Vulnerabilities > CVE-2015-1648 - Data Processing Errors vulnerability in Microsoft .Net Framework

047910
CVSS 2.6 - LOW
Attack vector
NETWORK
Attack complexity
HIGH
Privileges required
NONE
Confidentiality impact
PARTIAL
Integrity impact
NONE
Availability impact
NONE
network
high complexity
microsoft
CWE-19
nessus
NVD
Published: 2015-04-14
Updated: 2018-10-12

Summary

ASP.NET in Microsoft .NET Framework 1.1 SP1, 2.0 SP2, 3.5, 3.5.1, 4, 4.5, 4.5.1, and 4.5.2, when the customErrors configuration is disabled, allows remote attackers to obtain sensitive configuration-file information via a crafted request, aka "ASP.NET Information Disclosure Vulnerability."

Vulnerable Configurations

Part Description Count
Application
Microsoft
8

Common Weakness Enumeration (CWE)

Common Attack Pattern Enumeration and Classification (CAPEC)

  • Overflow Buffers
    Buffer Overflow attacks target improper or missing bounds checking on buffer operations, typically triggered by input injected by an attacker. As a consequence, an attacker is able to write past the boundaries of allocated buffer regions in memory, causing a program crash or potentially redirection of execution as per the attackers' choice.
  • XML Nested Payloads
    Applications often need to transform data in and out of the XML format by using an XML parser. It may be possible for an attacker to inject data that may have an adverse effect on the XML parser when it is being processed. By nesting XML data and causing this data to be continuously self-referential, an attacker can cause the XML parser to consume more resources while processing, causing excessive memory consumption and CPU utilization. An attacker's goal is to leverage parser failure to his or her advantage. In most cases this type of an attack will result in a denial of service due to an application becoming unstable, freezing, or crash. However it may be possible to cause a crash resulting in arbitrary code execution, leading to a jump from the data plane to the control plane [R.230.1].
  • XML Oversized Payloads
    Applications often need to transform data in and out of the XML format by using an XML parser. It may be possible for an attacker to inject data that may have an adverse effect on the XML parser when it is being processed. By supplying oversized payloads in input vectors that will be processed by the XML parser, an attacker can cause the XML parser to consume more resources while processing, causing excessive memory consumption and CPU utilization, and potentially cause execution of arbitrary code. An attacker's goal is to leverage parser failure to his or her advantage. In many cases this type of an attack will result in a denial of service due to an application becoming unstable, freezing, or crash. However it is possible to cause a crash resulting in arbitrary code execution, leading to a jump from the data plane to the control plane [R.231.1].
  • XML Client-Side Attack
    Client applications such as web browsers that process HTML data often need to transform data in and out of the XML format by using an XML parser. It may be possible for an attacker to inject data that may have an adverse effect on the XML parser when it is being processed. These adverse effects may include the parser crashing, consuming too much of a resource, executing too slowly, executing code supplied by an attacker, allowing usage of unintended system functionality, etc. An attacker's goal is to leverage parser failure to his or her advantage. In some cases it may be possible to jump from the data plane to the control plane via bad data being passed to an XML parser. [R.484.1]
  • XML Parser Attack
    Applications often need to transform data in and out of the XML format by using an XML parser. It may be possible for an attacker to inject data that may have an adverse effect on the XML parser when it is being processed. These adverse effects may include the parser crashing, consuming too much of a resource, executing too slowly, executing code supplied by an attacker, allowing usage of unintended system functionality, etc. An attacker's goal is to leverage parser failure to his or her advantage. In some cases it may be possible to jump from the data plane to the control plane via bad data being passed to an XML parser. [R.99.1]

Msbulletin

bulletin_idMS15-041
bulletin_url
date2015-04-14T00:00:00
impactInformation Disclosure
knowledgebase_id3048010
knowledgebase_url
severityImportant
titleVulnerability in .NET Framework Could Allow Information Disclosure

Nessus

NASL familyWindows : Microsoft Bulletins
NASL idSMB_NT_MS15-041.NASL
descriptionThe remote Windows host has a version of the Microsoft .NET Framework installed that is affected by an information disclosure vulnerability due to improper handling of requests on web servers that have custom error messages disabled. A remote, unauthenticated attacker can exploit this issue, via a specially crafted web request, to elicit an error message containing information that was not intended to be accessible.
last seen2020-05-16
modified2015-04-14
plugin id82777
published2015-04-14
reporterThis script is Copyright (C) 2015-2020 and is owned by Tenable, Inc. or an Affiliate thereof.
sourcehttps://www.tenable.com/plugins/nessus/82777
titleMS15-041: Vulnerability in .NET Framework Could Allow Information Disclosure (3048010)
code
#
# (C) Tenable Network Security, Inc.
#

include("compat.inc");

