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Gentoo Linux: CVE-2013-7345: file: Denial of service

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Gentoo Linux: CVE-2013-7345: file: Denial of service

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
03/24/2014
Created
07/25/2018
Added
10/30/2017
Modified
05/28/2021

Description

The BEGIN regular expression in the awk script detector in magic/Magdir/commands in file before 5.15 uses multiple wildcards with unlimited repetitions, which allows context-dependent attackers to cause a denial of service (CPU consumption) via a crafted ASCII file that triggers a large amount of backtracking, as demonstrated via a file with many newline characters.

Solution(s)

  • gentoo-linux-upgrade-dev-lang-php
  • gentoo-linux-upgrade-sys-apps-file

References

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