Vulnerabilities > CVE-2011-0492 - Resource Management Errors vulnerability in TOR

#%NASL_MIN_LEVEL 80502
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Fedora Security Advisory 2011-0650.
#

include("compat.inc");

if (description)
{
  script_id(55002);
  script_version("1.10");
  script_cvs_date("Date: 2019/08/02 13:32:33");

  script_cve_id("CVE-2011-0015", "CVE-2011-0016", "CVE-2011-0427", "CVE-2011-0490", "CVE-2011-0491", "CVE-2011-0492", "CVE-2011-0493");
  script_bugtraq_id(45832, 45953);
  script_xref(name:"FEDORA", value:"2011-0650");

  script_name(english:"Fedora 13 : tor-0.2.1.29-1300.fc13 (2011-0650)");
  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:
"  - Mon Jan 17 2011 Enrico Scholz <enrico.scholz at
    informatik.tu-chemnitz.de> - 0.2.1.29-1300

    - updated to 0.2.1.29 (SECURITY)

    - CVE-2011-0427: heap overflow bug, potential remote
      code execution

    - Tue Dec 21 2010 Luke Macken <lmacken at redhat.com> -
      0.2.1.28-1300

    - updated to 0.2.1.28 (SECURITY: fixes a remotely
      exploitable heap overflow bug)

    - Fri Nov 26 2010 Enrico Scholz <enrico.scholz at
      informatik.tu-chemnitz.de> - 0.2.1.27-1300

    - updated to 0.2.1.27

    - work around broken chkconfig by adding dummy
      Default-Start: in -lsb (#647512)

    - Fri Nov 26 2010 Enrico Scholz <enrico.scholz at
      informatik.tu-chemnitz.de>

    - fixed 'limit' statement in upstart script

    - Tue Jun 1 2010 Enrico Scholz <enrico.scholz at
      informatik.tu-chemnitz.de> - 0.2.1.26-1300

    - updated to 0.2.1.26

    - removed workaround to install lsb initscript because
      parts of the underlying problem have been fixed in
      redhat-lsb and the remaining ones were solved by
      previous commit

  - Tue Jun 1 2010 Enrico Scholz <enrico.scholz at
    informatik.tu-chemnitz.de> - 0.2.1.25-1301

    - removed $local_fs dependency in -lsb initscript to
      workaround buggy redhat-lsb; $remote_fs should imply
      it

  - Thu Mar 18 2010 Enrico Scholz <enrico.scholz at
    informatik.tu-chemnitz.de> - 0.2.1.25-1300

    - updated to 0.2.1.25

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."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.redhat.com/show_bug.cgi?id=671259"
  );
  # https://lists.fedoraproject.org/pipermail/package-announce/2011-June/061286.html
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?204d659a"
  );
  script_set_attribute(attribute:"solution", value:"Update the affected tor package.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P");
  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:tor");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:fedoraproject:fedora:13");

  script_set_attribute(attribute:"patch_publication_date", value:"2011/01/21");
  script_set_attribute(attribute:"plugin_publication_date", value:"2011/06/09");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2011-2019 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:"tor-0.2.1.29-1300.fc13")) flag++;


if (flag)
{
  if (report_verbosity > 0) security_warning(port:0, extra:rpm_report_get());
  else security_warning(0);
  exit(0);
}
else
{
  tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "tor");
}