Vulnerabilities > CVE-2013-7088 - Classic Buffer Overflow vulnerability in multiple products

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Gentoo Linux Security Advisory GLSA 201405-08.
#
# The advisory text is Copyright (C) 2001-2019 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(74051);
  script_version("1.6");
  script_cvs_date("Date: 2019/11/22");

  script_cve_id("CVE-2013-2020", "CVE-2013-2021", "CVE-2013-7087", "CVE-2013-7088", "CVE-2013-7089");
  script_bugtraq_id(58546, 59434, 60118);
  script_xref(name:"GLSA", value:"201405-08");

  script_name(english:"GLSA-201405-08 : ClamAV: Multiple vulnerabilities");
  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-201405-08
(ClamAV: Multiple vulnerabilities)

    Multiple vulnerabilities have been discovered in ClamAV. Please review
      the CVE identifiers referenced below for details.
  
Impact :

    A remote attacker could send a specially crafted file, leading to
      arbitrary code execution or a Denial of Service condition.
  
Workaround :

    There is no known workaround at this time."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://security.gentoo.org/glsa/201405-08"
  );
  script_set_attribute(
    attribute:"solution", 
    value:
"All ClamAV users should upgrade to the latest version:
      # emerge --sync
      # emerge --ask --oneshot --verbose '>=app-antivirus/clamav-0.98'"
  );
  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:U/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:U/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:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:gentoo:linux:clamav");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:gentoo:linux");

  script_set_attribute(attribute:"vuln_publication_date", value:"2013/05/13");
  script_set_attribute(attribute:"patch_publication_date", value:"2014/05/16");
  script_set_attribute(attribute:"plugin_publication_date", value:"2014/05/19");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2014-2019 and is owned by Tenable, Inc. or an Affiliate thereof.");
  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:"app-antivirus/clamav", unaffected:make_list("ge 0.98"), vulnerable:make_list("lt 0.98"))) flag++;

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

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




include("compat.inc");

if (description)
{
  script_id(65668);
  script_version("1.12");
  script_cvs_date("Date: 2019/12/04");

  script_cve_id("CVE-2013-7087", "CVE-2013-7088", "CVE-2013-7089");
  script_bugtraq_id(58546);

  script_name(english:"ClamAV < 0.97.7 Multiple Vulnerabilities");
  script_summary(english:"Checks response to a clamd VERSION command");

  script_set_attribute(attribute:"synopsis", value:
"The antivirus service running on the remote host is affected by
multiple vulnerabilities.");
  script_set_attribute(attribute:"description", value:
"According to its version, the ClamAV clamd antivirus daemon on the
remote host is earlier than 0.97.7 and is, therefore, potentially
affected by the following vulnerabilities :

  - A memory access error exists related to the function
    'check_user_password' and debug-printing that could
    access 32 bytes rather than the proper 16 bytes.
    (Issue 6804 / CVE-2013-7089)

  - A heap-corruption error exists in the function
    'wwunpack' in the file 'libclamav/wwunpack.c' related
    to unpacking 'WWPack' files. (Issue 6806 /
    CVE-2013-7087)

  - An unspecified overflow error exists related to 'y0da'
    emulation that could result in application crashes or
    other unspecified impact. (Issue 6809 / CVE-2013-7088)

  - A double-free error exists in the function
    'unrar_extract_next_prepare' in the file
    'libclamunrar_iface/unrar_iface.c' related to handling
    'RAR' files.");
  script_set_attribute(attribute:"see_also", value:"https://blog.clamav.net/2013/03/clamav-0977-has-been-released.html");
  script_set_attribute(attribute:"see_also", value:"https://github.com/vrtadmin/clamav-devel/blob/master/ChangeLog");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.clamav.net/show_bug.cgi?id=6804");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.clamav.net/show_bug.cgi?id=6806");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.clamav.net/show_bug.cgi?id=6809");
  script_set_attribute(attribute:"solution", value:
"Upgrade to ClamAV 0.97.7 or later.");
  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:U/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:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2013-7088");

  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:"2013/03/15");
  script_set_attribute(attribute:"patch_publication_date", value:"2013/02/12");
  script_set_attribute(attribute:"plugin_publication_date", value:"2013/03/24");

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

  script_category(ACT_GATHER_INFO);
  script_family(english:"Misc.");

  script_copyright(english:"This script is Copyright (C) 2013-2019 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("clamav_detect.nasl");
  script_require_keys("Antivirus/ClamAV/version", "Settings/ParanoidReport");

  exit(0);
}


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

version = get_kb_item_or_exit("Antivirus/ClamAV/version");
port = get_service(svc:"clamd", default:3310, exit_on_fail:TRUE);

# nb: banner checks of open source software are prone to false-
#     positives so only run the check if reporting is paranoid.
if (report_paranoia < 2) audit(AUDIT_PARANOID);

# Check the version number.
#
# nb: versions like 0.94rc1 are possible.
ver = split(version, sep:'.', keep:FALSE);
for (i=0; i<max_index(ver); i++)
  ver[i] = int(ver[i]);

if (
  (ver[0] == 0 && ver[1] < 97) ||
  (ver[0] == 0 && ver[1] == 97 && ver[2] < 7)
)
{
  if (report_verbosity > 0)
  {
    report =
      '\n  Installed version : ' + version +
      '\n  Fixed version     : 0.97.7\n';
    security_hole(port:port, extra:report);
  }
  else security_hole(port);
  exit(0);
}
else audit(AUDIT_LISTEN_NOT_VULN, "ClamAV", port, version);