GLSA Advocate
Joined: 12 May 2004 Posts: 2663
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Posted: Tue Apr 17, 2007 11:26 pm Post subject: [ GLSA 200704-13 ] File: Denial of Service |
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Gentoo Linux Security Advisory
Title: File: Denial of Service (GLSA 200704-13)
Severity: normal
Exploitable: remote
Date: April 17, 2007
Updated: September 17, 2007
Bug(s): #174217
ID: 200704-13
Synopsis
A vulnerability has been discovered in file allowing for a denial of service.
Background
file is a utility that identifies a file format by scanning binary data for patterns.
Affected Packages
Package: sys-apps/file
Vulnerable: = 4.21
Unaffected: >= 4.21-r1
Architectures: All supported architectures
Description
Conor Edberg discovered an error in the way file processes a specific regular expression.
Impact
A remote attacker could entice a user to open a specially crafted file, using excessive CPU ressources and possibly leading to a Denial of Service. Note that this vulnerability could be also triggered through an automatic file scanner like amavisd-new.
Workaround
There is no known workaround at this time.
Resolution
All file users should upgrade to the latest version: Code: | # emerge --sync
# emerge --ask --oneshot --verbose ">=sys-apps/file-4.20-r1" |
References
CVE-2007-2026
Last edited by GLSA on Tue Sep 18, 2007 4:20 am; edited 1 time in total |
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