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CVE-2013-7345

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 …

Impact

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.

Affected products

VendorProductAffected versions
Christos ZoulasFile
before 5.15
PhpPhp
from 5.4.0 before 5.4.27
from 5.5.0 before 5.5.11
DebianDebian Linux
Versions 6.0, 7.0, 8.0

References