GLSA 200405-09: ProFTPD Access Control List bypass vulnerability
Severity: | high |
Title: | ProFTPD Access Control List bypass vulnerability |
Date: | 05/19/2004 |
Bugs: |
|
ID: | 200405-09 |
Synopsis
Version 1.2.9 of ProFTPD introduced a vulnerability that causes CIDR-based Access Control Lists (ACLs) to be treated as "AllowAll", thereby allowing remote users full access to files available to the FTP daemon.Background
ProFTPD is an FTP daemon.
Affected packages
Package | Vulnerable | Unaffected | Architecture(s) |
---|---|---|---|
net-ftp/proftpd | == 1.2.9-r1 | >= 1.2.9-r2 | All supported architectures |
Description
ProFTPD 1.2.9 introduced a vulnerability that allows CIDR-based ACLs (such as 10.0.0.1/24) to be bypassed. The CIDR ACLs are disregarded, with the net effect being similar to an "AllowAll" directive.
Impact
This vulnerability may allow unauthorized files, including critical system files to be downloaded and/or modified, thereby allowing a potential remote compromise of the server.
Workaround
Users may work around the problem by avoiding use of CIDR-based ACLs.
Resolution
ProFTPD users are encouraged to upgrade to the latest version of the package:
# emerge sync # emerge -pv ">=net-ftp/proftpd-1.2.9-r2" # emerge ">=net-ftp/proftpd-1.2.9-r2"
References
Availability
This GLSA and any updates to it are available for viewing at the Gentoo Security Website:
Concerns?
Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.
License
Copyright 2010 Gentoo Foundation, Inc; referenced text belongs to its owner(s). The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license.