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Last updated: 4/17/2014

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National Cyber Awareness System

Vulnerability Summary for CVE-2007-2026

Original release date: 04/13/2007
Last revised: 03/07/2011
Source: US-CERT/NIST

Overview

The gnu regular expression code in file 4.20 allows context-dependent attackers to cause a denial of service (CPU consumption) via a crafted document with a large number of line feed characters, which is not well handled by OS/2 REXX regular expressions that use wildcards, as originally reported for AMaViS.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 7.8 (HIGH) (AV:N/AC:L/AU:N/C:N/I:N/A:C) (legend)
Impact Subscore: 6.9
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows disruption of service

Vendor Statements (disclaimer)

Official Statement from Red Hat (06/07/2007)
Not vulnerable. These issues did not affect the versions of file as shipped with Red Hat Enterprise Linux 2.1, 3, 4, or 5.

References to Advisories, Solutions, and Tools

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External Source: CONFIRM
Name: http://www.amavis.org/security/asa-2007-3.txt
External Source: SECUNIA
Name: 24918
External Source: CONFIRM
Name: https://bugs.gentoo.org/show_bug.cgi?id=174217
External Source: SECUNIA
Name: 25394
External Source: GENTOO
Name: GLSA-200704-13
External Source: SECUNIA
Name: 25544
External Source: SECUNIA
Name: 25578
External Source: BID
Name: 24146
External Source: MISC
Name: http://sourceforge.net/mailarchive/forum.php?thread_name=755AF709E5B77E6EA58479D5%40foxx.lsit.ucsb.edu&forum_name=amavis-user
External Source: CONFIRM
Name: https://issues.rpath.com/browse/RPL-1311
External Source: VUPEN
Name: ADV-2007-2071
External Source: BUGTRAQ
Name: 20070524 FLEA-2007-0022-1: file
External Source: MANDRIVA
Name: MDKSA-2007:114

Technical Details

Vulnerability Type (View All)