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[ GLSA 200511-11 ] linux-ftpd-ssl: Remote buffer overflow
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GLSA
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PostPosted: Sun Nov 13, 2005 6:05 pm    Post subject: [ GLSA 200511-11 ] linux-ftpd-ssl: Remote buffer overflow Reply with quote

Gentoo Linux Security Advisory

Title: linux-ftpd-ssl: Remote buffer overflow (GLSA 200511-11)
Severity: high
Exploitable: remote
Date: November 13, 2005
Updated: December 30, 2007
Bug(s): #111573
ID: 200511-11

Synopsis

A buffer overflow vulnerability has been found, allowing a remote attacker to execute arbitrary code with escalated privileges on the local system.

Background

linux-ftpd-ssl is the netkit FTP server with encryption support.

Affected Packages

Package: net-ftp/netkit-ftpd
Vulnerable: < 0.17-r3
Unaffected: >= 0.17-r3
Architectures: All supported architectures


Description

A buffer overflow vulnerability has been found in the linux-ftpd-ssl package. A command that generates an excessively long response from the server may overrun a stack buffer.

Impact

An attacker that has permission to create directories that are accessible via the FTP server could exploit this vulnerability. Successful exploitation would execute arbitrary code on the local machine with root privileges.

Workaround

There is no known workaround at this time.

Resolution

All ftpd users should upgrade to the latest version:
Code:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-ftp/netkit-ftpd-0.17-r3"


References

CVE-2005-3524


Last edited by GLSA on Sun Dec 30, 2007 4:17 am; edited 2 times in total
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