CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:S/C:N/I:P/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
EPSS
Percentile
21.2%
The Microsoft Skype for Business or Microsoft Lync installation on the remote host is missing a security update. It is, therefore, affected by the following vulnerability :
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from the Microsoft Security Updates API. The text
# itself is copyright (C) Microsoft Corporation.
#
include("compat.inc");
if (description)
{
script_id(121213);
script_version("1.3");
script_cvs_date("Date: 2019/10/31 15:18:52");
script_cve_id("CVE-2019-0624");
script_xref(name:"MSKB", value:"3061064");
script_xref(name:"MSKB", value:"4464359");
script_xref(name:"MSKB", value:"4464354");
script_xref(name:"MSKB", value:"4464355");
script_xref(name:"MSKB", value:"4464358");
script_xref(name:"MSKB", value:"4464356");
script_xref(name:"MSKB", value:"4464360");
script_xref(name:"MSKB", value:"4464357");
script_xref(name:"MSFT", value:"MS19-3061064");
script_xref(name:"MSFT", value:"MS19-4464359");
script_xref(name:"MSFT", value:"MS19-4464354");
script_xref(name:"MSFT", value:"MS19-4464355");
script_xref(name:"MSFT", value:"MS19-4464358");
script_xref(name:"MSFT", value:"MS19-4464356");
script_xref(name:"MSFT", value:"MS19-4464360");
script_xref(name:"MSFT", value:"MS19-4464357");
script_name(english:"Security Updates for Microsoft Skype for Business and Microsoft Lync (January 2019 OOB)");
script_summary(english:"Checks for Microsoft security updates.");
script_set_attribute(attribute:"synopsis", value:
"The Microsoft Skype for Business or Microsoft Lync installation on the remote host is missing a security update.");
script_set_attribute(attribute:"description", value:
"The Microsoft Skype for Business or Microsoft Lync
installation on the remote host is missing a security
update. It is, therefore, affected by the following
vulnerability :
- A spoofing vulnerability exists when a Skype for Business 2015
server does not properly sanitize a specially crafted request. An
authenticated attacker could exploit the vulnerability by sending
a specially crafted request to an affected Skype for Business
server. The attacker who successfully exploited this
vulnerability could then perform cross-site scripting attacks on
affected systems and run script in the security context of the
current user. (CVE-2019-0624)");
# https://support.microsoft.com/en-us/help/3061064/updates-for-skype-for-business-server-2015
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?fae2b3b0");
script_set_attribute(attribute:"solution", value:
"Microsoft has released the following security updates to address this issue:
-KB3061064
-KB4464359
-KB4464354
-KB4464355
-KB4464358
-KB4464356
-KB4464360
-KB4464357");
script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:S/C:N/I:P/A:N");
script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N");
script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2019-0624");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"vuln_publication_date", value:"2019/01/15");
script_set_attribute(attribute:"patch_publication_date", value:"2019/01/15");
script_set_attribute(attribute:"plugin_publication_date", value:"2019/01/16");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"cpe:/a:microsoft:skype_for_business");
script_set_attribute(attribute:"cpe", value:"cpe:/a:microsoft:lync");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Windows : Microsoft Bulletins");
script_copyright(english:"This script is Copyright (C) 2019 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("office_installed.nasl", "microsoft_lync_server_installed.nasl", "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("smb_reg_query.inc");
include("misc_func.inc");
include("install_func.inc");
get_kb_item_or_exit("SMB/MS_Bulletin_Checks/Possible");
bulletin = "MS19-01";
kbs = make_list(
'3061064', # Skype for Business 2015 Cumulative Server Update Installer
'4464359', # Skype for Business Server 2015, Web Components Server
'4464354', # Skype for Business Server 2015, Core Components
'4464355', # Skype for Business Server 2015, Front End Server and Edge Server
'4464358', # Skype for Business Server 2015, Mediation Server
'4464356', # Skype for Business Server 2015, Response Group Service
'4464360', # Skype for Business Server 2015 and Unified Communications Managed API 5.0 Runtime
'4464357' # Skype for Business Server 2015, Conferencing Server
);
if (get_kb_item("Host/patch_management_checks")) hotfix_check_3rd_party(bulletin:bulletin, kbs:kbs, severity:SECURITY_NOTE);
get_kb_item_or_exit("SMB/Registry/Enumerated", exit_code:1);
windir = hotfix_get_systemroot();
if (isnull(windir)) exit(1, "Failed to determine the location of %windir%.");
vuln = FALSE;
port = kb_smb_transport();
lync_installs = get_installs(app_name:"Microsoft Lync", exit_if_not_found:TRUE);
foreach lync_install (lync_installs[1])
{
# Skype for Business Server 2015
if (lync_install["Product"] == "Skype for Business Server 2015")
{
path = hotfix_append_path(path:lync_install["path"], value:"Deployment");
if (hotfix_check_fversion(file:"Microsoft.Rtc.Management.Deployment.Bootstrapper.dll", version:"6.0.9319.537", min_version:"6.0.9319.0", path:path, bulletin:bulletin, kb:"3061064", product:"Skype for Business Server 2015") == HCF_OLDER)
vuln = TRUE;
}
}
if (vuln)
{
replace_kb_item(name:'www/'+port+'/XSS', value:TRUE);
replace_kb_item(name:'SMB/Missing/'+bulletin, value:TRUE);
hotfix_security_note();
hotfix_check_fversion_end();
exit(0);
}
else
{
hotfix_check_fversion_end();
audit(AUDIT_HOST_NOT, 'affected');
}
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:S/C:N/I:P/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
EPSS
Percentile
21.2%