Vulnerabilities > CVE-2005-0470

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

Summary

Buffer overflow in wpa_supplicant before 0.2.7 allows remote attackers to cause a denial of service (segmentation fault) via invalid EAPOL-Key packet data.

Nessus

NASL familyGentoo Local Security Checks
NASL idGENTOO_GLSA-200502-22.NASL
descriptionThe remote host is affected by the vulnerability described in GLSA-200502-22 (wpa_supplicant: Buffer overflow vulnerability) wpa_supplicant contains a possible buffer overflow due to the lacking validation of received EAPOL-Key frames. Impact : An attacker could cause the crash of wpa_supplicant using a specially crafted packet. Workaround : There is no known workaround at this time.
last seen2020-06-01
modified2020-06-02
plugin id17127
published2005-02-16
reporterThis script is Copyright (C) 2005-2019 Tenable Network Security, Inc.
sourcehttps://www.tenable.com/plugins/nessus/17127
titleGLSA-200502-22 : wpa_supplicant: Buffer overflow vulnerability
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 200502-22.
#
# 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(17127);
  script_version("1.14");
  script_cvs_date("Date: 2019/08/02 13:32:42");

  script_cve_id("CVE-2005-0470");
  script_xref(name:"GLSA", value:"200502-22");

  script_name(english:"GLSA-200502-22 : wpa_supplicant: Buffer overflow vulnerability");
  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-200502-22
(wpa_supplicant: Buffer overflow vulnerability)

    wpa_supplicant contains a possible buffer overflow due to the lacking
    validation of received EAPOL-Key frames.
  
Impact :

    An attacker could cause the crash of wpa_supplicant using a specially
    crafted packet.
  
Workaround :

    There is no known workaround at this time."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"http://lists.shmoo.com/pipermail/hostap/2005-February/009465.html"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://security.gentoo.org/glsa/200502-22"
  );
  script_set_attribute(
    attribute:"solution", 
    value:
"All wpa_supplicant users should upgrade to the latest version:
    # emerge --sync
    # emerge --ask --oneshot --verbose '>=net-wireless/wpa_supplicant-0.2.7'"
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P");

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

  script_set_attribute(attribute:"patch_publication_date", value:"2005/02/16");
  script_set_attribute(attribute:"plugin_publication_date", value:"2005/02/16");
  script_set_attribute(attribute:"vuln_publication_date", value:"2005/02/13");
  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-wireless/wpa_supplicant", unaffected:make_list("ge 0.2.7"), vulnerable:make_list("lt 0.2.7"))) 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, "wpa_supplicant");
}