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AUSCERT Security Bulletin
ASB-2018.0157
WordPress 4.9.7 Security and Maintenance Release
17 July 2018
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AusCERT Security Bulletin Summary
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Product: WordPress
Operating System: UNIX variants (UNIX, Linux, OSX)
Windows
Impact/Access: Delete Arbitrary Files -- Existing Account
Resolution: Patch/Upgrade
Member content until: Thursday, August 16 2018
OVERVIEW
A vulnerability has been identified in Wordpress versions prior to
4.9.7 [1]
IMPACT
Wordpress has provided the following information regarding the
vulnerability:
"WordPress versions 4.9.6 and earlier are affected by a media issue that
could potentially allow a user with certain capabilities to attempt to
delete files outside the uploads directory." [1]
MITIGATION
"Download WordPress 4.9.7 or venture over to Dashboard -> Updates and
click "Update Now." Sites that support automatic background updates
are already beginning to update automatically.
The previously scheduled 4.9.7 is now referred to as 4.9.8, and will follow
the release schedule posted yesterday." [1]
REFERENCES
[1] WordPress 4.9.7 Security and Maintenance Release
https://wordpress.org/news/2018/07/wordpress-4-9-7-security-and-maintenance-release/
AusCERT has made every effort to ensure that the information contained
in this document is accurate. However, the decision to use the information
described is the responsibility of each user or organisation. 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.
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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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