Vulnerability Name:

CVE-2020-29004 (CCN-195854)

Assigned:2020-12-22
Published:2020-12-22
Updated:2021-02-03
Summary:The API in the Push extension for MediaWiki through 1.35 did not require an edit token in ApiPushBase.php and therefore facilitated a CSRF attack.
CVSS v3 Severity:8.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
7.7 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
8.8 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
7.7 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:6.8 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
9.0 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-352
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2020-29004

Source: XF
Type: UNKNOWN
mediawiki-cve202029004-csrf(195854)

Source: CCN
Type: MediaWiki Web site
Make compatible with mw 1.35

Source: MISC
Type: Patch, Vendor Advisory
https://gerrit.wikimedia.org/r/c/mediawiki/extensions/Push/+/625988

Source: CONFIRM
Type: Patch, Vendor Advisory
https://gerrit.wikimedia.org/r/c/mediawiki/extensions/Push/+/625988/10/src/api/ApiPushBase.php

Source: CCN
Type: Phabricator Web page
Push extension exposes login credentials (CVE-2020-29004, CVE-2020-29005)

Source: MISC
Type: Issue Tracking, Patch, Vendor Advisory
https://phabricator.wikimedia.org/T262724

Vulnerable Configuration:Configuration 1:
  • cpe:/a:mediawiki:mediawiki:*:*:*:*:*:*:*:* (Version <= 1.35)

    • Configuration CCN 1:
  • cpe:/a:mediawiki:mediawiki:1.35:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    mediawiki mediawiki *
    mediawiki mediawiki 1.35