if (description)
{
  script_id(82777);
  script_version("1.9");
  script_set_attribute(attribute:"plugin_modification_date", value:"2020/05/15");

  script_cve_id("CVE-2015-1648");
  script_bugtraq_id(74010);
  script_xref(name:"MSFT", value:"MS15-041");
  script_xref(name:"MSKB", value:"3037572");
  script_xref(name:"MSKB", value:"3037573");
  script_xref(name:"MSKB", value:"3037574");
  script_xref(name:"MSKB", value:"3037575");
  script_xref(name:"MSKB", value:"3037576");
  script_xref(name:"MSKB", value:"3037577");
  script_xref(name:"MSKB", value:"3037578");
  script_xref(name:"MSKB", value:"3037579");
  script_xref(name:"MSKB", value:"3037580");
  script_xref(name:"MSKB", value:"3037581");
  script_xref(name:"IAVA", value:"2015-A-0089-S");

  script_name(english:"MS15-041: Vulnerability in .NET Framework Could Allow Information Disclosure (3048010)");
  script_summary(english:"Checks the version of the .NET files.");

  script_set_attribute(attribute:"synopsis", value:
"The version of the Microsoft .NET Framework installed on the remote
host is affected by an information disclose vulnerability.");
  script_set_attribute(attribute:"description", value:
"The remote Windows host has a version of the Microsoft .NET Framework
installed that is affected by an information disclosure vulnerability
due to improper handling of requests on web servers that have custom
error messages disabled. A remote, unauthenticated attacker can
exploit this issue, via a specially crafted web request, to elicit an
error message containing information that was not intended to be
accessible.");
  # https://docs.microsoft.com/en-us/security-updates/SecurityBulletins/2015/ms15-041
  script_set_attribute(attribute:"see_also", value:"https://www.nessus.org/u?c3a28cc5");
  script_set_attribute(attribute:"solution", value:
"Microsoft has released a set of patches for .NET Framework 1.1 SP1,
2.0 SP2, 3.5, 3.5.1, 4.0, 4.5, 4.5.1, and 4.5.2.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:H/Au:N/C:P/I:N/A:N");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2015-1648");

  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:"2015/04/14");
  script_set_attribute(attribute:"patch_publication_date", value:"2015/04/14");
  script_set_attribute(attribute:"plugin_publication_date", value:"2015/04/14");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:microsoft:windows");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:microsoft:.net_framework");
  script_set_attribute(attribute:"stig_severity", value:"I");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Windows : Microsoft Bulletins");

  script_copyright(english:"This script is Copyright (C) 2015-2020 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("smb_hotfixes.nasl", "ms_bulletin_checks_possible.nasl", "microsoft_net_framework_installed.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_fcheck.inc");
include("smb_hotfixes.inc");
include("smb_reg_query.inc");
include("misc_func.inc");
include("install_func.inc");

# Windows Embedded is not supported by Nessus
# There are cases where this plugin is flagging embedded
# hosts improperly since this update does not apply
# to those machines
productname = get_kb_item("SMB/ProductName");
if ("Windows Embedded" >< productname)
  exit(0, "Nessus does not support bulletin / patch checks for Windows Embedded.");

get_kb_item_or_exit("SMB/MS_Bulletin_Checks/Possible");

bulletin = 'MS15-041';
kbs = make_list(
  "3037572",
  "3037573",
  "3037574",
  "3037575",
  "3037576",
  "3037577",
  "3037578",
  "3037579",
  "3037580",
  "3037581"
);

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");
get_kb_item_or_exit('SMB/WindowsVersion', exit_code:1);

if (hotfix_check_sp_range(win2003:'2', vista:'2', win7:'1', win8:'0', win81:'0') <= 0) audit(AUDIT_OS_SP_NOT_VULN);

productname = get_kb_item_or_exit("SMB/ProductName", exit_code:1);
# Some of the 2k3 checks could flag XP 64, which is unsupported
if ("Windows XP" >< productname) audit(AUDIT_OS_SP_NOT_VULN);

share = hotfix_get_systemdrive(as_share:TRUE, exit_on_fail:TRUE);
if (!is_accessible_share(share:share)) audit(AUDIT_SHARE_FAIL, share);

# Determine if .NET 4.5, 4.5.1, or 4.5.2 is installed
dotnet_452_installed = FALSE;
dotnet_451_installed = FALSE;
dotnet_45_installed  = FALSE;

count = get_install_count(app_name:'Microsoft .NET Framework');
if (count > 0)
{
  installs = get_installs(app_name:'Microsoft .NET Framework');
  foreach install(installs[1])
  {
    ver = install["version"];
    if (ver == "4.5") dotnet_45_installed = TRUE;
    if (ver == "4.5.1") dotnet_451_installed = TRUE;
    if (ver == "4.5.2") dotnet_452_installed = TRUE;
  }
}
vuln = 0;

