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[ GLSA 200409-27 ] glFTPd: Local buffer overflow vulnerability
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GLSA
Bodhisattva
Bodhisattva


Joined: 25 Feb 2003
Posts: 3827
Location: Essen, Germany

PostPosted: Tue Sep 21, 2004 9:11 pm    Post subject: [ GLSA 200409-27 ] glFTPd: Local buffer overflow vulnerabili Reply with quote

Gentoo Linux Security Advisory

Title: glFTPd: Local buffer overflow vulnerability (GLSA 200409-27)
Severity: normal
Exploitable: local
Date: September 21, 2004
Bug(s): #64809
ID: 200409-27

Synopsis

glFTPd is vulnerable to a local buffer overflow which may allow arbitrary code execution.

Background

glFTPd is a highly configurable FTP server with many features.

Affected Packages

Package: net-ftp/glftpd
Vulnerable: < 1.32-r1
Unaffected: >= 1.32-r1
Architectures: All supported architectures


Description

The glFTPd server is vulnerable to a buffer overflow in the 'dupescan' program. This vulnerability is due to an unsafe strcpy() call which can cause the program to crash when a large argument is passed.

Impact

A local user with malicious intent can pass a parameter to the dupescan program that exceeds the size of the buffer, causing it to overflow. This can lead the program to crash, and potentially allow arbitrary code execution with the permissions of the user running glFTPd, which could be the root user.

Workaround

There is no known workaround at this time.

Resolution

All glFTPd users should upgrade to the latest version:
Code:
# emerge sync
# emerge -pv ">=net-ftp/glftpd-1.32-r1"
# emerge ">=net-ftp/glftpd-1.32-r1"


References

BugTraq Advisory
glFTPd Announcement


Last edited by GLSA on Sun May 07, 2006 4:52 pm; edited 1 time in total
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