Vulnerabilities > CVE-2010-2540 - Permissions, Privileges, and Access Controls vulnerability in multiple products

047910
CVSS 10.0 - CRITICAL
Attack vector
NETWORK
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
COMPLETE
Integrity impact
COMPLETE
Availability impact
COMPLETE
network
low complexity
osgeo
umn
CWE-264
critical
nessus

Summary

mapserv.c in mapserv in MapServer before 4.10.6 and 5.x before 5.6.4 does not properly restrict the use of CGI command-line arguments that were intended for debugging, which allows remote attackers to have an unspecified impact via crafted arguments.

Common Attack Pattern Enumeration and Classification (CAPEC)

  • Accessing, Modifying or Executing Executable Files
    An attack of this type exploits a system's configuration that allows an attacker to either directly access an executable file, for example through shell access; or in a possible worst case allows an attacker to upload a file and then execute it. Web servers, ftp servers, and message oriented middleware systems which have many integration points are particularly vulnerable, because both the programmers and the administrators must be in synch regarding the interfaces and the correct privileges for each interface.
  • Leverage Executable Code in Non-Executable Files
    An attack of this type exploits a system's trust in configuration and resource files, when the executable loads the resource (such as an image file or configuration file) the attacker has modified the file to either execute malicious code directly or manipulate the target process (e.g. application server) to execute based on the malicious configuration parameters. Since systems are increasingly interrelated mashing up resources from local and remote sources the possibility of this attack occurring is high. The attack can be directed at a client system, such as causing buffer overrun through loading seemingly benign image files, as in Microsoft Security Bulletin MS04-028 where specially crafted JPEG files could cause a buffer overrun once loaded into the browser. Another example targets clients reading pdf files. In this case the attacker simply appends javascript to the end of a legitimate url for a pdf (http://www.gnucitizen.org/blog/danger-danger-danger/) http://path/to/pdf/file.pdf#whatever_name_you_want=javascript:your_code_here The client assumes that they are reading a pdf, but the attacker has modified the resource and loaded executable javascript into the client's browser process. The attack can also target server processes. The attacker edits the resource or configuration file, for example a web.xml file used to configure security permissions for a J2EE app server, adding role name "public" grants all users with the public role the ability to use the administration functionality. The server trusts its configuration file to be correct, but when they are manipulated, the attacker gains full control.
  • Blue Boxing
    This type of attack against older telephone switches and trunks has been around for decades. A tone is sent by an adversary to impersonate a supervisor signal which has the effect of rerouting or usurping command of the line. While the US infrastructure proper may not contain widespread vulnerabilities to this type of attack, many companies are connected globally through call centers and business process outsourcing. These international systems may be operated in countries which have not upgraded Telco infrastructure and so are vulnerable to Blue boxing. Blue boxing is a result of failure on the part of the system to enforce strong authorization for administrative functions. While the infrastructure is different than standard current applications like web applications, there are historical lessons to be learned to upgrade the access control for administrative functions.
  • Restful Privilege Elevation
    Rest uses standard HTTP (Get, Put, Delete) style permissions methods, but these are not necessarily correlated generally with back end programs. Strict interpretation of HTTP get methods means that these HTTP Get services should not be used to delete information on the server, but there is no access control mechanism to back up this logic. This means that unless the services are properly ACL'd and the application's service implementation are following these guidelines then an HTTP request can easily execute a delete or update on the server side. The attacker identifies a HTTP Get URL such as http://victimsite/updateOrder, which calls out to a program to update orders on a database or other resource. The URL is not idempotent so the request can be submitted multiple times by the attacker, additionally, the attacker may be able to exploit the URL published as a Get method that actually performs updates (instead of merely retrieving data). This may result in malicious or inadvertent altering of data on the server.
  • Target Programs with Elevated Privileges
    This attack targets programs running with elevated privileges. The attacker would try to leverage a bug in the running program and get arbitrary code to execute with elevated privileges. For instance an attacker would look for programs that write to the system directories or registry keys (such as HKLM, which stores a number of critical Windows environment variables). These programs are typically running with elevated privileges and have usually not been designed with security in mind. Such programs are excellent exploit targets because they yield lots of power when they break. The malicious user try to execute its code at the same level as a privileged system call.

