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Ubuntu Security Notice USN-2242-1
June 10, 2014
dpkg vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 14.04 LTS
– Ubuntu 13.10
– Ubuntu 12.04 LTS
– Ubuntu 10.04 LTS
Summary:
A malicious source package could write files outside the unpack directory.
Software Description:
– dpkg: Debian package management system
Details:
It was discovered that dpkg incorrectly handled certain patches when
unpacking source packages. If a user or an automated system were tricked
into unpacking a specially crafted source package, a remote attacker could
modify files outside the target unpack directory, leading to a denial of
service or potentially gaining access to the system.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 14.04 LTS:
libdpkg-perl 1.17.5ubuntu5.3
Ubuntu 13.10:
libdpkg-perl 1.16.12ubuntu1.3
Ubuntu 12.04 LTS:
libdpkg-perl 1.16.1.2ubuntu7.5
Ubuntu 10.04 LTS:
dpkg-dev 1.15.5.6ubuntu4.9
In general, a standard system update will make all the necessary changes.
References:
http://www.ubuntu.com/usn/usn-2242-1
CVE-2014-3864, CVE-2014-3865
Package Information:
https://launchpad.net/ubuntu/+source/dpkg/1.17.5ubuntu5.3
https://launchpad.net/ubuntu/+source/dpkg/1.16.12ubuntu1.3
https://launchpad.net/ubuntu/+source/dpkg/1.16.1.2ubuntu7.5
https://launchpad.net/ubuntu/+source/dpkg/1.15.5.6ubuntu4.9
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