National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2013-7345 Detail

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.

Source:  MITRE
Description Last Modified:  03/24/2014

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 5.0 MEDIUM
Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 10.0


Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Partial
Additional Information:
Allows disruption of service

References to Advisories, Solutions, and Tools

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

Technical Details

Vulnerability Type (View All)

  • Permissions, Privileges, and Access Control (CWE-264)

Change History

2 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2013-7345
NVD Published Date:
03/24/2014
NVD Last Modified:
11/18/2014