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Debian 3.0: DSA-260-1 Critical: File Command Buffer Overflow Exploit

debian
Calendar Grey March 13, 2003
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An issue in the Debian tool referred to as file has been fixed. Instructions on applying updates to mitigate potential risks are available.
A buffer overflow vulnerability in the ELF formatparsing of the "file" command, one which can be used to executearbitrary code with the privileges of the user running the command h...

Summary

iDEFENSE discovered a buffer overflow vulnerability in the ELF format
parsing of the "file" command, one which can be used to execute
arbitrary code with the privileges of the user running the command. The
vulnerability can be exploited by crafting a special ELF binary which is
then input to file. This could be accomplished by leaving the binary on
the file system and waiting for someone to use file to identify it, or
by passing it to a service that uses file to classify input. (For
example, some printer filters run file to determine how to process input
going to a printer.)

Fixed packages are available in version 3.28-1.potato.1 for Debian 2.2
(potato) and version 3.37-3.1.woody.1 for Debian 3.0 (woody). We
recommend you upgrade your file package immediately.

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 ...

Read the Full Advisory

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