CVE-2013-7345
file: extensive backtracking in awk rule regular expression
Severity
ModerateRed Hat Product Security
CVSS 2.0
Review impact separately from score.
Published · December 31, 2011
Updated · June 28, 2026
Description
A denial of service flaw was found in the File Information (fileinfo) extension rules for detecting AWK files. A remote attacker could use this flaw to cause a PHP application using fileinfo to consume an excessive amount of CPU.
Statement
This issue did not affect the versions of file as shipped with Red Hat Enterprise Linux 5, 6, and 7, the versions of php as shipped with Red Hat Enterprise Linux 5 and 6, and the versions of php53 as shipped with Red Hat Enterprise Linux 5.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 2.0 · 4.3AV:N/AC:M/Au:N/C:N/I:N/A:P
CWE-407 · Inefficient Algorithmic Complexity