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Debian DSA-1837-1 Critical: dbus Denial Of Service Attack

debian
Calendar Grey July 18, 2009
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Debian DSA-1838-1 tackles a vulnerability in systemd that could lead to potential risks, along with advised package upgrades for optimal system integrity.
It was discovered that the dbus_signature_validate function in dbus, a simple interprocess messaging system, is prone to a denial of service attack

Summary

It was discovered that the dbus_signature_validate function in
dbus, a simple interprocess messaging system, is prone to a denial of
service attack. This issue was caused by an incorrect fix for
DSA-1658-1.

For the stable distribution (lenny), this problem has been fixed in
version 1.2.1-5+lenny1.

For the oldstable distribution (etch), this problem has been fixed in
version 1.0.2-1+etch3.

Packages for ia64 and s390 will be released once they are available.

For the testing distribution (squeeze) and the unstable distribution
(sid), this problem has been fixed in version 1.2.14-1.


We recommend that you upgrade your dbus packages.


Upgrade instructions
- --------------------

wget url
will fetch the file for you
dpkg -i file.deb
will install the referenced file.

If you are using the apt-get package manager, use the line for
sources.list as given below:

apt-get update
will update the internal database
apt-get upgrade
will install corrected packages

You may use an automated update ...

Read the Full Advisory

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