code | #
# (C) Tenable Network Security, Inc.
#
include("compat.inc");
if (description)
{
script_id(93478);
script_version("1.3");
script_cvs_date("Date: 2019/11/14");
script_cve_id("CVE-2012-3052");
script_xref(name:"CISCO-BUG-ID", value:"CSCua28747");
script_name(english:"Cisco VPN Client 5.x < 5.0.07.0440 Untrusted Search Path DLL Privilege Escalation");
script_summary(english:"Check the version.");
script_set_attribute(attribute:"synopsis", value:
"The VPN client installed on the remote Windows host is affected by a
local privilege escalation vulnerability.");
script_set_attribute(attribute:"description", value:
"The version of the Cisco VPN client installed on the remote host
is 5.x prior to 5.0.07.0440. It is, therefore, affected by a flaw
related to loading dynamic link library (DLL) files due to searching
fixed paths that may not be trusted or under user control. A local
attacker can exploit this, via a trojan DLL injected into the search
path, to execute arbitrary code with elevated privileges.");
script_set_attribute(attribute:"see_also", value:"https://bst.cloudapps.cisco.com/bugsearch/bug/CSCua28747");
script_set_attribute(attribute:"solution", value:
"This software is no longer supported. Contact the vendor for options.");
script_set_cvss_base_vector("CVSS2#AV:L/AC:M/Au:N/C:C/I:C/A:C");
script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H");
script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"vuln_publication_date", value:"2012/05/30");
script_set_attribute(attribute:"plugin_publication_date", value:"2016/09/14");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"cpe:/a:cisco:vpn_client");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Windows");
script_copyright(english:"This script is Copyright (C) 2016-2019 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("cisco_vpn_client_detect.nasl");
script_require_keys("SMB/CiscoVPNClient/Version");
exit(0);
}
include("global_settings.inc");
include("audit.inc");
include("misc_func.inc");
app = "Cisco VPN Client";
ver = get_kb_item_or_exit("SMB/CiscoVPNClient/Version");
path = get_kb_item_or_exit("SMB/CiscoVPNClient/Path");
if (ver == UNKNOWN_VER) audit(AUDIT_UNKNOWN_APP_VER, app);
if (ver !~ "^5\.") audit(AUDIT_NOT_INST, app + " 5.x");
if (
ver == "5" ||
ver == "5.0" ||
ver == "5.0.07"
)
audit(AUDIT_VER_NOT_GRANULAR, app, ver);
if (ver_compare(fix:'5.0.07.0440', ver:ver, strict:FALSE) < 0)
{
port = get_kb_item("SMB/transport");
if (!port) port = 445;
security_report_v4(
port:port,
severity:SECURITY_WARNING,
extra:
'\n Path : ' + path +
'\n Installed version : ' + ver +
'\n Fixed version : See Solution.' +
'\n'
);
}
else audit(AUDIT_INST_PATH_NOT_VULN, app, ver, path);
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