Attack vector
LOCAL Attack complexity
LOW Privileges required
NONE Confidentiality impact
PARTIAL Integrity impact
PARTIAL Availability impact
PARTIAL local
low complexity
freebsd
nessus
Published: 2004-03-03
Updated: 2017-10-10
Summary
mksnap_ffs in FreeBSD 5.1 and 5.2 only sets the snapshot flag when creating a snapshot for a file system, which causes default values for other flags to be used, possibly disabling security-critical settings and allowing a local user to bypass intended access restrictions.
Vulnerable Configurations
Part | Description | Count |
OS | Freebsd | 2 |
Nessus
NASL family | FreeBSD Local Security Checks |
NASL id | FREEBSD_MKSNAP_FFS.NASL |
description | The remote host is running a version of FreeBSD which contains a bug in the mksnap_ffs(8) utility which may reset file flags on the remote file system, thus resetting the type of access control that were assigned to a file. |
last seen | 2020-06-01 |
modified | 2020-06-02 |
plugin id | 12575 |
published | 2004-07-06 |
reporter | This script is Copyright (C) 2004-2010 Tenable Network Security, Inc. |
source | https://www.tenable.com/plugins/nessus/12575 |
title | FreeBSD : SA-04:01.mksnap_ff |
code | #
# (C) Tenable Network Security, Inc.
#
if ( ! defined_func("bn_random") ) exit(0);
include("compat.inc");
if(description)
{
script_id(12575);
script_bugtraq_id(9533);
script_version ("$Revision: 1.11 $");
script_cve_id("CVE-2004-0099");
name["english"] = "FreeBSD : SA-04:01.mksnap_ff";
script_name(english:name["english"]);
script_set_attribute(attribute:"synopsis", value:
"The remote device is missing a vendor-supplied security patch" );
script_set_attribute(attribute:"description", value:
"The remote host is running a version of FreeBSD which contains a
bug in the mksnap_ffs(8) utility which may reset file flags on
the remote file system, thus resetting the type of access control
that were assigned to a file." );
script_set_attribute(attribute:"solution", value:
"http://www.vuxml.org/freebsd/7229d900-88af-11d8-90d1-0020ed76ef5a.html" );
script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:P/I:P/A:P");
script_set_cvss_temporal_vector("CVSS2#E:H/RL:OF/RC:C");
script_set_attribute(attribute:"exploitability_ease", value:"No exploit is required");
script_set_attribute(attribute:"exploit_available", value:"true");
script_set_attribute(attribute:"plugin_publication_date", value: "2004/07/06");
script_cvs_date("$Date: 2010/10/06 01:47:51 $");
script_end_attributes();
summary["english"] = "Check for the version of the FreeBSD";
script_summary(english:summary["english"]);
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 2004-2010 Tenable Network Security, Inc.");
family["english"] = "FreeBSD Local Security Checks";
script_family(english:family["english"]);
script_dependencies("ssh_get_info.nasl");
script_require_keys("Host/FreeBSD/pkg_info");
exit(0);
}
include("freebsd_package.inc");
port = 0;
package = get_kb_item("Host/FreeBSD/release");
if ( egrep(pattern:"FreeBSD-5\.1", string:package) )
{
if ( pkg_cmp(pkg:package, reference:"FreeBSD-5.1_12") < 0 )
{
security_warning(port);
exit(0);
}
}
if ( egrep(pattern:"FreeBSD-5\.2", string:package) )
{
if ( pkg_cmp(pkg:package, reference:"FreeBSD-5.2_1") < 0 )
{
security_warning(port);
exit(0);
}
}
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