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[ GLSA 200702-02 ] ProFTPD: Local privilege escalation
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PostPosted: Tue Feb 13, 2007 11:26 pm    Post subject: [ GLSA 200702-02 ] ProFTPD: Local privilege escalation Reply with quote

Gentoo Linux Security Advisory

Title: ProFTPD: Local privilege escalation (GLSA 200702-02)
Severity: high
Exploitable: local
Date: February 13, 2007
Bug(s): #158122
ID: 200702-02

Synopsis

A flaw in ProFTPD may allow a local attacker to obtain root privileges.

Background

ProFTPD is a powerful, configurable, and free FTP daemon.

Affected Packages

Package: net-ftp/proftpd
Vulnerable: < 1.3.1_rc1
Unaffected: >= 1.3.1_rc1
Architectures: All supported architectures


Description

A flaw exists in the mod_ctrls module of ProFTPD, normally used to allow FTP server administrators to configure the daemon at runtime.

Impact

An FTP server administrator permitted to interact with mod_ctrls could potentially compromise the ProFTPD process and execute arbitrary code with the privileges of the FTP Daemon, which is normally the root user.

Workaround

Disable mod_ctrls, or ensure only trusted users can access this feature.

Resolution

All ProFTPD users should upgrade to the latest version:
Code:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-ftp/proftpd-1.3.1_rc1"


References

CVE-2006-6563
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