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[ GLSA 200407-04 ] Pure-FTPd: Potential DoS when maximum connections is reached
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GLSA
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Joined: 13 Jun 2003
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Location: Dresden, Germany

PostPosted: Sun Jul 04, 2004 7:47 pm    Post subject: [ GLSA 200407-04 ] Pure-FTPd: Potential DoS when maximum con Reply with quote

Gentoo Linux Security Advisory

Title: Pure-FTPd: Potential DoS when maximum connections is reached (GLSA 200407-04)
Severity: normal
Exploitable: remote
Date: July 04, 2004
Updated: May 22, 2006
Bug(s): #54590
ID: 200407-04

Synopsis

Pure-FTPd contains a bug potentially allowing a Denial of Service attack when the maximum number of connections is reached.

Background

Pure-FTPd is a fast, production-quality and standards-compliant FTP server.

Affected Packages

Package: net-ftp/pure-ftpd
Vulnerable: <= 1.0.18
Unaffected: >= 1.0.18-r1
Architectures: All supported architectures


Description

Pure-FTPd contains a bug in the accept_client function handling the setup of new connections.

Impact

When the maximum number of connections is reached an attacker could exploit this vulnerability to perform a Denial of Service attack.

Workaround

There is no known workaround at this time. All users are encouraged to upgrade to the latest available version.

Resolution

All Pure-FTPd users should upgrade to the latest stable version:
Code:
# emerge sync
# emerge -pv ">=net-ftp/pure-ftpd-1.0.18-r1"
# emerge ">=net-ftp/pure-ftpd-1.0.18-r1"


References

Pure-FTPd website
CVE-2004-0656


Last edited by GLSA on Tue May 23, 2006 4:17 am; edited 2 times in total
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