########## KB 3037572 #############
# .NET Framework 1.1 SP1          #
# Windows Server 2003 SP2         #
###################################
missing = 0;
# LDR / GDR are the same
missing += hotfix_is_vulnerable(os:"5.2", arch:"x86", sp:2, file:"System.Web.dll", version:"1.1.4322.2515", min_version:"1.1.4322.2000", dir:"\Microsoft.NET\Framework\v1.1.4322");

if (missing > 0) hotfix_add_report(bulletin:bulletin, kb:"3037572");
vuln += missing;

########## KB 3037573 #############
# .NET Framework 2.0 SP2         #
# Windows Vista SP2              #
# Windows Server 2008 SP2        #
##################################
missing = 0;
# GDR
missing += hotfix_is_vulnerable(os:"6.0", sp:2, file:"System.Web.dll", version:"2.0.50727.4257", min_version:"2.0.50727.2000", dir:"\Microsoft.NET\Framework\v2.0.50727");
# LDR
missing += hotfix_is_vulnerable(os:"6.0", sp:2, file:"System.Web.dll", version:"2.0.50727.8653", min_version:"2.0.50727.5000", dir:"\Microsoft.NET\Framework\v2.0.50727");

if (missing > 0) hotfix_add_report(bulletin:bulletin, kb:"3037573");
vuln += missing;

########### KB 3037574 ############
# .NET Framework 3.5.1            #
# Windows 7 SP1                   #
# Windows Server 2008 R2 SP1      #
############################$######
missing = 0;
# GDR
missing += hotfix_is_vulnerable(os:"6.1", sp:1, file:"System.Web.dll", version:"2.0.50727.5491", min_version:"2.0.50727.5000",  dir:"\Microsoft.NET\Framework\v2.0.50727");
# LDR
missing += hotfix_is_vulnerable(os:"6.1", sp:1, file:"System.Web.dll", version:"2.0.50727.8653", min_version:"2.0.50727.7000",  dir:"\Microsoft.NET\Framework\v2.0.50727");

if (missing > 0) hotfix_add_report(bulletin:bulletin, kb:"3037574");
vuln += missing;


########## KB 3037575 ###########
# .NET Framework 3.5            #
# Windows 8                     #
# Windows Server 2012           #
#################################
missing = 0;
# GDR
missing += hotfix_is_vulnerable(os:"6.2", sp:0, file:"System.Web.dll", version:"2.0.50727.6427", min_version:"2.0.50727.0", dir:"\Microsoft.NET\Framework\v2.0.50727");
# LDR
missing += hotfix_is_vulnerable(os:"6.2", sp:0, file:"System.Web.dll", version:"2.0.50727.8653", min_version:"2.0.50727.7000", dir:"\Microsoft.NET\Framework\v2.0.50727");

if (missing > 0) hotfix_add_report(bulletin:bulletin, kb:"3037575");
vuln += missing;

########### KB 3037576 ############
# .NET Framework 3.5              #
# Windows 8.1                     #
# Windows Server 2012 R2          #
###################################
missing = 0;

missing += hotfix_is_vulnerable(os:"6.3", sp:0, file:" System.Web.resources.dll", version:"2.0.50727.7905", min_version:"2.0.50727.6000",  dir:"\Microsoft.NET\Framework\v2.0.50727");
if (missing > 0) hotfix_add_report(bulletin:bulletin, kb:"3037576");
vuln += missing;

########### KB 3037577 ############
# .NET Framework 2.0 SP2          #
# Windows Server 2003 SP2         #
###################################
missing = 0;
missing += hotfix_is_vulnerable(os:"5.2", sp:2, file:"System.Web.dll", version:"2.0.50727.3668", min_version:"2.0.50727.0", dir:"\Microsoft.NET\Framework\v2.0.50727");
missing += hotfix_is_vulnerable(os:"5.2", sp:2, file:"System.Web.dll", version:"2.0.50727.8656", min_version:"2.0.50727.5000", dir:"\Microsoft.NET\Framework\v2.0.50727");

if (missing > 0) hotfix_add_report(bulletin:bulletin, kb:"3037577");
vuln += missing;

########### KB 3037578 ############
# .NET Framework 4                #
# Windows Vista SP2               #
# Windows Server 2008 SP2         #
# Windows 7 SP1                   #
# Windows Server 2008 R2 SP1      #
# Windows Server 2003 SP2         #
###################################
missing = 0;

# Windows Server 2003 SP2
missing += hotfix_is_vulnerable(os:"5.2", sp:2, file:"System.Web.dll", version:"4.0.30319.1031", min_version:"4.0.30319.0", dir:"\Microsoft.NET\Framework\v4.0.30319");
missing += hotfix_is_vulnerable(os:"5.2", sp:2, file:"System.Web.dll", version:"4.0.30319.2056", min_version:"4.0.30319.2000", dir:"\Microsoft.NET\Framework\v4.0.30319");

