Bug 2048941 (CVE-2021-46149) - CVE-2021-46149 mediawiki: searching for a very long key may lead to DoS
Summary: CVE-2021-46149 mediawiki: searching for a very long key may lead to DoS
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2021-46149
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2048942
Blocks: 2048943
TreeView+ depends on / blocked
 
Reported: 2022-02-01 08:44 UTC by Marian Rehak
Modified: 2022-09-26 19:03 UTC (History)
11 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
Environment:
Last Closed: 2022-02-03 18:29:31 UTC
Embargoed:

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Description Marian Rehak 2022-02-01 08:44:49 UTC 
A denial of service (resource consumption) can be accomplished by searching for a very long key in a Language Name Search.

Reference:

https://phabricator.wikimedia.org/T293749
Comment 1 Marian Rehak 2022-02-01 08:45:02 UTC 
Created mediawiki tracking bugs for this issue:

Affects: fedora-all [bug 2048942]
Comment 2 Michael Cronenworth 2022-02-01 14:27:39 UTC 
Please stop opening these bugs.

These are against extensions that are NOT shipped in the mediawiki package.
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