767346 – (CVE-2021-21275) www-apps/mediawiki: CSRF vulnerability on Special:Report (CVE-2021-21275)

Bug 767346 (CVE-2021-21275) - www-apps/mediawiki: CSRF vulnerability on Special:Report (CVE-2021-21275)

Summary: www-apps/mediawiki: CSRF vulnerability on Special:Report (CVE-2021-21275)

Status:	RESOLVED INVALID

Alias:	CVE-2021-21275

Product:	Gentoo Security
Classification:	Unclassified
Component:	Vulnerabilities (show other bugs)
Hardware:	All Linux

Importance:	Normal minor (vote)
Assignee:	Gentoo Security

URL:	https://github.com/Kenny2github/Repor...
Whiteboard:	B4 [upstream/ebuild]
Keywords:

Depends on:
Blocks:

Reported:	2021-01-26 19:23 UTC by John Helmert III
Modified:	2021-01-26 19:38 UTC (History)
CC List:	2 users (show)

See Also:
Package list:
Runtime testing required:	---

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Description John Helmert III archtester

2021-01-26 19:23:31 UTC

CVE-2021-21275:

The MediaWiki "Report" extension has a Cross-Site Request Forgery (CSRF) vulnerability. Before fixed version, there was no protection against CSRF checks on Special:Report, so requests to report a revision could be forged.

The problem has been fixed in commit f828dc6 by making use of MediaWiki edit tokens.


Patch: https://github.com/Kenny2github/Report/commit/f828dc6f73cdfaea5639edbf8ac7b326eeefb117
It seems like the patch comes from the reporter's fork and this isn't merged
upstream (at least I can't find it in their repo).

Comment 1 Brian Evans (RETIRED) gentoo-dev

2021-01-26 19:31:03 UTC

I for one call this INVALID as a Gentoo bug since "Report" is a user download and not included with any version of MediaWiki packaged or otherwise.

Comment 2 John Helmert III archtester

2021-01-26 19:38:18 UTC

Makes sense to me, thanks!