# Windows Vista/Server 2008 SP2
missing += hotfix_is_vulnerable(os:"6.0", sp:2, file:"System.Web.dll", version:"4.0.30319.1031", min_version:"4.0.30319.0", dir:"\Microsoft.NET\Framework\v4.0.30319");
missing += hotfix_is_vulnerable(os:"6.0", sp:2, file:"System.Web.dll", version:"4.0.30319.2056", min_version:"4.0.30319.2000", dir:"\Microsoft.NET\Framework\v4.0.30319");

# Windows 7/Server 2008 R2 SP1
missing += hotfix_is_vulnerable(os:"6.1", sp:1, file:"System.Web.dll", version:"4.0.30319.1031", min_version:"4.0.30319.0", dir:"\Microsoft.NET\Framework\v4.0.30319");
missing += hotfix_is_vulnerable(os:"6.1", sp:1, file:"System.Web.dll", version:"4.0.30319.2056", min_version:"4.0.30319.2000", dir:"\Microsoft.NET\Framework\v4.0.30319");

if (missing > 0) hotfix_add_report(bulletin:bulletin, kb:"3037578");
vuln += missing;

########### KB 3037579 ############
# .NET Framework 4.5.1/4.5.2      #
# Windows 8.1                     #
# Windows 8.1 RT                  #
# Windows Server 2012 R2          #
###################################
missing = 0;
if (dotnet_451_installed || dotnet_452_installed)
{
  # GDR
  missing += hotfix_is_vulnerable(os:"6.3", sp:0, file:"System.Web.dll", version:"4.0.30319.34248", min_version:"4.0.30319.0", dir:"\Microsoft.NET\Framework\v4.0.30319");
  # LDR
  missing += hotfix_is_vulnerable(os:"6.3", sp:0, file:"System.Web.dll", version:"4.0.30319.36283", min_version:"4.0.30319.35000", dir:"\Microsoft.NET\Framework\v4.0.30319");
}

if (missing > 0) hotfix_add_report(bulletin:bulletin, kb:"3037579");
vuln += missing;

########## KB 3037580 #############
# .NET Framework 4.5/4.5.1/4.5.2  #
# Windows 8                       #
# Windows RT                      #
# Windows Server 2012             #
###################################
if (dotnet_45_installed || dotnet_451_installed || dotnet_452_installed)
{
  missing = 0;
  # GDR
  missing += hotfix_is_vulnerable(os:"6.2", sp:0, file:"System.Web.dll", version:"4.0.30319.34248", min_version:"4.0.30319.0", dir:"\Microsoft.NET\Framework\v4.0.30319");
  # LDR
  missing += hotfix_is_vulnerable(os:"6.2", sp:0, file:"System.Web.dll", version:"4.0.30319.36283", min_version:"4.0.30319.35000", dir:"\Microsoft.NET\Framework\v4.0.30319");
  if (missing > 0) hotfix_add_report(bulletin:bulletin, kb:"3037580");
  vuln += missing;
}

########### KB 3037581 ############
# .NET Framework 4.5/4.5.1/4.5.2  #
# Windows Vista SP2               #
# Windows Server 2008 SP2         #
# Windows 7 SP1                   #
# Windows Server 2008 R2 SP1      #
###################################
missing = 0;
if (dotnet_45_installed || dotnet_451_installed || dotnet_452_installed)
{
  # Windows Vista/Server 2008 SP2
  # GDR
  missing += hotfix_is_vulnerable(os:"6.0", sp:2, file:"System.Web.dll", version:"4.0.30319.34249", min_version:"4.0.30319.0", dir:"\Microsoft.NET\Framework\v4.0.30319");
  # LDR
  missing += hotfix_is_vulnerable(os:"6.0", sp:2, file:"System.Web.dll", version:"4.0.30319.36285", min_version:"4.0.30319.35000", dir:"\Microsoft.NET\Framework\v4.0.30319");
  # Windows 7/Server 2008 R2 SP1
  # GDR
  missing += hotfix_is_vulnerable(os:"6.1", sp:1, file:"System.Web.dll", version:"4.0.30319.34249", min_version:"4.0.30319.0", dir:"\Microsoft.NET\Framework\v4.0.30319");
  # LDR
  missing += hotfix_is_vulnerable(os:"6.1", sp:1, file:"System.Web.dll", version:"4.0.30319.36285", min_version:"4.0.30319.35000", dir:"\Microsoft.NET\Framework\v4.0.30319");
}

if (missing > 0) hotfix_add_report(bulletin:bulletin, kb:"3037581");
vuln += missing;

# Report
if (vuln > 0)
{
  set_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");
}

References