Vulnerability CVE-2013-7345
Published: 2014-03-24

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.

Type:

CWE-264

 (Permissions, Privileges, and Access Controls)

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Christos zoulas -> FILE 

 References:
https://github.com/file/file/commit/ef2329cf71acb59204dd981e2c6cce6c81fe467c
http://bugs.gw.com/view.php?id=164
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=703993
http://www.debian.org/security/2014/dsa-2873
http://support.apple.com/kb/HT6443
http://rhn.redhat.com/errata/RHSA-2014-1765.html
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