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Bug#: 181946
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Status: RESOLVED
Resolution: DUPLICATE of bug 174217
Assigned To: Gentoo Security <security@gentoo.org>
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Reporter: Daniel Carroll <gentoo0624@defiant.mesastate.edu>
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Bug 181946 depends on: Show dependency tree
Bug 181946 blocks:

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Description:   Opened: 2007-06-13 20:24 0000 
The file(1) command takes an extremely long time to parse certain files.

This problem exists with both sys-apps/file-4.20
and sys-apps/file-4.21.

A problem file can be created with the following perl script:

    perl -e 'print "\n"x162174;' > problem_file

Why is this a DoS?  If Amavis uses this command, it effectively causes the
amavis process to hang until the file(1) command completes several minutes
later.  Several messages with attachments like this going through a system
that scans all messages with AMaViS will either stop or slow e-mail delivery
way down. 

I don't know if this should be considered a file(1) bug or a bug in the magic
file.

------- Comment #1 From Jakub Moc (RETIRED) 2007-06-13 20:40:58 0000 ------- 

*** This bug has been marked as a duplicate of bug 174217 ***
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