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>> Gentoo Security Update Fixes File Regular Expression Denial of Service Vulnerability
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Title : Gentoo Security Update Fixes File Regular Expression Denial of Service Vulnerability
VUPEN ID : VUPEN/ADV-2007-1437
CVE ID : CVE-2007-2026
Rated as : Low Risk 
Remotely Exploitable : Yes
Locally Exploitable : Yes
Release Date : 2007-04-18
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Gentoo has released security updates to address a vulnerability identified in File. This issue is caused by an error in the way file processes a specific regular expression, which could be exploited by attackers to exhaust all available memory resources and create a denial of service condition by tricking a user or an automated system (e.g. AMaViS) to open a specially crafted file with a large number of line feed characters.
Affected Products
sys-apps/file version 4.20
Solution
Upgrade the affected package :
# emerge --sync
# emerge --ask --oneshot --verbose " >=sys-apps/file-4.20-r1"
References
http://www.vupen.com/english/advisories/2007/1437
http://www.gentoo.org/security/en/glsa/glsa-200704-13.xml
Credits
Vulnerability reported by Conor Edberg
ChangeLog
2007-04-18 : Initial release
Vulnerability Management
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