==========================================================================
Ubuntu Security Notice USN-3449-1
October 11, 2017
nova vulnerabilities
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 14.04 LTS
Summary:
Several security issues were fixed in OpenStack Nova.
Software Description:
– nova: OpenStack Compute cloud infrastructure
Details:
George Shuklin discovered that OpenStack Nova incorrectly handled the
migration process. A remote authenticated user could use this issue to
consume resources, resulting in a denial of service. (CVE-2015-3241)
George Shuklin and Tushar Patil discovered that OpenStack Nova incorrectly
handled deleting instances. A remote authenticated user could use this
issue to consume disk resources, resulting in a denial of service.
(CVE-2015-3280)
It was discovered that OpenStack Nova incorrectly limited qemu-img calls. A
remote authenticated user could use this issue to consume resources,
resulting in a denial of service. (CVE-2015-5162)
Matthew Booth discovered that OpenStack Nova incorrectly handled snapshots.
A remote authenticated user could use this issue to read arbitrary files.
(CVE-2015-7548)
Sreekumar S. and Suntao discovered that OpenStack Nova incorrectly applied
security group changes. A remote attacker could possibly use this issue to
bypass intended restriction changes by leveraging an instance that was
running when the change was made. (CVE-2015-7713)
Matt Riedemann discovered that OpenStack Nova incorrectly handled logging.
A local attacker could possibly use this issue to obtain sensitive
information from log files. (CVE-2015-8749)
Matthew Booth discovered that OpenStack Nova incorrectly handled certain
qcow2 headers. A remote authenticated user could possibly use this issue to
read arbitrary files. (CVE-2016-2140)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 14.04 LTS:
python-nova 1:2014.1.5-0ubuntu1.7
In general, a standard system update will make all the necessary changes.
References:
https://www.ubuntu.com/usn/usn-3449-1
CVE-2015-3241, CVE-2015-3280, CVE-2015-5162, CVE-2015-7548,
CVE-2015-7713, CVE-2015-8749, CVE-2016-2140
Package Information:
https://launchpad.net/ubuntu/+source/nova/1:2014.1.5-0ubuntu1.7
—–BEGIN PGP SIGNATURE—–
Version: GnuPG v2
iQIcBAEBCgAGBQJZ3huHAAoJEGVp2FWnRL6T05gQALg0HW0Hk1XDpKPqTQEoBct1
Z6hSGlwLeNJJ2BEGyJcnx1Zgswe1GP5NjcqxEy4Hrhhxeuvaq7gjD15M9IPmcvJS
8n7gTTX2x5wENSm/TMTk7VxZ7iWk5Cay5i8HgfwQ/jQhjiZquMlqi+XUbvsyNAtu
J1FVRsAcDopm8J0xazAWBcoEcCsnVv3qYyUdWjmMkacb7KRXgFxFjkaxC2YzACfm
nEyeyBhHF+UPt9HezVjSNndkVeZwWuSKkRLAE2sSfJukSbFioytaXDB0LwjBJPnk
3CqdfCQ7OacxzoyMgORLrrmN6MlNfAOqlKx7BEA1yQxDp1f2nyeWHgYN3DwJzDHS
V2KNotnS5Lmk4Ot6juys5Zrn7Wr8lr7cgdqwBkDzglpsCq7NyklIKOlvfz/fdgXB
ABrjqx9SVA3vgkuhTwKyVtNZLBbTXnuOcyzUUvj2drxExiQiq8JlBZTAEvLfXREB
sEvprxsiIGqKVJrxBd3iZT7Ky0cUDFf1IHocudFpM1aMzfccJ4BUjqqX9ArkJnGz
hZKHKM7ik6D6Jiq23WkQ7M5GYS56s2QEFUQurBPl/Cs5KKjCK/xJ69btuyR+Nfad
f87oYhjwM5tWGG3tgV8UYr6VswiweMK6TzGYDhmEkWDeI9H3nsAMBLivYqd+nKCU
C65CjVIX+BftGfaqLljV
=hRLD
—–END PGP SIGNATURE—–
—
