linux-ftpd-ssl: Remote buffer overflow
1.
Gentoo Linux Security Advisory
Version Information
| Advisory Reference |
GLSA 200511-11 / linux-ftpd-ssl |
| Release Date |
November 13, 2005 |
| Latest Revision |
December 30, 2007: 02 |
| Impact |
high |
| Exploitable |
remote |
| Package |
Vulnerable versions |
Unaffected versions |
Architecture(s) |
| net-ftp/netkit-ftpd |
<
0.17-r3 |
>=
0.17-r3 |
All supported architectures
|
Related bugreports:
#111573
Synopsis
A buffer overflow vulnerability has been found, allowing a remote attacker
to execute arbitrary code with escalated privileges on the local system.
2.
Impact Information
Background
linux-ftpd-ssl is the netkit FTP server with encryption support.
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.
3.
Resolution Information
Workaround
There is no known workaround at this time.
Resolution
All ftpd users should upgrade to the latest version:
Code Listing 3.1: Resolution |
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-ftp/netkit-ftpd-0.17-r3"
|
4.
References
|