CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:N/C:C/I:N/A:N
EPSS
Percentile
79.3%
The version of the Altiris Client Agent (aclient) installed on the remote host contains a flaw in its browser option whereby a local user can open or execute files on the affected host with SYSTEM privileges.
It also contains a directory traversal vulnerability that allows a local user to read privileged system files.
#
# (C) Tenable Network Security, Inc.
#
include("compat.inc");
if (description)
{
script_id(27596);
script_version("1.12");
script_cvs_date("Date: 2018/11/15 20:50:26");
script_cve_id("CVE-2007-3874", "CVE-2007-5838");
script_bugtraq_id(26265, 26266);
script_name(english:"Altiris AClient < 6.8.380 Local Vulnerabilities");
script_summary(english:"Checks version of aclient.exe");
script_set_attribute(attribute:"synopsis", value:
"The remote Windows host has a program that is prone to multiple local
attacks.");
script_set_attribute(attribute:"description", value:
"The version of the Altiris Client Agent (aclient) installed on the
remote host contains a flaw in its browser option whereby a local user
can open or execute files on the affected host with SYSTEM privileges.
It also contains a directory traversal vulnerability that allows a
local user to read privileged system files.");
script_set_attribute(attribute:"see_also", value:"https://support.symantec.com/en_US/article.SYMSA1137.html");
script_set_attribute(attribute:"see_also", value:"http://www.symantec.com/avcenter/security/Content/2007.10.31a.html" );
script_set_attribute(attribute:"solution", value:"Upgrade to Altiris Deployment Solution version 6.8.380.0 or later.");
script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C");
script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"exploit_available", value:"false");
script_cwe_id(16, 22);
script_set_attribute(attribute:"plugin_publication_date", value:"2007/10/31");
script_set_attribute(attribute:"plugin_type", value:"local");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Windows");
script_copyright(english:"This script is Copyright (C) 2007-2018 Tenable Network Security, Inc.");
script_dependencies("smb_hotfixes.nasl");
script_require_keys("SMB/Registry/Enumerated");
script_require_ports(139, 445);
exit(0);
}
include("smb_func.inc");
include("audit.inc");
# Connect to the appropriate share.
if (!get_kb_item("SMB/Registry/Enumerated")) exit(0);
name = kb_smb_name();
port = kb_smb_transport();
#if (!get_port_state(port)) exit(0);
login = kb_smb_login();
pass = kb_smb_password();
domain = kb_smb_domain();
#soc = open_sock_tcp(port);
#if (!soc) exit(0);
#session_init(socket:soc, hostname:name);
if(!smb_session_init()) audit(AUDIT_FN_FAIL, 'smb_session_init');
rc = NetUseAdd(login:login, password:pass, domain:domain, share:"IPC$");
if (rc != 1)
{
NetUseDel();
exit(0);
}
# Connect to remote registry.
hklm = RegConnectRegistry(hkey:HKEY_LOCAL_MACHINE);
if (isnull(hklm))
{
NetUseDel();
exit(0);
}
# Check whether it's installed.
path = NULL;
key = "SOFTWARE\Altiris\Client Service";
key_h = RegOpenKey(handle:hklm, key:key, mode:MAXIMUM_ALLOWED);
if (!isnull(key_h))
{
value = RegQueryValue(handle:key_h, item:"InstallDir");
if (!isnull(value))
{
path = value[1];
path = ereg_replace(pattern:"^(.+)\\$", replace:"\1", string:path);
}
RegCloseKey(handle:key_h);
}
RegCloseKey(handle:hklm);
if (isnull(path))
{
NetUseDel();
exit(0);
}
# Check the version of the main exe.
share = ereg_replace(pattern:"^([A-Za-z]):.*", replace:"\1$", string:path);
exe = ereg_replace(pattern:"^[A-Za-z]:(.*)", replace:"\1\aclient.exe", string:path);
NetUseDel(close:FALSE);
rc = NetUseAdd(login:login, password:pass, domain:domain, share:share);
if (rc != 1)
{
NetUseDel();
exit(0);
}
fh = CreateFile(
file:exe,
desired_access:GENERIC_READ,
file_attributes:FILE_ATTRIBUTE_NORMAL,
share_mode:FILE_SHARE_READ,
create_disposition:OPEN_EXISTING
);
ver = NULL;
if (!isnull(fh))
{
ver = GetFileVersion(handle:fh);
CloseFile(handle:fh);
}
# Check the version number.
if (!isnull(ver) && ver[0] == 6)
{
fix = split("6.8.380.0", sep:'.', keep:FALSE);
for (i=0; i<4; i++)
fix[i] = int(fix[i]);
for (i=0; i<max_index(ver); i++)
if ((ver[i] < fix[i]))
{
version = string(ver[0], ".", ver[1], ".", ver[2]);
report = string(
"Version ", version, " of the Altiris Client Agent is installed under :\n",
"\n",
" ", path, "\n"
);
security_hole(port:port, extra:report);
break;
}
else if (ver[i] > fix[i])
break;
}
# Clean up.
NetUseDel();