Category Archives: Ubuntu

Ubuntu Security Notices

USN-2347-1: Django vulnerabilities

Ubuntu Security Notice USN-2347-1

16th September, 2014

python-django vulnerabilities

A security issue affects these releases of Ubuntu and its
derivatives:

  • Ubuntu 14.04 LTS
  • Ubuntu 12.04 LTS
  • Ubuntu 10.04 LTS

Summary

Several security issues were fixed in Django.

Software description

  • python-django
    – High-level Python web development framework

Details

Florian Apolloner discovered that Django incorrectly validated URLs. A
remote attacker could use this issue to conduct phishing attacks.
(CVE-2014-0480)

David Wilson discovered that Django incorrectly handled file name
generation. A remote attacker could use this issue to cause Django to
consume resources, resulting in a denial of service. (CVE-2014-0481)

David Greisen discovered that Django incorrectly handled certain headers in
contrib.auth.middleware.RemoteUserMiddleware. A remote authenticated user
could use this issue to hijack web sessions. (CVE-2014-0482)

Collin Anderson discovered that Django incorrectly checked if a field
represented a relationship between models in the administrative interface.
A remote authenticated user could use this issue to possibly obtain
sensitive information. (CVE-2014-0483)

Update instructions

The problem can be corrected by updating your system to the following
package version:

Ubuntu 14.04 LTS:
python-django

1.6.1-2ubuntu0.4
Ubuntu 12.04 LTS:
python-django

1.3.1-4ubuntu1.12
Ubuntu 10.04 LTS:
python-django

1.1.1-2ubuntu1.13

To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.

In general, a standard system update will make all the necessary changes.

References

CVE-2014-0480,

CVE-2014-0481,

CVE-2014-0482,

CVE-2014-0483

USN-2346-1: curl vulnerabilities

Ubuntu Security Notice USN-2346-1

15th September, 2014

curl vulnerabilities

A security issue affects these releases of Ubuntu and its
derivatives:

  • Ubuntu 14.04 LTS
  • Ubuntu 12.04 LTS
  • Ubuntu 10.04 LTS

Summary

Several security issues were fixed in curl.

Software description

  • curl
    – HTTP, HTTPS, and FTP client and client libraries

Details

Tim Ruehsen discovered that curl incorrectly handled partial literal IP
addresses. This could lead to the disclosure of cookies to the wrong site,
and malicious sites being able to set cookies for others. (CVE-2014-3613)

Tim Ruehsen discovered that curl incorrectly allowed cookies to be set
for Top Level Domains (TLDs). This could allow a malicious site to set a
cookie that gets sent to other sites. (CVE-2014-3620)

Update instructions

The problem can be corrected by updating your system to the following
package version:

Ubuntu 14.04 LTS:
libcurl3-nss

7.35.0-1ubuntu2.1
libcurl3-gnutls

7.35.0-1ubuntu2.1
libcurl3

7.35.0-1ubuntu2.1
Ubuntu 12.04 LTS:
libcurl3-nss

7.22.0-3ubuntu4.10
libcurl3-gnutls

7.22.0-3ubuntu4.10
libcurl3

7.22.0-3ubuntu4.10
Ubuntu 10.04 LTS:
libcurl3-gnutls

7.19.7-1ubuntu1.9
libcurl3

7.19.7-1ubuntu1.9

To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.

In general, a standard system update will make all the necessary changes.

References

CVE-2014-3613,

CVE-2014-3620

USN-2330-1: Thunderbird vulnerabilities

Ubuntu Security Notice USN-2330-1

11th September, 2014

thunderbird vulnerabilities

A security issue affects these releases of Ubuntu and its
derivatives:

  • Ubuntu 14.04 LTS
  • Ubuntu 12.04 LTS

Summary

Several security issues were fixed in Thunderbird.