Nessus

  • NASL familyFedora Local Security Checks
    NASL idFEDORA_2010-12266.NASL
    description - Update to 5.6.5, for various fixes described at: http://trac.osgeo.org/mapserver/browser/tags/rel-5-6-5/m apserver/HISTORY.TXT Also fixes CVE-2010-2539, CVE-2010-2540, per bz #617301 and #617312. Note that Tenable Network Security has extracted the preceding description block directly from the Fedora security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
    last seen2020-06-01
    modified2020-06-02
    plugin id48746
    published2010-08-26
    reporterThis script is Copyright (C) 2010-2019 Tenable Network Security, Inc.
    sourcehttps://www.tenable.com/plugins/nessus/48746
    titleFedora 13 : mapserver-5.6.5-1.fc13 (2010-12266)
    code
    #%NASL_MIN_LEVEL 80502
    #
    # (C) Tenable Network Security, Inc.
    #
    # The descriptive text and package checks in this plugin were  
    # extracted from Fedora Security Advisory 2010-12266.
    #
    
    include("compat.inc");
    
    if (description)
    {
      script_id(48746);
      script_version("1.10");
      script_cvs_date("Date: 2019/08/02 13:32:31");
    
      script_cve_id("CVE-2010-2539", "CVE-2010-2540");
      script_bugtraq_id(41855);
      script_xref(name:"FEDORA", value:"2010-12266");
    
      script_name(english:"Fedora 13 : mapserver-5.6.5-1.fc13 (2010-12266)");
      script_summary(english:"Checks rpm output for the updated package.");
    
      script_set_attribute(
        attribute:"synopsis", 
        value:"The remote Fedora host is missing a security update."
      );
      script_set_attribute(
        attribute:"description", 
        value:
    "  - Update to 5.6.5, for various fixes described at:
        http://trac.osgeo.org/mapserver/browser/tags/rel-5-6-5/m
        apserver/HISTORY.TXT Also fixes CVE-2010-2539,
        CVE-2010-2540, per bz #617301 and #617312.
    
    Note that Tenable Network Security has extracted the preceding
    description block directly from the Fedora security advisory. Tenable
    has attempted to automatically clean and format it as much as possible
    without introducing additional issues."
      );
      # http://trac.osgeo.org/mapserver/browser/tags/rel-5-6-5/mapserver/HISTORY.TXT
      script_set_attribute(
        attribute:"see_also",
        value:"http://www.nessus.org/u?ae8c5947"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.redhat.com/show_bug.cgi?id=617301"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.redhat.com/show_bug.cgi?id=617312"
      );
      # https://lists.fedoraproject.org/pipermail/package-announce/2010-August/046434.html
      script_set_attribute(
        attribute:"see_also",
        value:"http://www.nessus.org/u?506168b8"
      );
      script_set_attribute(
        attribute:"solution", 
        value:"Update the affected mapserver package."
      );
      script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C");
      script_set_cvss_temporal_vector("CVSS2#E:ND/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:"plugin_type", value:"local");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fedoraproject:fedora:mapserver");
      script_set_attribute(attribute:"cpe", value:"cpe:/o:fedoraproject:fedora:13");
    
      script_set_attribute(attribute:"patch_publication_date", value:"2010/08/07");
      script_set_attribute(attribute:"plugin_publication_date", value:"2010/08/26");
      script_end_attributes();
    
      script_category(ACT_GATHER_INFO);
      script_copyright(english:"This script is Copyright (C) 2010-2019 Tenable Network Security, Inc.");
      script_family(english:"Fedora Local Security Checks");
    
      script_dependencies("ssh_get_info.nasl");
      script_require_keys("Host/local_checks_enabled", "Host/RedHat/release", "Host/RedHat/rpm-list");
    
      exit(0);
    }
    
    
    include("audit.inc");
    include("global_settings.inc");
    include("rpm.inc");
    
    if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
    release = get_kb_item("Host/RedHat/release");
    if (isnull(release) || "Fedora" >!< release) audit(AUDIT_OS_NOT, "Fedora");
    os_ver = eregmatch(pattern: "Fedora.*release ([0-9]+)", string:release);
    if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "Fedora");
    os_ver = os_ver[1];
    if (! ereg(pattern:"^13([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Fedora 13.x", "Fedora " + os_ver);
    
    if (!get_kb_item("Host/RedHat/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
    
    cpu = get_kb_item("Host/cpu");
    if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
    if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Fedora", cpu);
    
    flag = 0;
    if (rpm_check(release:"FC13", reference:"mapserver-5.6.5-1.fc13")) flag++;
    
    
    if (flag)
    {
      if (report_verbosity > 0) security_hole(port:0, extra:rpm_report_get());
      else security_hole(0);
      exit(0);
    }
    else
    {
      tested = pkg_tests_get();
      if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
      else audit(AUDIT_PACKAGE_NOT_INSTALLED, "mapserver");
    }
    
