Protect yourself against future threats.
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AUSCERT External Security Bulletin Redistribution
ESB-2014.2019
wget security update
3 November 2014
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: wget
Publisher: Debian
Operating System: Debian GNU/Linux 7
UNIX variants (UNIX, Linux, OSX)
Windows
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
Create Arbitrary Files -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2014-4877
Reference: ESB-2014.2006
Original Bulletin:
http://www.debian.org/security/2014/dsa-3062
Comment: This advisory references vulnerabilities in products which run on
platforms other than Debian. It is recommended that administrators
running wget check for an updated version of the software for their
operating system.
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Debian Security Advisory DSA-3062-1 security@debian.org
http://www.debian.org/security/ Luciano Bello
November 01, 2014 http://www.debian.org/security/faq
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Package : wget
CVE ID : CVE-2014-4877
Debian Bug : 766981
HD Moore of Rapid7 discovered a symlink attack in Wget, a command-line
utility to retrieve files via HTTP, HTTPS, and FTP. The vulnerability
allows to create arbitrary files on the user's system when Wget runs in
recursive mode against a malicious FTP server. Arbitrary file creation
may override content of user's files or permit remote code execution with
the user privilege.
This update changes the default setting in Wget such that it no longer
creates local symbolic links, but rather traverses them and retrieves the
pointed-to file in such a retrieval.
For the stable distribution (wheezy), this problem has been fixed in
version 1.13.4-3+deb7u2.
For the unstable distribution (sid), this problem has been fixed in
version 1.16-1.
We recommend that you upgrade your wget packages.
Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/
Mailing list: debian-security-announce@lists.debian.org
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