Software description

  • thunderbird
    – Mozilla Open Source mail and newsgroup client

Details

Jan de Mooij, Christian Holler, Karl Tomlinson, Randell Jesup, Gary Kwong,
Jesse Ruderman and JW Wang discovered multiple memory safety issues in
Thunderbird. If a user were tricked in to opening a specially crafted
message with scripting enabled, an attacker could potentially exploit
these to cause a denial of service via application crash, or execute
arbitrary code with the privileges of the user invoking Thunderbird.
(CVE-2014-1553, CVE-2014-1562)

Abhishek Arya discovered a use-after-free during DOM interactions with
SVG. If a user were tricked in to opening a specially crafted message
with scripting enabled, an attacker could potentially exploit this to
cause a denial of service via application crash or execute arbitrary code
with the privileges of the user invoking Thunderbird. (CVE-2014-1563)

Michal Zalewski discovered that memory is not initialized properly during
GIF rendering in some circumstances. If a user were tricked in to opening
a specially crafted message, an attacker could potentially exploit this to
steal confidential information. (CVE-2014-1564)

Holger Fuhrmannek discovered an out-of-bounds read in Web Audio. If a
user were tricked in to opening a specially crafted message with scripting
enabled, an attacker could potentially exploit this to cause a denial of
service via application crash or steal confidential information.
(CVE-2014-1565)

A use-after-free was discovered during text layout in some circumstances.
If a user were tricked in to opening a specially crafted message with
scripting enabled, an attacker could potentially exploit this to cause a
denial of service via application crash or execute arbitrary code with
the privileges of the user invoking Thunderbird. (CVE-2014-1567)

Update instructions

The problem can be corrected by updating your system to the following
package version:

Ubuntu 14.04 LTS:
thunderbird

1:31.1.1+build1-0ubuntu0.14.04.1
Ubuntu 12.04 LTS:
thunderbird

1:31.1.1+build1-0ubuntu0.12.04.1

To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.

After a standard system update you need to restart Thunderbird to make
all the necessary changes.

References

CVE-2014-1553,

CVE-2014-1562,

CVE-2014-1563,

CVE-2014-1564,

CVE-2014-1565,

CVE-2014-1567

USN-2344-1: PHP vulnerabilities

Ubuntu Security Notice USN-2344-1

9th September, 2014

php5 vulnerabilities

A security issue affects these releases of Ubuntu and its
derivatives:

  • Ubuntu 14.04 LTS
  • Ubuntu 12.04 LTS
  • Ubuntu 10.04 LTS

Summary

php5 could be made to crash or run programs if it received
specially crafted network traffic.

Software description

  • php5
    – HTML-embedded scripting language interpreter

Details

It was discovered that the Fileinfo component in php5 contains an integer
overflow. An attacker could use this flaw to cause a denial of service
or possibly execute arbitrary code via a crafted CDF file. (CVE-2014-3587)

It was discovered that the php_parserr function contains multiple buffer
overflows. An attacker could use this flaw to cause a denial of service
or possibly execute arbitrary code via crafted DNS records. (CVE-2014-3597)

Update instructions

The problem can be corrected by updating your system to the following
package version:

Ubuntu 14.04 LTS:
php5

5.5.9+dfsg-1ubuntu4.4
libapache2-mod-php5

5.5.9+dfsg-1ubuntu4.4
php5-fpm

5.5.9+dfsg-1ubuntu4.4
php5-cgi

5.5.9+dfsg-1ubuntu4.4
Ubuntu 12.04 LTS:
php5

5.3.10-1ubuntu3.14
libapache2-mod-php5

5.3.10-1ubuntu3.14
php5-fpm

5.3.10-1ubuntu3.14
php5-cgi

5.3.10-1ubuntu3.14
Ubuntu 10.04 LTS:
php5

5.3.2-1ubuntu4.27
libapache2-mod-php5

5.3.2-1ubuntu4.27
php5-cgi

5.3.2-1ubuntu4.27

To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.

After a standard system update you need to restart Apache or
php5-fpm to make all the necessary changes.

References

CVE-2014-3587,

CVE-2014-3597

USN-2353-1: APT vulnerability

Ubuntu Security Notice USN-2353-1

23rd September, 2014

apt vulnerability

A security issue affects these releases of Ubuntu and its
derivatives:

  • Ubuntu 14.04 LTS
  • Ubuntu 12.04 LTS
  • Ubuntu 10.04 LTS

Summary

APT could be made to crash or run programs if it received specially crafted
network traffic.

