Vulnerabilities > CVE-2017-18264

047910
CVSS 9.8 - CRITICAL
Attack vector
NETWORK
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
HIGH
Integrity impact
HIGH
Availability impact
HIGH
network
low complexity
phpmyadmin
debian
critical
nessus

Summary

An issue was discovered in libraries/common.inc.php in phpMyAdmin 4.0 before 4.0.10.20, 4.4.x, 4.6.x, and 4.7.0 prereleases. The restrictions caused by $cfg['Servers'][$i]['AllowNoPassword'] = false are bypassed under certain PHP versions (e.g., version 5). This can allow the login of users who have no password set even if the administrator has set $cfg['Servers'][$i]['AllowNoPassword'] to false (which is also the default). This occurs because some implementations of the PHP substr function return false when given '' as the first argument.

Vulnerable Configurations

Part Description Count
Application
Phpmyadmin
79
OS
Debian
1

Nessus

NASL familyDebian Local Security Checks
NASL idDEBIAN_DLA-1415.NASL
descriptionSeveral vulnerabilities were found in phpMyAdmin, the web-based MySQL administration interface, including SQL injection attacks, denial of service, arbitrary code execution, cross-site scripting, server-side request forgery, authentication bypass, and file system traversal. For Debian 8
last seen2020-06-01
modified2020-06-02
plugin id110945
published2018-07-09
reporterThis script is Copyright (C) 2018 and is owned by Tenable, Inc. or an Affiliate thereof.
sourcehttps://www.tenable.com/plugins/nessus/110945
titleDebian DLA-1415-1 : phpmyadmin security update
code
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Debian Security Advisory DLA-1415-1. The text
# itself is copyright (C) Software in the Public Interest, Inc.
#

include("compat.inc");

if (description)
{
  script_id(110945);
  script_version("1.3");
  script_cvs_date("Date: 2018/08/08 12:52:14");

  script_cve_id("CVE-2016-6609", "CVE-2016-6614", "CVE-2016-6615", "CVE-2016-6616", "CVE-2016-6618", "CVE-2016-6619", "CVE-2016-6620", "CVE-2016-6621", "CVE-2016-6622", "CVE-2016-9865", "CVE-2017-18264");

  script_name(english:"Debian DLA-1415-1 : phpmyadmin security update");
  script_summary(english:"Checks dpkg output for the updated package.");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote Debian host is missing a security update."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"Several vulnerabilities were found in phpMyAdmin, the web-based MySQL
administration interface, including SQL injection attacks, denial of
service, arbitrary code execution, cross-site scripting, server-side
request forgery, authentication bypass, and file system traversal.

For Debian 8 'Jessie', these problems have been fixed in version
4:4.2.12-2+deb8u3.

We recommend that you upgrade your phpmyadmin packages.

NOTE: Tenable Network Security has extracted the preceding description
block directly from the DLA 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://lists.debian.org/debian-lts-announce/2018/07/msg00006.html"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://packages.debian.org/source/jessie/phpmyadmin"
  );
  script_set_attribute(
    attribute:"solution", 
    value:"Upgrade the affected phpmyadmin package."
  );
  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:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:phpmyadmin");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:8.0");

  script_set_attribute(attribute:"patch_publication_date", value:"2018/07/06");
  script_set_attribute(attribute:"plugin_publication_date", value:"2018/07/09");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2018 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"Debian Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/Debian/release", "Host/Debian/dpkg-l");

  exit(0);
}


include("audit.inc");
include("debian_package.inc");


if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item("Host/Debian/release")) audit(AUDIT_OS_NOT, "Debian");
if (!get_kb_item("Host/Debian/dpkg-l")) audit(AUDIT_PACKAGE_LIST_MISSING);


flag = 0;
if (deb_check(release:"8.0", prefix:"phpmyadmin", reference:"4:4.2.12-2+deb8u3")) flag++;

if (flag)
{
  if (report_verbosity > 0) security_hole(port:0, extra:deb_report_get());
  else security_hole(0);
  exit(0);
}
else audit(AUDIT_HOST_NOT, "affected");