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AUSCERT External Security Bulletin Redistribution
ESB-2021.3992
Apache JSPWiki Cross-site scripting vulnerability on Denounce plugin
24 November 2021
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AusCERT Security Bulletin Summary
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Product: Apache JSPWiki
Publisher: The Apache Software Foundation
Operating System: Windows
UNIX variants (UNIX, Linux, OSX)
Impact/Access: Cross-site Scripting -- Remote with User Interaction
Delete Arbitrary Files -- Remote with User Interaction
Access Confidential Data -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2021-40369
Original Bulletin:
https://jspwiki-wiki.apache.org/Wiki.jsp?page=CVE-2021-40369
https://jspwiki-wiki.apache.org/Wiki.jsp?page=CVE-2021-44140
Comment: This bulletin contains two (2) The Apache Software Foundation
security advisories.
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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@gmail.com) from Duxiaoman
Financial Security Team, who also proposed the fix for this issue.
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Severity
Medium
Vendor
The Apache Software Foundation
Versions Affected
Apache JSPWiki up to 2.11.0.M8
Description
A carefully crafted plugin link invocation could trigger an XSS
vulnerability on Apache JSPWiki, related to the Denounce plugin, which
could allow the attacker to execute javascript in the victim's browser
and get some sensitive information about the victim.
Mitigation
Apache JSPWiki users should upgrade to 2.11.0 or later.
Credit
This issue was discovered by map1e (root@lazymaple.pw).
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