Objavljena je revizija sigurnosne preporuke oznake USN-1465-1, a vezane uz propust paketa Ubuntu One Client kojeg je udaljeni napadač mogao iskoristiti za otkrivanje osjetljivih informacija.
Ubuntu Linux 10.04, Ubuntu Linux 11.04, Ubuntu Linux 11.10, Ubuntu Linux 12.04
Problem:
pogreška u programskoj komponenti
Iskorištavanje:
udaljeno
Posljedica:
otkrivanje osjetljivih informacija
Rješenje:
programska zakrpa proizvođača
CVE:
CVE-2011-4409
Izvorni ID preporuke:
USN-1465-2
Izvor:
Ubuntu
Problem:
Propust je uzrokovan neodgovarajućom provjerom valjanosti certifikata poslužitelja. Revizija je objavljena zbog izdavanja zakrpa za paket ubuntuone-storage-protocol.
Posljedica:
Napadaču omogućuje otkrivanje osjetljivih informacija.
Rješenje:
Korisnicima se preporuča instalacija odgovarajuće nadogradnje.
==========================================================================
Ubuntu Security Notice USN-1465-2
June 06, 2012
ubuntuone-storage-protocol update
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.04 LTS
- Ubuntu 11.10
- Ubuntu 11.04
- Ubuntu 10.04 LTS
Summary:
Fraudulent security certificates could allow sensitive information to
be exposed when accessing the Internet.
Software Description:
- ubuntuone-storage-protocol: Python library for Ubuntu One file storage and
sharing service
Details:
USN-1465-1 fixed a vulnerability in the Ubuntu One Client. This update adds
a required fix to the Ubuntu One storage protocol library.
Original advisory details:
It was discovered that the Ubuntu One Client incorrectly validated server
certificates when using HTTPS connections. If a remote attacker were able
to perform a man-in-the-middle attack, this flaw could be exploited to
alter or compromise confidential information.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 12.04 LTS:
python-ubuntuone-storageprotocol 3.0.0-0ubuntu1.1
Ubuntu 11.10:
python-ubuntuone-storageprotocol 2.0.1-0ubuntu1.1
Ubuntu 11.04:
python-ubuntuone-storageprotocol 1.6.1-0ubuntu1.2
Ubuntu 10.04 LTS:
python-ubuntuone-storageprotocol 1.2.0-0ubuntu1.1
In general, a standard system update will make all the necessary changes.
References:
http://www.ubuntu.com/usn/usn-1465-2
http://www.ubuntu.com/usn/usn-1465-1
CVE-2011-4409
Package Information:
https://launchpad.net/ubuntu/+source/ubuntuone-storage-protocol/3.0.0-0ubuntu1.1
https://launchpad.net/ubuntu/+source/ubuntuone-storage-protocol/2.0.1-0ubuntu1.1
https://launchpad.net/ubuntu/+source/ubuntuone-storage-protocol/1.6.1-0ubuntu1.2
https://launchpad.net/ubuntu/+source/ubuntuone-storage-protocol/1.2.0-0ubuntu1.1
Posljednje sigurnosne preporuke