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AUSCERT External Security Bulletin Redistribution
ESB-2020.3319
mediawiki security update
28 September 2020
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: mediawiki
Publisher: Debian
Operating System: Debian GNU/Linux 9
Impact/Access: Cross-site Scripting -- Unknown/Unspecified
Access Confidential Data -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2020-25828 CVE-2020-25827 CVE-2020-25814
CVE-2020-25813
Reference: ESB-2020.3316
Original Bulletin:
https://lists.debian.org/debian-lts-announce/2020/09/msg00017.html
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Debian LTS Advisory DLA-2379-1 debian-lts@lists.debian.org
https://www.debian.org/lts/security/ Roberto C. S=E1nchez
September 25, 2020 https://wiki.debian.org/LTS
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Package : mediawiki
Version : 1:1.27.7-1~deb9u4
CVE ID : CVE-2020-25813 CVE-2020-25814 CVE-2020-25827 CVE-2020-25828
Multiple security issues were discovered in MediaWiki, a website engine
for collaborative work: SpecialUserRights could leak whether a user
existed or not, multiple code paths lacked HTML sanitisation allowing
for cross-site scripting and TOTP validation applied insufficient rate
limiting against brute force attempts.
For Debian 9 stretch, these problems have been fixed in version
1:1.27.7-1~deb9u4.
We recommend that you upgrade your mediawiki packages.
For the detailed security status of mediawiki please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/mediawiki
Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
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NOTE: Third Party Rights
This security bulletin is provided as a service to AusCERT's members. As
AusCERT did not write the document quoted above, AusCERT has had no control
over its content. The decision to follow or act on information or advice
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which may arise from following or acting on information or advice contained in
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NOTE: This is only the original release of the security bulletin. It may
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Contact information for the authors of the original document is included
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Previous advisories and external security bulletins can be retrieved from:
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===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072
Internet Email: auscert@auscert.org.au
Facsimile: (07) 3365 7031
Telephone: (07) 3365 4417 (International: +61 7 3365 4417)
AusCERT personnel answer during Queensland business hours
which are GMT+10:00 (AEST).
On call after hours for member emergencies only.
===========================================================================
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