Vulnerabilities > CVE-2012-3292 - Permissions, Privileges, and Access Controls vulnerability in Globus Toolkit

#
# (C) Tenable Network Security, Inc.
#

include("compat.inc");

if (description)
{
  script_id(59734);
  script_version("1.9");
  script_cvs_date("Date: 2019/12/04");

  script_cve_id("CVE-2012-3292");
  script_bugtraq_id(53778);

  script_name(english:"Globus Toolkit GridFTP Server < 3.42 / 6.11 'getpwnam_r()' Authentication Bypass Vulnerability");
  script_summary(english:"Checks version reported in FTP banner");

  script_set_attribute(attribute:"synopsis", value:
"The remote FTP service is vulnerable to an authentication bypass
attack.");
  script_set_attribute(attribute:"description", value:
"According to its self-reported version number, the remote FTP server
is running a version of GridFTP Server earlier than 3.42 / 6.11. Such
versions reportedly are affected by an authentication bypass
vulnerability caused by incorrect use of 'getpwnam_r()'. When a
'gridmap' file is improperly configured with a valid user DN mapped to
a nonexistent user account, the GridFTP server may grant access to the
client under another account.");
  script_set_attribute(attribute:"see_also", value:"https://docs.globus.org/gt-jira-archive/#globus_toolkit_gt_195");
  script_set_attribute(attribute:"see_also", value:"https://lists.globus.org/pipermail/security-announce/2012-May/000019.html");
  script_set_attribute(attribute:"solution", value:
"Upgrade to version 3.42 / 6.11 or later.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:H/Au:N/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2012-3292");

  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:"2012/05/17");
  script_set_attribute(attribute:"patch_publication_date", value:"2012/05/17");
  script_set_attribute(attribute:"plugin_publication_date", value:"2012/06/27");

  script_set_attribute(attribute:"potential_vulnerability", value:"true");
  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:globus:globus_toolkit");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"FTP");

  script_copyright(english:"This script is Copyright (C) 2012-2019 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("gt_gridftp_detect.nasl");
  script_require_keys("Globus_Toolkit/GridFTP/Installed", "Settings/ParanoidReport");

  exit(0);
}

include("audit.inc");
include("ftp_func.inc");
include("global_settings.inc");
include("misc_func.inc");

app = "Globus Toolkit GridFTP Server";
kb = "Globus_Toolkit/GridFTP/";

if (report_paranoia < 2) audit(AUDIT_PARANOID);

get_kb_item_or_exit(kb + "Installed");

# Get the ports that FTP servers have been found on, defaulting to
# what GridFTP uses in the provided configuration file.
port = get_ftp_port(default:2811);

# Get the information from the KB.
kb += port + "/";
banner = get_kb_item_or_exit(kb + "Banner");
ver = get_kb_item_or_exit(kb + "Version");

# Check if the installation is vulnerable.
if (ver =~ "^[0-3]([^0-9]|$)")
  fix = "3.42";
else
  fix = "6.11";

if (ver_compare(ver:ver, fix:fix, strict:FALSE) >= 0)
  audit(AUDIT_LISTEN_NOT_VULN, app, port, ver);

# Generate a security report.
report = NULL;
if (report_verbosity > 0)
{
  report =
    '\n  Version source    : ' + banner +
    '\n  Installed version : ' + ver +
    '\n  Fixed version     : ' + fix +
    '\n';
}

security_hole(port:port, extra:report);

#%NASL_MIN_LEVEL 80502
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Fedora Security Advisory 2012-8461.
#

include("compat.inc");

if (description)
{
  script_id(59348);
  script_version("1.9");
  script_set_attribute(attribute:"plugin_modification_date", value:"2020/03/12");

  script_cve_id("CVE-2012-3292");
  script_xref(name:"FEDORA", value:"2012-8461");

  script_name(english:"Fedora 16 : globus-gridftp-server-6.10-2.fc16 / globus-gridftp-server-control-2.5-2.fc16 (2012-8461)");
  script_summary(english:"Checks rpm output for the updated packages.");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote Fedora host is missing one or more security updates."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"Fix for http://jira.globus.org/browse/GT-195

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://jira.globus.org/browse/GT-195
  script_set_attribute(
    attribute:"see_also",
    value:"https://docs.globus.org/gt-jira-archive/#globus_toolkit_gt_195"
  );
  # https://lists.fedoraproject.org/pipermail/package-announce/2012-June/081791.html
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?0c53de8b"
  );
  # https://lists.fedoraproject.org/pipermail/package-announce/2012-June/081792.html
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?b3e7f412"
  );
  script_set_attribute(
    attribute:"solution", 
    value:
"Update the affected globus-gridftp-server and / or
globus-gridftp-server-control packages."
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:H/Au:N/C:C/I:C/A:C");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fedoraproject:fedora:globus-gridftp-server");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fedoraproject:fedora:globus-gridftp-server-control");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:fedoraproject:fedora:16");

  script_set_attribute(attribute:"patch_publication_date", value:"2012/05/27");
  script_set_attribute(attribute:"plugin_publication_date", value:"2012/06/04");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2012-2020 and is owned by Tenable, Inc. or an Affiliate thereof.");
  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:"^16([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Fedora 16.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:"FC16", reference:"globus-gridftp-server-6.10-2.fc16")) flag++;
if (rpm_check(release:"FC16", reference:"globus-gridftp-server-control-2.5-2.fc16")) 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, "globus-gridftp-server / globus-gridftp-server-control");
}