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Gentoo Linux Security Advisory GLSA 200511-11 |
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http://security.gentoo.org/ |
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|
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Severity: High |
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Title: linux-ftpd-ssl: Remote buffer overflow |
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Date: November 13, 2005 |
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Bugs: #111573 |
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ID: 200511-11 |
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|
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Synopsis |
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======== |
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|
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A buffer overflow vulnerability has been found, allowing a remote |
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attacker to execute arbitrary code with escalated privileges on the |
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local system. |
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|
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Background |
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========== |
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|
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linux-ftpd-ssl is the netkit FTP server with encryption support. |
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|
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Affected packages |
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================= |
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|
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------------------------------------------------------------------- |
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Package / Vulnerable / Unaffected |
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------------------------------------------------------------------- |
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1 net-ftp/ftpd < 0.17-r3 >= 0.17-r3 |
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|
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Description |
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=========== |
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|
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A buffer overflow vulnerability has been found in the linux-ftpd-ssl |
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package. A command that generates an excessively long response from the |
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server may overrun a stack buffer. |
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|
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Impact |
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====== |
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|
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An attacker that has permission to create directories that are |
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accessible via the FTP server could exploit this vulnerability. |
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Successful exploitation would execute arbitrary code on the local |
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machine with root privileges. |
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|
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Workaround |
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========== |
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There is no known workaround at this time. |
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|
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Resolution |
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========== |
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All ftpd users should upgrade to the latest version: |
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|
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# emerge --sync |
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# emerge --ask --oneshot --verbose ">=net-ftp/ftpd-0.17-r3" |
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|
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References |
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========== |
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|
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[ 1 ] CVE-2005-3524 |
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http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3524 |
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|
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Availability |
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============ |
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|
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This GLSA and any updates to it are available for viewing at |
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the Gentoo Security Website: |
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|
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http://security.gentoo.org/glsa/glsa-200511-11.xml |
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|
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Concerns? |
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========= |
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|
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Security is a primary focus of Gentoo Linux and ensuring the |
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confidentiality and security of our users machines is of utmost |
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importance to us. Any security concerns should be addressed to |
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security@g.o or alternatively, you may file a bug at |
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http://bugs.gentoo.org. |
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|
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License |
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======= |
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|
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Copyright 2005 Gentoo Foundation, Inc; referenced text |
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belongs to its owner(s). |
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|
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The contents of this document are licensed under the |
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Creative Commons - Attribution / Share Alike license. |
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|
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http://creativecommons.org/licenses/by-sa/2.0 |