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[email protected]CVE-2017-8814

HistoryNov 15, 2017 - 8:29 a.m.

CVE-2017-8814

2017-11-1508:29:00

CWE-20

[email protected]

web.nvd.nist.gov

cve-2017-8814

mediawiki

security vulnerability

text replacement

nvd

language converter

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

8.2 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

62.2%

JSON

The language converter in MediaWiki before 1.27.4, 1.28.x before 1.28.3, and 1.29.x before 1.29.2 allows attackers to replace text inside tags via a rule definition followed by “a lot of junk.”

Affected configurations

NVD

Node

mediawikimediawikiRange≤1.27.3

mediawikimediawikiMatch1.28.0

mediawikimediawikiMatch1.28.1

mediawikimediawikiMatch1.28.2

mediawikimediawikiMatch1.29.0

mediawikimediawikiMatch1.29.1

Node

debiandebian_linuxMatch9.0

CPENameOperatorVersion
mediawiki:mediawikimediawikile1.27.3
mediawiki:mediawikimediawikieq1.28.0
mediawiki:mediawikimediawikieq1.28.1
mediawiki:mediawikimediawikieq1.28.2
mediawiki:mediawikimediawikieq1.29.0
mediawiki:mediawikimediawikieq1.29.1

CPE	Name	Operator	Version
mediawiki:mediawiki	mediawiki	le	1.27.3
mediawiki:mediawiki	mediawiki	eq	1.28.0
mediawiki:mediawiki	mediawiki	eq	1.28.1
mediawiki:mediawiki	mediawiki	eq	1.28.2
mediawiki:mediawiki	mediawiki	eq	1.29.0
mediawiki:mediawiki	mediawiki	eq	1.29.1

CNA Affected

[
  {
    "product": "MediaWiki before 1.27.4, 1.28.x before 1.28.3, and 1.29.x before 1.29.2",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "MediaWiki before 1.27.4, 1.28.x before 1.28.3, and 1.29.x before 1.29.2"
      }
    ]
  }
]