and the coloring of anchor links stored within this image can be used to determine which pages a user has in their history. This can allow a malicious website to query user history. Note: This issue only affects Firefox 57. Earlier releases are not affected. This vulnerability affects Firefox < 57.0.1.

Affected configurations

Vulners

NVD

Node

mozillafirefoxRange≤57.0.1

VendorProductVersionCPE
mozillafirefox*cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
mozilla	firefox	*	cpe:2.3:a:mozilla:firefox::::::::

CNA Affected

[
  {
    "product": "Firefox",
    "vendor": "Mozilla",
    "versions": [
      {
        "lessThan": "57.0.1",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]