GLSA-200801-17 : Netkit FTP Server: Denial of Service

This script is Copyright (C) 2008-2014 Tenable Network Security, Inc.


Synopsis :

The remote Gentoo host is missing one or more security-related
patches.

Description :

The remote host is affected by the vulnerability described in GLSA-200801-17
(Netkit FTP Server: Denial of Service)

Venustech AD-LAB discovered that an FTP client connected to a
vulnerable server with passive mode and SSL support can trigger an
fclose() function call on an uninitialized stream in ftpd.c.

Impact :

A remote attacker can send specially crafted FTP data to a server with
passive mode and SSL support, causing the ftpd daemon to crash.

Workaround :

Disable passive mode or SSL.

See also :

http://www.gentoo.org/security/en/glsa/glsa-200801-17.xml

Solution :

All Netkit FTP Server users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=net-ftp/netkit-ftpd-0.17-r7'

Risk factor :

High / CVSS Base Score : 9.3
(CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C)

Family: Gentoo Local Security Checks

Nessus Plugin ID: 30242 (gentoo_GLSA-200801-17.nasl)

Bugtraq ID:

CVE ID: CVE-2007-6263