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AUSCERT Security Bulletin
ASB-2016.0070
A vulnerability has been identified in GNU wget
5 July 2016
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AusCERT Security Bulletin Summary
---------------------------------
Product: GNU wget
Operating System: UNIX variants (UNIX, Linux, OSX)
Windows
Impact/Access: Modify Arbitrary Files -- Remote/Unauthenticated
Resolution: Patch/Upgrade
Member content until: Thursday, August 4 2016
OVERVIEW
A vulnerability has been identified in GNU wget. [1]
IMPACT
The vendor has provided the following information:
"By default, on server redirects to a FTP resource, use the original
URL to get the local file name. Close CVE-2016-4971. This introduces
a backward-incompatibility for HTTP->FTP redirects and any script
that relies on the old behaviour must use --trust-server-names." [1]
MITIGATION
The vendor recommends updating to the latest version. [1]
REFERENCES
[1] GNU wget 1.18 released
http://lists.gnu.org/archive/html/info-gnu/2016-06/msg00004.html
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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