Vulnerabilities > CVE-2005-2050 - Remote Security vulnerability in Tor

047910
CVSS 5.0 - MEDIUM
Attack vector
NETWORK
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
PARTIAL
Integrity impact
NONE
Availability impact
NONE
network
low complexity
tor
nessus

Summary

Unknown vulnerability in Tor before 0.1.0.10 allows remote attackers to read arbitrary memory and possibly key information from the exit server's process space.

Nessus

NASL familyGentoo Local Security Checks
NASL idGENTOO_GLSA-200506-18.NASL
descriptionThe remote host is affected by the vulnerability described in GLSA-200506-18 (Tor: Information disclosure) A bug in Tor allows attackers to view arbitrary memory contents from an exit server
last seen2020-06-01
modified2020-06-02
plugin id18544
published2005-06-22
reporterThis script is Copyright (C) 2005-2019 Tenable Network Security, Inc.
sourcehttps://www.tenable.com/plugins/nessus/18544
titleGLSA-200506-18 : Tor: Information disclosure
code
#%NASL_MIN_LEVEL 80502
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Gentoo Linux Security Advisory GLSA 200506-18.
#
# The advisory text is Copyright (C) 2001-2015 Gentoo Foundation, Inc.
# and licensed under the Creative Commons - Attribution / Share Alike 
# license. See http://creativecommons.org/licenses/by-sa/3.0/
#

include("compat.inc");

if (description)
{
  script_id(18544);
  script_version("1.14");
  script_cvs_date("Date: 2019/08/02 13:32:42");

  script_cve_id("CVE-2005-2050");
  script_xref(name:"GLSA", value:"200506-18");

  script_name(english:"GLSA-200506-18 : Tor: Information disclosure");
  script_summary(english:"Checks for updated package(s) in /var/db/pkg");

  script_set_attribute(
    attribute:"synopsis", 
    value:
"The remote Gentoo host is missing one or more security-related
patches."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"The remote host is affected by the vulnerability described in GLSA-200506-18
(Tor: Information disclosure)

    A bug in Tor allows attackers to view arbitrary memory contents from an
    exit server's process space.
  
Impact :

    A remote attacker could exploit the memory disclosure to gain sensitive
    information and possibly even private keys.
  
Workaround :

    There is no known workaround at this time."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"http://archives.seul.org/or/announce/Jun-2005/msg00001.html"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://security.gentoo.org/glsa/200506-18"
  );
  script_set_attribute(
    attribute:"solution", 
    value:
"All Tor users should upgrade to the latest available version:
    # emerge --sync
    # emerge --ask --oneshot --verbose '>=net-misc/tor-0.0.9.10'"
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:gentoo:linux:tor");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:gentoo:linux");

  script_set_attribute(attribute:"patch_publication_date", value:"2005/06/21");
  script_set_attribute(attribute:"plugin_publication_date", value:"2005/06/22");
  script_set_attribute(attribute:"vuln_publication_date", value:"2005/06/10");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2005-2019 Tenable Network Security, Inc.");
  script_family(english:"Gentoo Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/Gentoo/release", "Host/Gentoo/qpkg-list");

  exit(0);
}


include("audit.inc");
include("global_settings.inc");
include("qpkg.inc");

if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item("Host/Gentoo/release")) audit(AUDIT_OS_NOT, "Gentoo");
if (!get_kb_item("Host/Gentoo/qpkg-list")) audit(AUDIT_PACKAGE_LIST_MISSING);


flag = 0;

if (qpkg_check(package:"net-misc/tor", unaffected:make_list("ge 0.0.9.10"), vulnerable:make_list("lt 0.0.9.10"))) flag++;

if (flag)
{
  if (report_verbosity > 0) security_warning(port:0, extra:qpkg_report_get());
  else security_warning(0);
  exit(0);
}
else
{
  tested = qpkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "Tor");
}