Amazon Linux AMI : mysql55 (ALAS-2017-887)

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Amazon Linux AMI Security Advisory ALAS-2017-887.
#

include("compat.inc");

if (description)
{
  script_id(102875);
  script_version("3.4");
  script_cvs_date("Date: 2019/07/10 16:04:12");

  script_cve_id("CVE-2017-3635", "CVE-2017-3636", "CVE-2017-3641", "CVE-2017-3648", "CVE-2017-3651", "CVE-2017-3652", "CVE-2017-3653");
  script_xref(name:"ALAS", value:"2017-887");

  script_name(english:"Amazon Linux AMI : mysql55 (ALAS-2017-887)");
  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:
"Server: Charsets unspecified vulnerability (CPU Jul 2017)

Vulnerability in the MySQL Server component of Oracle MySQL
(subcomponent: Server: Charsets). Supported versions that are affected
are 5.5.56 and earlier, 5.6.36 and earlier and 5.7.18 and earlier.
Difficult to exploit vulnerability allows high privileged attacker
with network access via multiple protocols to compromise MySQL Server.
Successful attacks of this vulnerability can result in unauthorized
ability to cause a hang or frequently repeatable crash (complete DOS)
of MySQL Server. (CVE-2017-3648)

Server: DML unspecified vulnerability (CPU Jul 2017)

Vulnerability in the MySQL Server component of Oracle MySQL
(subcomponent: Server: DML). Supported versions that are affected are
5.5.56 and earlier, 5.6.36 and earlier and 5.7.18 and earlier. Easily
exploitable vulnerability allows high privileged attacker with network
access via multiple protocols to compromise MySQL Server. Successful
attacks of this vulnerability can result in unauthorized ability to
cause a hang or frequently repeatable crash (complete DOS) of MySQL
Server. (CVE-2017-3641)

Client programs unspecified vulnerability (CPU Jul 2017)

Vulnerability in the MySQL Server component of Oracle MySQL
(subcomponent: Client programs). Supported versions that are affected
are 5.5.56 and earlier and 5.6.36 and earlier. Easily exploitable
vulnerability allows low privileged attacker with logon to the
infrastructure where MySQL Server executes to compromise MySQL Server.
Successful attacks of this vulnerability can result in unauthorized
update, insert or delete access to some of MySQL Server accessible
data as well as unauthorized read access to a subset of MySQL Server
accessible data and unauthorized ability to cause a partial denial of
service (partial DOS) of MySQL Server. (CVE-2017-3636)

C API unspecified vulnerability (CPU Jul 2017) :

Vulnerability in the MySQL Connectors component of Oracle MySQL
(subcomponent: Connector/C). Supported versions that are affected are
6.1.10 and earlier. Difficult to exploit vulnerability allows low
privileged attacker with network access via multiple protocols to
compromise MySQL Connectors. Successful attacks of this vulnerability
can result in unauthorized ability to cause a hang or frequently
repeatable crash (complete DOS) of MySQL Connectors. Note: The
documentation has also been updated for the correct way to use
mysql_stmt_close(). Please see:
https://dev.mysql.com/doc/refman/5.7/en/mysql-stmt-execute.html,
https://dev.mysql.com/doc/refman/5.7/en/mysql-stmt-fetch.html,
https://dev.mysql.com/doc/refman/5.7/en/mysql-stmt-close.html,
https://dev.mysql.com/doc/refman/5.7/en/mysql-stmt-error.html,
https://dev.mysql.com/doc/refman/5.7/en/mysql-stmt-errno.html, and
https://dev.mysql.com/doc/refman/5.7/en/mysql-stmt-sqlstate.html.(CVE-
2017-3635)

Client mysqldump unspecified vulnerability (CPU Jul 2017) :

Vulnerability in the MySQL Server component of Oracle MySQL
(subcomponent: Client mysqldump). Supported versions that are affected
are 5.5.56 and earlier, 5.6.36 and earlier and 5.7.18 and earlier.
Easily exploitable vulnerability allows low privileged attacker with
network access via multiple protocols to compromise MySQL Server.
Successful attacks of this vulnerability can result in unauthorized
update, insert or delete access to some of MySQL Server accessible
data. (CVE-2017-3651)

Server: DDL unspecified vulnerability (CPU Jul 2017) :

Vulnerability in the MySQL Server component of Oracle MySQL
(subcomponent: Server: DDL). Supported versions that are affected are
5.5.56 and earlier, 5.6.36 and earlier and 5.7.18 and earlier.
Difficult to exploit vulnerability allows low privileged attacker with
network access via multiple protocols to compromise MySQL Server.
Successful attacks of this vulnerability can result in unauthorized
update, insert or delete access to some of MySQL Server accessible
data. (CVE-2017-3653)

Server: DDL unspecified vulnerability (CPU Jul 2017) :

Vulnerability in the MySQL Server component of Oracle MySQL
(subcomponent: Server: DDL). Supported versions that are affected are
5.5.56 and earlier, 5.6.36 and earlier and 5.7.18 and earlier.
Difficult to exploit vulnerability allows low privileged attacker with
network access via multiple protocols to compromise MySQL Server.
Successful attacks of this vulnerability can result in unauthorized
update, insert or delete access to some of MySQL Server accessible
data as well as unauthorized read access to a subset of MySQL Server
accessible data. (CVE-2017-3652)"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://alas.aws.amazon.com/ALAS-2017-887.html"
  );
  script_set_attribute(
    attribute:"solution", 
    value:"Run 'yum update mysql55' to update your system."
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:S/C:P/I:P/A:N");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:mysql-config");
  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-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:"vuln_publication_date", value:"2017/08/08");
  script_set_attribute(attribute:"patch_publication_date", value:"2017/08/31");
  script_set_attribute(attribute:"plugin_publication_date", value:"2017/09/01");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2017-2019 and is owned by Tenable, Inc. or an Affiliate thereof.");
  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:"mysql-config-5.5.57-1.18.amzn1")) flag++;
if (rpm_check(release:"ALA", reference:"mysql55-5.5.57-1.18.amzn1")) flag++;
if (rpm_check(release:"ALA", reference:"mysql55-bench-5.5.57-1.18.amzn1")) flag++;
if (rpm_check(release:"ALA", reference:"mysql55-debuginfo-5.5.57-1.18.amzn1")) flag++;
if (rpm_check(release:"ALA", reference:"mysql55-devel-5.5.57-1.18.amzn1")) flag++;
if (rpm_check(release:"ALA", reference:"mysql55-embedded-5.5.57-1.18.amzn1")) flag++;
if (rpm_check(release:"ALA", reference:"mysql55-embedded-devel-5.5.57-1.18.amzn1")) flag++;
if (rpm_check(release:"ALA", reference:"mysql55-libs-5.5.57-1.18.amzn1")) flag++;
if (rpm_check(release:"ALA", reference:"mysql55-server-5.5.57-1.18.amzn1")) flag++;
if (rpm_check(release:"ALA", reference:"mysql55-test-5.5.57-1.18.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, "mysql-config / mysql55 / mysql55-bench / mysql55-debuginfo / etc");
}