Software description

  • apt
    – Advanced front-end for dpkg

Details

It was discovered that APT incorrectly handled certain http URLs. If a
remote attacker were able to perform a man-in-the-middle attack, this flaw
could be exploited to cause APT to crash, resulting in a denial of service,
or possibly execute arbitrary code. The default compiler options for
affected releases should reduce the vulnerability to a denial of service.
(CVE-2014-6273)

In addition, this update fixes regressions introduced by the USN-2348-1
security update: APT incorrectly handled file:/// sources on a different
partition, incorrectly handled Dir::state::lists set to a relative path,
and incorrectly handled cdrom: sources.

Update instructions

The problem can be corrected by updating your system to the following
package version:

Ubuntu 14.04 LTS:
apt

1.0.1ubuntu2.4.1
Ubuntu 12.04 LTS:
apt

0.8.16~exp12ubuntu10.20.1
Ubuntu 10.04 LTS:
apt

0.7.25.3ubuntu9.17.1

To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.

In general, a standard system update will make all the necessary changes.

References

CVE-2014-6273

USN-2360-2: Thunderbird vulnerabilities

Ubuntu Security Notice USN-2360-2

24th September, 2014

thunderbird vulnerabilities

A security issue affects these releases of Ubuntu and its
derivatives:

  • Ubuntu 14.04 LTS
  • Ubuntu 12.04 LTS

Summary

Fraudulent security certificates could allow sensitive information to
be exposed when accessing the Internet.

Software description

  • thunderbird
    – Mozilla Open Source mail and newsgroup client

Details

USN-2360-1 fixed vulnerabilities in Firefox. This update provides the
corresponding updates for Thunderbird.

Original advisory details:

Antoine Delignat-Lavaud and others discovered that NSS incorrectly handled
parsing ASN.1 values. An attacker could use this issue to forge RSA
certificates.

Update instructions

The problem can be corrected by updating your system to the following
package version:

Ubuntu 14.04 LTS:
thunderbird

1:31.1.2+build1-0ubuntu0.14.04.1
Ubuntu 12.04 LTS:
thunderbird

1:31.1.2+build1-0ubuntu0.12.04.1

To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.

After a standard system update you need to restart Thunderbird to make
all the necessary changes.

References

CVE-2014-1568

USN-2352-1: DBus vulnerabilities

Ubuntu Security Notice USN-2352-1

22nd September, 2014

dbus vulnerabilities

A security issue affects these releases of Ubuntu and its
derivatives:

  • Ubuntu 14.04 LTS
  • Ubuntu 12.04 LTS
  • Ubuntu 10.04 LTS

Summary

Several security issues were fixed in DBus.

Software description

  • dbus
    – simple interprocess messaging system

Details

Simon McVittie discovered that DBus incorrectly handled the file
descriptors message limit. A local attacker could use this issue to cause
DBus to crash, resulting in a denial of service, or possibly execute
arbitrary code. This issue only applied to Ubuntu 12.04 LTS and Ubuntu
14.04 LTS. (CVE-2014-3635)

Alban Crequy discovered that DBus incorrectly handled a large number of
file descriptor messages. A local attacker could use this issue to cause
DBus to stop responding, resulting in a denial of service. This issue only
applied to Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. (CVE-2014-3636)

Alban Crequy discovered that DBus incorrectly handled certain file
descriptor messages. A local attacker could use this issue to cause DBus
to maintain persistent connections, possibly resulting in a denial of
service. This issue only applied to Ubuntu 12.04 LTS and Ubuntu 14.04 LTS.
(CVE-2014-3637)

Alban Crequy discovered that DBus incorrectly handled a large number of
parallel connections and parallel message calls. A local attacker could use
this issue to cause DBus to consume resources, possibly resulting in a
denial of service. (CVE-2014-3638)

Alban Crequy discovered that DBus incorrectly handled incomplete
connections. A local attacker could use this issue to cause DBus to fail
legitimate connection attempts, resulting in a denial of service.
(CVE-2014-3639)

Update instructions

The problem can be corrected by updating your system to the following
package version:

Ubuntu 14.04 LTS:
dbus

1.6.18-0ubuntu4.2
libdbus-1-3

1.6.18-0ubuntu4.2
Ubuntu 12.04 LTS:
dbus

1.4.18-1ubuntu1.6
libdbus-1-3

1.4.18-1ubuntu1.6
Ubuntu 10.04 LTS:
dbus

1.2.16-2ubuntu4.8
libdbus-1-3

1.2.16-2ubuntu4.8

To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.

