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AUSCERT External Security Bulletin Redistribution
ESB-2015.2456
owncloud-client security update
21 September 2015
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AusCERT Security Bulletin Summary
---------------------------------
Product: owncloud-client
Publisher: Debian
Operating System: Debian GNU/Linux 8
UNIX variants (UNIX, Linux, OSX)
Windows
Impact/Access: Provide Misleading Information -- Remote with User Interaction
Unauthorised Access -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2015-4456
Original Bulletin:
http://www.debian.org/security/2015/dsa-3363
Comment: This advisory references vulnerabilities in products which run on
platforms other than Debian. It is recommended that administrators
running owncloud-client check for an updated version of the software
for their operating system.
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Debian Security Advisory DSA-3363-1 security@debian.org
https://www.debian.org/security/ Luciano Bello
September 20, 2015 https://www.debian.org/security/faq
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Package : owncloud-client
CVE ID : CVE-2015-4456
Johannes Kliemann discovered a vulnerability in ownCloud Desktop Client,
the client-side of the ownCloud file sharing services. The vulnerability
allows man-in-the-middle attacks in situations where the server is using
self-signed certificates and the connection is already established. If
the user in the client side manually distrusts the new certificate, the
file syncing will continue using the malicious server as valid.
For the stable distribution (jessie), this problem has been fixed in
version 1.7.0~beta1+really1.6.4+dfsg-1+deb8u1.
For the testing distribution (stretch), this problem has been fixed
in version 1.8.4+dfsg-1.
For the unstable distribution (sid), this problem has been fixed in
version 1.8.4+dfsg-1.
We recommend that you upgrade your owncloud-client 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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