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Ubuntu Security Notice USN-2123-1
February 26, 2014
file vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 13.10
– Ubuntu 12.10
– Ubuntu 12.04 LTS
– Ubuntu 10.04 LTS
Summary:
File could be made to crash if it processed a specially crafted file.
Software Description:
– file: Tool to determine file types
Details:
It was discovered that file incorrectly handled Composite Document files.
An attacker could use this issue to cause file to crash, resulting in a
denial of service. This issue only affected Ubuntu 10.04 LTS and Ubuntu
12.04 LTS. (CVE-2012-1571)
Bernd Melchers discovered that file incorrectly handled indirect offset
values. An attacker could use this issue to cause file to consume resources
or crash, resulting in a denial of service. (CVE-2014-1943)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 13.10:
file 5.11-2ubuntu4.1
libmagic1 5.11-2ubuntu4.1
Ubuntu 12.10:
file 5.11-2ubuntu0.1
libmagic1 5.11-2ubuntu0.1
Ubuntu 12.04 LTS:
file 5.09-2ubuntu0.2
libmagic1 5.09-2ubuntu0.2
Ubuntu 10.04 LTS:
file 5.03-5ubuntu1.1
libmagic1 5.03-5ubuntu1.1
In general, a standard system update will make all the necessary changes.
References:
http://www.ubuntu.com/usn/usn-2123-1
CVE-2012-1571, CVE-2014-1943
Package Information:
https://launchpad.net/ubuntu/+source/file/5.11-2ubuntu4.1
https://launchpad.net/ubuntu/+source/file/5.11-2ubuntu0.1
https://launchpad.net/ubuntu/+source/file/5.09-2ubuntu0.2
https://launchpad.net/ubuntu/+source/file/5.03-5ubuntu1.1
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