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
EPSS
Percentile
99.5%
The remote Windows host is running a version of Microsoft Excel or Excel Viewer that is affected by several vulnerabilities.
If an attacker can trick a user on the affected host into opening a specially crafted Excel file, he or she could leverage this issue to execute arbitrary code subject to the userโs privileges.
#
# (C) Tenable Network Security, Inc.
#
include("compat.inc");
if (description)
{
script_id(55125);
script_version("1.26");
script_set_attribute(attribute:"plugin_modification_date", value:"2020/08/05");
script_cve_id(
"CVE-2011-1272",
"CVE-2011-1273",
"CVE-2011-1274",
"CVE-2011-1275",
"CVE-2011-1276",
"CVE-2011-1277",
"CVE-2011-1278",
"CVE-2011-1279"
);
script_bugtraq_id(48157, 48158, 48159, 48160, 48161, 48162, 48163, 48164);
script_xref(name:"EDB-ID", value:"17643");
script_xref(name:"IAVA", value:"2011-A-0086-S");
script_xref(name:"MSFT", value:"MS11-045");
script_xref(name:"MSKB", value:"2523021");
script_xref(name:"MSKB", value:"2541003");
script_xref(name:"MSKB", value:"2541007");
script_xref(name:"MSKB", value:"2541012");
script_xref(name:"MSKB", value:"2541015");
script_xref(name:"MSKB", value:"2541025");
script_name(english:"MS11-045: Vulnerabilities in Microsoft Excel Could Allow Remote Code Execution (2537146)");
script_summary(english:"Checks version of Excel");
script_set_attribute(
attribute:"synopsis",
value:
"Arbitrary code can be executed on the remote host through Microsoft
Excel."
);
script_set_attribute(
attribute:"description",
value:
"The remote Windows host is running a version of Microsoft Excel or
Excel Viewer that is affected by several vulnerabilities.
If an attacker can trick a user on the affected host into opening a
specially crafted Excel file, he or she could leverage this issue to
execute arbitrary code subject to the user's privileges."
);
# https://docs.microsoft.com/en-us/security-updates/SecurityBulletins/2011/ms11-045
script_set_attribute(attribute:"see_also", value:"https://www.nessus.org/u?cc6510b9");
script_set_attribute(
attribute:"solution",
value:
"Microsoft has released a set of patches for Office XP, 2003, 2007,
2010, Excel Viewer, and Office Compatability Pack."
);
script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C");
script_set_cvss_temporal_vector("CVSS2#E:H/RL:OF/RC:C");
script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
script_set_attribute(attribute:"exploit_available", value:"true");
script_set_attribute(attribute:"exploit_framework_core", value:"true");
script_set_attribute(attribute:"exploited_by_malware", value:"true");
script_set_attribute(attribute:"vuln_publication_date", value:"2011/06/14");
script_set_attribute(attribute:"patch_publication_date", value:"2011/06/14");
script_set_attribute(attribute:"plugin_publication_date", value:"2011/06/15");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"cpe:/a:microsoft:office");
script_set_attribute(attribute:"cpe", value:"cpe:/a:microsoft:excel");
script_set_attribute(attribute:"cpe", value:"cpe:/a:microsoft:excel_viewer");
script_set_attribute(attribute:"cpe", value:"cpe:/a:microsoft:office_compatibility_pack");
script_set_attribute(attribute:"stig_severity", value:"II");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Windows : Microsoft Bulletins");
script_copyright(english:"This script is Copyright (C) 2011-2020 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("smb_nt_ms02-031.nasl", "office_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("smb_hotfixes_fcheck.inc");
include("smb_hotfixes.inc");
include("smb_func.inc");
include("misc_func.inc");
include("audit.inc");
get_kb_item_or_exit("SMB/MS_Bulletin_Checks/Possible");
bulletin = 'MS11-045';
kbs = make_list("2523021", "2541003", "2541007", "2541012", "2541015", "2541025");
if (get_kb_item("Host/patch_management_checks")) hotfix_check_3rd_party(bulletin:bulletin, kbs:kbs, severity:SECURITY_HOLE);
info = "";
# Excel.
vuln = 0;
installs = get_kb_list("SMB/Office/Excel/*/ProductPath");
if (!isnull(installs))
{
foreach install (keys(installs))
{
version = install - 'SMB/Office/Excel/' - '/ProductPath';
path = installs[install];
if (isnull(path)) path = "n/a";
ver = split(version, sep:'.', keep:FALSE);
for (i=0; i<max_index(ver); i++)
ver[i] = int(ver[i]);
