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AUSCERT Security Bulletin
ASB-2018.0039
Mozilla Foundation Security Advisory 2018-05
30 January 2018
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AusCERT Security Bulletin Summary
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Product: Mozilla Firefox
Operating System: UNIX variants (UNIX, Linux, OSX)
Windows
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2018-5124
Member content until: Thursday, March 1 2018
OVERVIEW
A critical vulnerability has been identified in Mozilla Firefox prior
to version 58.0.1. [1]
IMPACT
Mozilla have provided the following details regarding the
vulnerability:
"Arbitrary code execution through unsanitized browser UI
ANNOUNCED January 29, 2018
REPORTER Johann Hofmann
IMPACT CRITICAL
PRODUCTS Firefox
FIXED IN Firefox 58.0.1
Description
Mozilla developer Johann Hofmann reported that unsanitized output in
the browser UI can lead to arbitrary code execution.
This issue did not affect Firefox for Android or Firefox 52 ESR."
MITIGATION
Users are advised to update to the latest versions to address these
issues. [1]
REFERENCES
[1] Mozilla Foundation Security Advisory 2018-05
https://www.mozilla.org/en-US/security/advisories/mfsa2018-05/
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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