4.7 Medium
CVSS2
Attack Vector
LOCAL
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
NONE
Availability Impact
NONE
AV:L/AC:M/Au:N/C:C/I:N/A:N
0.001 Low
EPSS
Percentile
19.7%
The remote host allows elevation of privileges in its Windows Client/Server run-time subsystem (CSRSS) because it may be possible to create a specially crafted application that continues to run after the attacker logs off.
An attacker might exploit this to run arbitrary code in kernel mode.
#
# (C) Tenable Network Security, Inc.
#
include("compat.inc");
if (description)
{
script_id(51910);
script_version("1.17");
script_cvs_date("Date: 2018/11/15 20:50:30");
script_cve_id("CVE-2011-0030");
script_bugtraq_id(46142);
script_xref(name:"MSFT", value:"MS11-010");
script_xref(name:"MSKB", value:"2476687");
script_name(english:"MS11-010: Vulnerability in Windows Client/Server Run-time Subsystem Could Allow Elevation of Privilege (2476687)");
script_summary(english:"Checks version of Csrsv.dll");
script_set_attribute( attribute:"synopsis", value:
"Users can elevate their privileges on the remote host.");
script_set_attribute(attribute:"description", value:
"The remote host allows elevation of privileges in its Windows
Client/Server run-time subsystem (CSRSS) because it may be possible to
create a specially crafted application that continues to run after the
attacker logs off.
An attacker might exploit this to run arbitrary code in kernel mode.");
script_set_attribute(attribute:"see_also", value:"https://docs.microsoft.com/en-us/security-updates/SecurityBulletins/2011/ms11-010");
script_set_attribute(attribute:"solution", value:"Microsoft has released a set of patches for Windows XP and 2003.");
script_set_cvss_base_vector("CVSS2#AV:L/AC:H/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_set_attribute(attribute:"vuln_publication_date", value:"2011/02/08");
script_set_attribute(attribute:"patch_publication_date", value:"2011/02/08");
script_set_attribute(attribute:"plugin_publication_date", value:"2011/02/08");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"cpe:/o:microsoft:windows");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Windows : Microsoft Bulletins");
script_copyright(english:"This script is Copyright (C) 2011-2018 Tenable Network Security, Inc.");
script_dependencies("smb_hotfixes.nasl", "ms_bulletin_checks_possible.nasl");
script_require_keys("SMB/MS_Bulletin_Checks/Possible");
script_require_ports(139, 445, 'Host/patch_management_checks');
exit(0);
}
include("audit.inc");
include("smb_func.inc");
include("smb_hotfixes.inc");
include("smb_hotfixes_fcheck.inc");
include("misc_func.inc");
get_kb_item_or_exit("SMB/MS_Bulletin_Checks/Possible");
bulletin = 'MS11-010';
kb = "2476687";
kbs = make_list(kb);
if (get_kb_item("Host/patch_management_checks")) hotfix_check_3rd_party(bulletin:bulletin, kbs:kbs, severity:SECURITY_WARNING);
get_kb_item_or_exit("SMB/Registry/Enumerated");
get_kb_item_or_exit("SMB/WindowsVersion", exit_code:1);
if (hotfix_check_sp_range(xp:'3', win2003:'2') <= 0) audit(AUDIT_OS_SP_NOT_VULN);
rootfile = hotfix_get_systemroot();
if (!rootfile) exit(1, "Failed to get the system root.");
share = hotfix_path2share(path:rootfile);
if (!is_accessible_share(share:share)) audit(AUDIT_SHARE_FAIL, share);
if (
# Windows 2003 and XP x64
hotfix_is_vulnerable(os:"5.2", sp:2, file:"Csrsrv.dll", version:"5.2.3790.4803", dir:"\system32", bulletin:bulletin, kb:kb) ||
# Windows XP x86
hotfix_is_vulnerable(os:"5.1", sp:3, file:"Csrsrv.dll", version:"5.1.2600.6055", dir:"\system32", bulletin:bulletin, kb:kb)
)
{
set_kb_item(name:"SMB/Missing/"+bulletin, value:TRUE);
hotfix_security_warning();
hotfix_check_fversion_end();
exit(0);
}
else
{
hotfix_check_fversion_end();
audit(AUDIT_HOST_NOT, 'affected');
}