Day: 31 Agosto 2010

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Ubuntu Security Notice USN-981-1 August 31, 2010
libwww-perl vulnerability
CVE-2010-2253
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A security issue affects the following Ubuntu releases:

Ubuntu 6.06 LTS
Ubuntu 8.04 LTS
Ubuntu 9.04
Ubuntu 9.10
Ubuntu 10.04 LTS

This advisory also applies to the corresponding versions of
Kubuntu, Edubuntu, and Xubuntu.

The problem can be corrected by upgrading your system to the
following package versions:

Ubuntu 6.06 LTS:
libwww-perl 5.803-4ubuntu0.1

Ubuntu 8.04 LTS:
libwww-perl 5.808-1ubuntu0.1

Ubuntu 9.04:
libwww-perl 5.820-1ubuntu0.1

Ubuntu 9.10:
libwww-perl 5.831-1ubuntu0.1

Ubuntu 10.04 LTS:
libwww-perl 5.834-1ubuntu0.1

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

Details follow:

It was discovered that libwww-perl incorrectly filtered filenames suggested
by Content-Disposition headers. If a user were tricked into downloading a
file from a malicious site, a remote attacker could overwrite hidden files
in the user’s directory.

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Ubuntu Security Notice USN-980-1 August 31, 2010
bogofilter vulnerability
CVE-2010-2494
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A security issue affects the following Ubuntu releases:

Ubuntu 8.04 LTS
Ubuntu 9.04
Ubuntu 9.10
Ubuntu 10.04 LTS

This advisory also applies to the corresponding versions of
Kubuntu, Edubuntu, and Xubuntu.

The problem can be corrected by upgrading your system to the
following package versions:

Ubuntu 8.04 LTS:
bogofilter-bdb 1.1.5-2ubuntu5.1
bogofilter-sqlite 1.1.5-2ubuntu5.1

Ubuntu 9.04:
bogofilter-bdb 1.1.7-1ubuntu1.1
bogofilter-sqlite 1.1.7-1ubuntu1.1

Ubuntu 9.10:
bogofilter-bdb 1.2.0-3ubuntu1.1
bogofilter-sqlite 1.2.0-3ubuntu1.1

Ubuntu 10.04 LTS:
bogofilter-bdb 1.2.1-0ubuntu1.1
bogofilter-sqlite 1.2.1-0ubuntu1.1

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

Details follow:

Julius Plenz discovered that bogofilter incorrectly handled certain
malformed encodings. By sending a specially crafted email, a remote
attacker could exploit this and cause bogofilter to crash, resulting in a
denial of service.

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Ubuntu Security Notice USN-979-1 August 27, 2010
kdegraphics vulnerability
CVE-2010-2575
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A security issue affects the following Ubuntu releases:

Ubuntu 9.04
Ubuntu 9.10
Ubuntu 10.04 LTS

This advisory also applies to the corresponding versions of
Kubuntu, Edubuntu, and Xubuntu.

The problem can be corrected by upgrading your system to the
following package versions:

Ubuntu 9.04:
okular 4:4.2.2-0ubuntu2.1

Ubuntu 9.10:
okular 4:4.3.2-0ubuntu1.1

Ubuntu 10.04 LTS:
okular 4:4.4.2-0ubuntu1.1

After a standard system update you need to restart any running instances
of okular to make all the necessary changes.

Details follow:

Stefan Cornelius of Secunia Research discovered a boundary error during
RLE decompression in the “TranscribePalmImageToJPEG()” function in
generators/plucker/inplug/image.cpp of okular when processing images
embedded in PDB files, which can be exploited to cause a heap-based
buffer overflow. (CVE-2010-2575)