CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:C/I:C/A:C
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
78.4%
This host is missing an important security
update according to Microsoft KB4011179
# SPDX-FileCopyrightText: 2017 Greenbone AG
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-only
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.0.811923");
script_version("2023-07-25T05:05:58+0000");
script_cve_id("CVE-2017-11786");
script_tag(name:"cvss_base", value:"9.3");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:C/I:C/A:C");
script_tag(name:"last_modification", value:"2023-07-25 05:05:58 +0000 (Tue, 25 Jul 2023)");
script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2019-10-03 00:03:00 +0000 (Thu, 03 Oct 2019)");
script_tag(name:"creation_date", value:"2017-10-11 09:14:12 +0530 (Wed, 11 Oct 2017)");
script_name("Microsoft Lync 2013 Service Pack 1 Elevation of Privilege Vulnerability (KB4011179)");
script_tag(name:"summary", value:"This host is missing an important security
update according to Microsoft KB4011179");
script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");
script_tag(name:"insight", value:"The flaw exists due to error when Skype for
Business fails to properly handle specific authentication requests.");
script_tag(name:"impact", value:"Successful exploitation will allow an attacker
who successfully exploited this vulnerability to steal an authentication hash
that can be reused elsewhere. The attacker could then take any action that the
user had permissions for, causing possible outcomes that could vary between
users.");
script_tag(name:"affected", value:"- Microsoft Lync 2013 Service Pack 1 (32-bit)
- Microsoft Lync 2013 Service Pack 1 (64-bit)");
script_tag(name:"solution", value:"The vendor has released updates. Please see the references for more information.");
script_tag(name:"solution_type", value:"VendorFix");
script_tag(name:"qod_type", value:"executable_version");
script_xref(name:"URL", value:"https://support.microsoft.com/en-us/help/4011179");
script_xref(name:"URL", value:"http://www.securityfocus.com/bid/101156");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2017 Greenbone AG");
script_family("Windows : Microsoft Bulletins");
script_dependencies("smb_reg_service_pack.nasl", "secpod_ms_lync_detect_win.nasl");
script_mandatory_keys("MS/Lync/Installed");
script_require_ports(139, 445);
exit(0);
}
include("smb_nt.inc");
include("secpod_reg.inc");
include("version_func.inc");
include("secpod_smb_func.inc");
if(get_kb_item("MS/Lync/Ver"))
{
lyncPath = get_kb_item("MS/Lync/path");
## For MS Lync Basic
if(!lyncPath){
lyncPath = get_kb_item("MS/Lync/Basic/path");
}
if(lyncPath)
{
lyncPath1 = lyncPath + "OFFICE15";
commVer = fetch_file_version(sysPath:lyncPath1, file_name:"Rtmpltfm.dll");
if(commVer)
{
if(commVer =~ "^5" && version_in_range(version:commVer, test_version:"5.0", test_version2:"5.0.8687.156"))
{
report = 'File checked: ' + lyncPath1 + "\Rtmpltfm.dll" + '\n' +
'File version: ' + commVer + '\n' +
'Vulnerable range: ' + "5.0 - 5.0.8687.156" + '\n' ;
security_message(data:report);
}
}
}
}
exit(0);
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:C/I:C/A:C
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
78.4%