  • NASL familyCGI abuses
    NASL idMAPSERVER_INSECURE_CGI_ARGS.NASL
    descriptionThe version of MapServer installed on the remote host allows the use of several insecure command-line debug arguments that are affected by unspecified vulnerabilities.
    last seen2020-06-01
    modified2020-06-02
    plugin id47861
    published2010-07-27
    reporterThis script is Copyright (C) 2010-2018 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/47861
    titleMapServer Insecure MapServ CGI Command-line Debug Args
    code
    #
    # (C) Tenable Network Security, Inc.
    #
    
    include('compat.inc');
    
    if (description)
    {
      script_id(47861);
      script_version("1.10");
      script_cvs_date("Date: 2018/06/13 18:56:28");
    
      script_cve_id("CVE-2010-2540");
      script_bugtraq_id(41855);
    
      script_name(english:"MapServer Insecure MapServ CGI Command-line Debug Args");
      script_summary(english:"Attempts to set MS_ERRORFILE to a non-existent file");
    
      script_set_attribute(attribute:"synopsis", value:
    "The remote web server hosts a CGI application that allows the use of
    insecure command-line arguments.");
    
      script_set_attribute(attribute:"description", value:
    "The version of MapServer installed on the remote host allows the use
    of several insecure command-line debug arguments that are affected by
    unspecified vulnerabilities.");
    
      script_set_attribute(attribute:"see_also", value:"http://trac.osgeo.org/mapserver/ticket/3485");
      script_set_attribute(attribute:"solution", value:
    "Upgrade to MapServer 5.6.4 / 4.6.10 or later if necessary and
    reconfigure the application with MS_ENABLE_CGI_CL_DEBUG_ARGS
    disabled.");
      script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P");
      script_set_cvss_temporal_vector("CVSS2#E:ND/RL:OF/RC:C");
      script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
      script_set_cvss3_temporal_vector("CVSS:3.0/E:X/RL:O/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:"2010/07/09");
      script_set_attribute(attribute:"patch_publication_date", value:"2010/07/09");
      script_set_attribute(attribute:"plugin_publication_date", value:"2010/07/27");
    
      script_set_attribute(attribute:"plugin_type", value:"remote");
      script_end_attributes();
    
      script_category(ACT_ATTACK);
      script_family(english:"CGI abuses");
    
      script_copyright(english:"This script is Copyright (C) 2010-2018 and is owned by Tenable, Inc. or an Affiliate thereof.");
    
      script_dependencies("mapserver_detect.nasl");
      script_exclude_keys("Settings/disable_cgi_scanning");
      script_require_ports("Services/www", 80);
      script_require_keys("www/mapserver");
    
      exit(0);
    }
    
    include("audit.inc");
    include("global_settings.inc");
    include("misc_func.inc");
    include("http.inc");
    include("webapp_func.inc");
    
    port = get_http_port(default:80);
    
    install = get_install_from_kb(appname:'mapserver', port:port, exit_on_fail:TRUE);
    
    nonexistentfile = '/nonexistentdir/'+unixtime()+'/'+SCRIPT_NAME;
    url = install['dir']+'?MS_ERRORFILE%3d'+nonexistentfile;
    
    res = http_send_recv3(method:"GET", item:url, port:port, exit_on_fail:TRUE);
    
    if (
      'loadMap(): Web application error. CGI variable &quot;map&quot; is not set.' >< res[2] &&
      'msSetErrorFile(): General error message. Failed to open MS_ERRORFILE '+nonexistentfile >< res[2]
    )
    {
      report = get_vuln_report(
        items:url,
        port:80
      );
      security_report_v4(port:port, extra:report, severity:SECURITY_HOLE);
      exit(0);
    }
    else exit(0, 'The MapServer install at '+build_url(port:port, qs:install['dir'])+' is not affected because the insecure CGI args are disabled.');
    
  • NASL familyDebian Local Security Checks
    NASL idDEBIAN_DSA-2079.NASL
    descriptionSeveral vulnerabilities have been discovered in mapserver, a CGI-based web framework to publish spatial data and interactive mapping applications. The Common Vulnerabilities and Exposures project identifies the following problems : - CVE-2010-2539 A stack-based buffer overflow in the msTmpFile function might lead to arbitrary code execution under some conditions. - CVE-2010-2540 It was discovered that the CGI debug command-line arguments which are enabled by default are insecure and may allow a remote attacker to execute arbitrary code. Therefore they have been disabled by default.
    last seen2020-06-01
    modified2020-06-02
    plugin id48222
    published2010-08-03
    reporterThis script is Copyright (C) 2010-2019 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/48222
    titleDebian DSA-2079-1 : mapserver - several vulnerabilities
    code
    #%NASL_MIN_LEVEL 80502
    #
    # (C) Tenable Network Security, Inc.
    #
    # The descriptive text and package checks in this plugin were  
    # extracted from Debian Security Advisory DSA-2079. The text 
    # itself is copyright (C) Software in the Public Interest, Inc.
    #
    
