oss-security - [CVE-2021-44140] Apache JSPWiki Arbitrary file deletion on logout

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Message-ID: <CAMufup5fSgM0DomnAeiQJYx9rO5yyGRJDiHKvs2cqs0VztZLZQ@mail.gmail.com>
Date: Tue, 23 Nov 2021 12:27:24 +0100
From: Juan Pablo Santos Rodríguez <juanpablo.santos@...il.com>
To: announce@...che.org, dev@...wiki.apache.org, user@...wiki.apache.org, 
	Apache Security Team <security@...che.org>, bo yu <forhaby0@...il.com>, 
	oss-security@...ts.openwall.com
Subject: [CVE-2021-44140] Apache JSPWiki Arbitrary file deletion on logout

Severity
Critical

Vendor
The Apache Software Foundation

Versions Affected
Apache JSPWiki up to 2.11.0.M8

Description
Remote attackers may delete arbitrary files in a system hosting a
JSPWiki instance by using a carefuly crafted http request on logout,
given that those files are reachable to the user running the JSPWiki
instance.

Mitigation
Apache JSPWiki users should upgrade to 2.11.0 or later.

Credit
This issue was discovered by haby0 (forhaby0@...il.com) from Duxiaoman
Financial Security Team, who also proposed the fix for this issue.

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