After a standard system update you need to reboot your computer to make all
the necessary changes.

References

CVE-2014-3635,

CVE-2014-3636,

CVE-2014-3637,

CVE-2014-3638,

CVE-2014-3639

USN-2360-1: Firefox vulnerabilities

Ubuntu Security Notice USN-2360-1

24th September, 2014

firefox vulnerabilities

A security issue affects these releases of Ubuntu and its
derivatives:

  • Ubuntu 14.04 LTS
  • Ubuntu 12.04 LTS

Summary

Fraudulent security certificates could allow sensitive information to
be exposed when accessing the Internet.

Software description

  • firefox
    – Mozilla Open Source web browser

Details

Antoine Delignat-Lavaud and others discovered that NSS incorrectly handled
parsing ASN.1 values. An attacker could use this issue to forge RSA
certificates.

Update instructions

The problem can be corrected by updating your system to the following
package version:

Ubuntu 14.04 LTS:
firefox

32.0.3+build1-0ubuntu0.14.04.1
Ubuntu 12.04 LTS:
firefox

32.0.3+build1-0ubuntu0.12.04.1

To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.

After a standard system update you need to restart Firefox to make
all the necessary changes.

References

CVE-2014-1568

USN-2361-1: NSS vulnerability

Ubuntu Security Notice USN-2361-1

24th September, 2014

nss vulnerability

A security issue affects these releases of Ubuntu and its
derivatives:

  • Ubuntu 14.04 LTS
  • Ubuntu 12.04 LTS
  • Ubuntu 10.04 LTS

Summary

Fraudulent security certificates could allow sensitive information to
be exposed when accessing the Internet.

Software description

  • nss
    – Network Security Service library

Details

Antoine Delignat-Lavaud and others discovered that NSS incorrectly handled
parsing ASN.1 values. An attacker could use this issue to forge RSA
certificates.

Update instructions

The problem can be corrected by updating your system to the following
package version:

Ubuntu 14.04 LTS:
libnss3

2:3.17.1-0ubuntu0.14.04.1
Ubuntu 12.04 LTS:
libnss3

3.17.1-0ubuntu0.12.04.1
Ubuntu 10.04 LTS:
libnss3-1d

3.17.1-0ubuntu0.10.04.1

To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.

This update uses a new upstream release, which includes additional bug
fixes. After a standard system update you need to restart any applications
that use NSS, such as Evolution and Chromium, to make all the necessary
changes.

References

CVE-2014-1568

USN-2362-1: Bash vulnerability

Ubuntu Security Notice USN-2362-1

24th September, 2014

bash vulnerability

A security issue affects these releases of Ubuntu and its
derivatives:

  • Ubuntu 14.04 LTS
  • Ubuntu 12.04 LTS
  • Ubuntu 10.04 LTS

Summary

Bash allowed bypassing environment restrictions in certain environments.

Software description

  • bash
    – GNU Bourne Again SHell

Details

Stephane Chazelas discovered that Bash incorrectly handled trailing code in
function definitions. An attacker could use this issue to bypass
environment restrictions, such as SSH forced command environments.

Update instructions

The problem can be corrected by updating your system to the following
package version:

Ubuntu 14.04 LTS:
bash

4.3-7ubuntu1.1
Ubuntu 12.04 LTS:
bash

4.2-2ubuntu2.2
Ubuntu 10.04 LTS:
bash

4.1-2ubuntu3.1

To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.

In general, a standard system update will make all the necessary changes.

References

CVE-2014-6271