Ubuntu Security Notice 2453-1 - Timothy D. Morgan discovered that the run-mailcap tool incorrectly filtered certain shell metacharacters in filenames. If a user or automated system were tricked into opening a file with a specially-crafted filename, a remote attacker could possibly execute arbitrary code.
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Ubuntu Security Notice USN-2453-1
January 07, 2015
mime-support vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 14.10
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS
- Ubuntu 10.04 LTS
Summary:
run-mailcap could be made to run programs as your login if it opened a
specially crafted file.
Software Description:
- mime-support: MIME support programs
Details:
Timothy D. Morgan discovered that the run-mailcap tool incorrectly filtered
certain shell metacharacters in filenames. If a user or automated system
were tricked into opening a file with a specially-crafted filename, a
remote attacker could possibly execute arbitrary code.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 14.10:
mime-support 3.55ubuntu1.1
Ubuntu 14.04 LTS:
mime-support 3.54ubuntu1.1
Ubuntu 12.04 LTS:
mime-support 3.51-1ubuntu1.1
Ubuntu 10.04 LTS:
mime-support 3.48-1ubuntu1.1
In general, a standard system update will make all the necessary changes.
References:
https://www.ubuntu.com/usn/usn-2453-1
CVE-2014-7209
Package Information:
https://launchpad.net/ubuntu/+source/mime-support/3.55ubuntu1.1
https://launchpad.net/ubuntu/+source/mime-support/3.54ubuntu1.1
https://launchpad.net/ubuntu/+source/mime-support/3.51-1ubuntu1.1
https://launchpad.net/ubuntu/+source/mime-support/3.48-1ubuntu1.1