    include("compat.inc");
    
    if (description)
    {
      script_id(48222);
      script_version("1.10");
      script_cvs_date("Date: 2019/08/02 13:32:22");
    
      script_cve_id("CVE-2010-2539", "CVE-2010-2540");
      script_bugtraq_id(41855);
      script_xref(name:"DSA", value:"2079");
    
      script_name(english:"Debian DSA-2079-1 : mapserver - several vulnerabilities");
      script_summary(english:"Checks dpkg output for the updated package");
    
      script_set_attribute(
        attribute:"synopsis", 
        value:"The remote Debian host is missing a security-related update."
      );
      script_set_attribute(
        attribute:"description", 
        value:
    "Several vulnerabilities have been discovered in mapserver, a CGI-based
    web framework to publish spatial data and interactive mapping
    applications. The Common Vulnerabilities and Exposures project
    identifies the following problems :
    
      - CVE-2010-2539
        A stack-based buffer overflow in the msTmpFile function
        might lead to arbitrary code execution under some
        conditions.
    
      - CVE-2010-2540
        It was discovered that the CGI debug command-line
        arguments which are enabled by default are insecure and
        may allow a remote attacker to execute arbitrary code.
        Therefore they have been disabled by default."
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://security-tracker.debian.org/tracker/CVE-2010-2539"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://security-tracker.debian.org/tracker/CVE-2010-2540"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://www.debian.org/security/2010/dsa-2079"
      );
      script_set_attribute(
        attribute:"solution", 
        value:
    "Upgrade the mapserver packages.
    
    For the stable distribution (lenny), this problem has been fixed in
    version 5.0.3-3+lenny5."
      );
      script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C");
      script_set_cvss_temporal_vector("CVSS2#E:ND/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:"plugin_type", value:"local");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:mapserver");
      script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:5.0");
    
      script_set_attribute(attribute:"patch_publication_date", value:"2010/07/31");
      script_set_attribute(attribute:"plugin_publication_date", value:"2010/08/03");
      script_end_attributes();
    
      script_category(ACT_GATHER_INFO);
      script_copyright(english:"This script is Copyright (C) 2010-2019 and is owned by Tenable, Inc. or an Affiliate thereof.");
      script_family(english:"Debian Local Security Checks");
    
      script_dependencies("ssh_get_info.nasl");
      script_require_keys("Host/local_checks_enabled", "Host/Debian/release", "Host/Debian/dpkg-l");
    
      exit(0);
    }
    
    
    include("audit.inc");
    include("debian_package.inc");
    
    
    if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
    if (!get_kb_item("Host/Debian/release")) audit(AUDIT_OS_NOT, "Debian");
    if (!get_kb_item("Host/Debian/dpkg-l")) audit(AUDIT_PACKAGE_LIST_MISSING);
    
    
    flag = 0;
    if (deb_check(release:"5.0", prefix:"cgi-mapserver", reference:"5.0.3-3+lenny5")) flag++;
    if (deb_check(release:"5.0", prefix:"libmapscript-ruby", reference:"5.0.3-3+lenny5")) flag++;
    if (deb_check(release:"5.0", prefix:"libmapscript-ruby1.8", reference:"5.0.3-3+lenny5")) flag++;
    if (deb_check(release:"5.0", prefix:"libmapscript-ruby1.9", reference:"5.0.3-3+lenny5")) flag++;
    if (deb_check(release:"5.0", prefix:"mapserver-bin", reference:"5.0.3-3+lenny5")) flag++;
    if (deb_check(release:"5.0", prefix:"mapserver-doc", reference:"5.0.3-3+lenny5")) flag++;
    if (deb_check(release:"5.0", prefix:"perl-mapscript", reference:"5.0.3-3+lenny5")) flag++;
    if (deb_check(release:"5.0", prefix:"php5-mapscript", reference:"5.0.3-3+lenny5")) flag++;
    if (deb_check(release:"5.0", prefix:"python-mapscript", reference:"5.0.3-3+lenny5")) flag++;
    
    if (flag)
    {
      if (report_verbosity > 0) security_hole(port:0, extra:deb_report_get());
      else security_hole(0);
      exit(0);
    }
    else audit(AUDIT_HOST_NOT, "affected");