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AUSCERT External Security Bulletin Redistribution
ESB-2020.3338
mediawiki regression update
29 September 2020
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: mediawiki
Publisher: Debian
Operating System: Debian GNU/Linux 9
Impact/Access: Denial of Service -- Unknown/Unspecified
Resolution: Patch/Upgrade
CVE Names: CVE-2020-25827
Reference: ESB-2020.3319
ESB-2020.3316
Original Bulletin:
https://lists.debian.org/debian-lts-announce/2020/09/msg00028.html
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Debian LTS Advisory DLA-2379-2 debian-lts@lists.debian.org
https://www.debian.org/lts/security/ Roberto C. S=E1nchez
September 28, 2020 https://wiki.debian.org/LTS
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Package : mediawiki
Version : 1:1.27.7-1~deb9u5
Debian Bug : 971264
The update of mediawiki released as DLA-2379-1 contained a defect in the
patch for CVE-2020-25827 which caused all pages to fail to render,
producing instead a syntax error. Updated mediawiki packages are now
available to correct this issue.
For Debian 9 stretch, this problem has been fixed in version
1:1.27.7-1~deb9u5.
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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You have received this e-mail bulletin as a result of your organisation's
registration with AusCERT. The mailing list you are subscribed to is
maintained within your organisation, so if you do not wish to continue
receiving these bulletins you should contact your local IT manager. If
you do not know who that is, please send an email to auscert@auscert.org.au
and we will forward your request to the appropriate person.
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
contained in this security bulletin is the responsibility of each user or
organisation, and should be considered in accordance with your organisation's
site policies and procedures. AusCERT takes no responsibility for consequences
which may arise from following or acting on information or advice contained in
this security bulletin.
NOTE: This is only the original release of the security bulletin. It may
not be updated when updates to the original are made. If downloading at
a later date, it is recommended that the bulletin is retrieved directly
from the author's website to ensure that the information is still current.
Contact information for the authors of the original document is included
in the Security Bulletin above. If you have any questions or need further
information, please contact them directly.
Previous advisories and external security bulletins can be retrieved from:
https://www.auscert.org.au/bulletins/
===========================================================================
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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