Amazon Linux AMI : mysql55 (ALAS-2012-93)

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Amazon Linux AMI Security Advisory ALAS-2012-93.
#

include("compat.inc");

if (description)
{
  script_id(69700);
  script_version("1.6");
  script_cvs_date("Date: 2018/04/18 15:09:34");

  script_cve_id("CVE-2012-2122");
  script_xref(name:"ALAS", value:"2012-93");

  script_name(english:"Amazon Linux AMI : mysql55 (ALAS-2012-93)");
  script_summary(english:"Checks rpm output for the updated packages");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote Amazon Linux AMI host is missing a security update."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"sql/password.c in Oracle MySQL 5.1.x before 5.1.63, 5.5.x before
5.5.24, and 5.6.x before 5.6.6, and MariaDB 5.1.x before 5.1.62, 5.2.x
before 5.2.12, 5.3.x before 5.3.6, and 5.5.x before 5.5.23, when
running in certain environments with certain implementations of the
memcmp function, allows remote attackers to bypass authentication by
repeatedly authenticating with the same incorrect password, which
eventually causes a token comparison to succeed due to an
improperly-checked return value."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://alas.aws.amazon.com/ALAS-2012-93.html"
  );
  script_set_attribute(
    attribute:"solution", 
    value:"Run 'yum update mysql55' to update your system."
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:H/Au:N/C:P/I:P/A:P");
  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_set_attribute(attribute:"exploit_framework_canvas", value:"true");
  script_set_attribute(attribute:"canvas_package", value:'CANVAS');

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:mysql55");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:mysql55-bench");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:mysql55-common");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:mysql55-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:mysql55-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:mysql55-embedded");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:mysql55-embedded-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:mysql55-libs");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:mysql55-server");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:mysql55-test");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:amazon:linux");

  script_set_attribute(attribute:"patch_publication_date", value:"2012/07/05");
  script_set_attribute(attribute:"plugin_publication_date", value:"2013/09/04");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2013-2018 Tenable Network Security, Inc.");
  script_family(english:"Amazon Linux Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/AmazonLinux/release", "Host/AmazonLinux/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/AmazonLinux/release");
if (isnull(release) || !strlen(release)) audit(AUDIT_OS_NOT, "Amazon Linux");
os_ver = pregmatch(pattern: "^AL(A|\d)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "Amazon Linux");
os_ver = os_ver[1];
if (os_ver != "A")
{
  if (os_ver == 'A') os_ver = 'AMI';
  audit(AUDIT_OS_NOT, "Amazon Linux AMI", "Amazon Linux " + os_ver);
}

if (!get_kb_item("Host/AmazonLinux/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);


flag = 0;
if (rpm_check(release:"ALA", reference:"mysql55-5.5.24-1.24.amzn1")) flag++;
if (rpm_check(release:"ALA", reference:"mysql55-bench-5.5.24-1.24.amzn1")) flag++;
if (rpm_check(release:"ALA", reference:"mysql55-common-5.5.24-1.24.amzn1")) flag++;
if (rpm_check(release:"ALA", reference:"mysql55-debuginfo-5.5.24-1.24.amzn1")) flag++;
if (rpm_check(release:"ALA", reference:"mysql55-devel-5.5.24-1.24.amzn1")) flag++;
if (rpm_check(release:"ALA", reference:"mysql55-embedded-5.5.24-1.24.amzn1")) flag++;
if (rpm_check(release:"ALA", reference:"mysql55-embedded-devel-5.5.24-1.24.amzn1")) flag++;
if (rpm_check(release:"ALA", reference:"mysql55-libs-5.5.24-1.24.amzn1")) flag++;
if (rpm_check(release:"ALA", reference:"mysql55-server-5.5.24-1.24.amzn1")) flag++;
if (rpm_check(release:"ALA", reference:"mysql55-test-5.5.24-1.24.amzn1")) 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, "mysql55 / mysql55-bench / mysql55-common / mysql55-debuginfo / etc");
}