# Excel 2010.
office_sp = get_kb_item("SMB/Office/2010/SP");
if (
(!isnull(office_sp) && (office_sp == 0)) &&
(
(ver[0] == 14 && ver[1] == 0 && ver[2] < 5138) ||
(ver[0] == 14 && ver[1] == 0 && ver[2] == 5138 && ver[3] < 5000)
)
)
{
vuln++;
info =
'\n Product : Excel 2010' +
'\n File : ' + path +
'\n Installed version : ' + version +
'\n Fixed version : 14.0.5138.5000\n';
hotfix_add_report(info, bulletin:bulletin, kb:'2523021');
}
# Excel 2007.
office_sp = get_kb_item("SMB/Office/2007/SP");
if (
(!isnull(office_sp) && office_sp == 2) &&
(
(ver[0] == 12 && ver[1] == 0 && ver[2] < 6557) ||
(ver[0] == 12 && ver[1] == 0 && ver[2] == 6557 && ver[3] < 5000)
)
)
{
vuln++;
info =
'\n Product : Excel 2007' +
'\n File : ' + path +
'\n Installed version : ' + version +
'\n Fixed version : 12.0.6557.5000\n';
hotfix_add_report(info, bulletin:bulletin, kb:"2541007");
}
# Excel 2003.
office_sp = get_kb_item("SMB/Office/2003/SP");
if (
(!isnull(office_sp) && office_sp == 3) &&
(ver[0] == 11 && ver[1] == 0 && ver[2] < 8335)
)
{
vuln++;
info =
'\n Product : Excel 2003' +
'\n File : ' + path +
'\n Installed version : ' + version +
'\n Fixed version : 11.0.8335.0\n';
hotfix_add_report(info, bulletin:bulletin, kb:"2541025");
}
# Excel 2002.
office_sp = get_kb_item("SMB/Office/XP/SP");
if (
(!isnull(office_sp) && office_sp == 3) &&
(ver[0] == 10 && ver[1] == 0 && ver[2] < 6871)
)
{
vuln++;
info =
'\n Product : Excel 2002' +
'\n File : ' + path +
'\n Installed version : ' + version +
'\n Fixed version : 10.0.6871.0\n';
hotfix_add_report(info, bulletin:bulletin, kb:"2541003");
}
}
}
# Excel Viewer.
installs = get_kb_list("SMB/Office/ExcelViewer/*/ProductPath");
if (!isnull(installs))
{
foreach install (keys(installs))
{
version = install - 'SMB/Office/ExcelViewer/' - '/ProductPath';
path = installs[install];
if (isnull(path)) path = "n/a";
ver = split(version, sep:'.', keep:FALSE);
for (i=0; i<max_index(ver); i++)
ver[i] = int(ver[i]);
# Excel Viewer.
if (
ver[0] == 12 && ver[1] == 0 &&
(
ver[2] < 6557 ||
(ver[2] == 6557 && ver[3] < 5000)
)
)
{
vuln++;
info =
'\n Product : Excel Viewer' +
'\n File : '+ path +
'\n Installed version : '+ version +
'\n Fixed version : 12.0.6557.5000\n';
hotfix_add_report(info, bulletin:bulletin, kb:"2541015");
break;
}
}
}
# 2007 Microsoft Office system and the Microsoft Office Compatibility Pack.
installs = get_kb_list("SMB/Office/ExcelCnv/*/ProductPath");
if (!isnull(installs))
{
foreach install (keys(installs))
{
version = install - '/SMB/Office/ExcelCnv/' - '/ProductPath';
path = installs[install];
if (isnull(path)) path = "n/a";
ver = split(version, sep:'.', keep:FALSE);
for (i=0; i<max_index(ver); i++)
ver[i] = int(ver[i]);
# 2007 Office system and the Office Compatibility Pack.
if (
ver[0] == 12 && ver[1] == 0 &&
(
ver[2] < 6557 ||
(ver[2] == 6557 && ver[3] < 5000)
)
)
{
vuln++;
info =
'\n Product : 2007 Office system and the Office Compatibility Pack' +
'\n File : '+ path +
'\n Installed version : '+ version +
'\n Fixed version : 12.0.6557.5000\n';
hotfix_add_report(info, bulletin:bulletin, kb:"2541012");
break;
}
}
}
if (vuln)
{
set_kb_item(name:"SMB/Missing/"+bulletin, value:TRUE);
hotfix_security_hole();
exit(0);
}
else audit(AUDIT_HOST_NOT, 'affected');
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-1272
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-1273
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-1274
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-1275
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-1276
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-1277
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-1278
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-1279
www.nessus.org/u?cc6510b9