AIX 7.2 : bos.net.tcp.bind_utils (U870384)

#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were extracted
# from AIX Security PTF U870384. The text itself is copyright (C)
# International Business Machines Corp.
#

include('deprecated_nasl_level.inc');
include('compat.inc');

if (description)
{
  script_id(91238);
  script_version("2.2");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/04");

  script_name(english:"AIX 7.2 : bos.net.tcp.bind_utils (U870384)");
  script_summary(english:"Check for PTF U870384");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote AIX host is missing a vendor-supplied security patch."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"The remote host is missing AIX PTF U870384, which is related to the
security of the package bos.net.tcp.bind_utils.

ISC BIND is vulnerable to a denial of service, caused by an error in
db.c when parsing incoming responses. A remote attacker could exploit
this vulnerability to trigger a REQUIRE assertion failure and cause a
denial of service.

ISC BIND is vulnerable to a denial of service, caused by improper
bounds checking in apl_42.c. By sending specially crafted Address
Prefix List (APL) data, a remote authenticated attacker could exploit
this vulnerability to trigger an INSIST assertion failure and cause
the named process to terminate."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"http://www-01.ibm.com/support/docview.wss?uid=isg1IV80192"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"http://www-01.ibm.com/support/docview.wss?uid=isg1IV81282"
  );
  script_set_attribute(
    attribute:"solution", 
    value:"Install the appropriate missing security-related fix."
  );
  script_set_attribute(attribute:"risk_factor", value:"High");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:ibm:aix:7.2");

  script_set_attribute(attribute:"vuln_publication_date", value:"2016/01/12");
  script_set_attribute(attribute:"patch_publication_date", value:"2016/01/12");
  script_set_attribute(attribute:"plugin_publication_date", value:"2016/05/19");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2016-2021 Tenable Network Security, Inc.");
  script_family(english:"AIX Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/AIX/oslevel", "Host/AIX/version", "Host/AIX/lslpp");

  exit(0);
}



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

if ( ! get_kb_item("Host/local_checks_enabled") ) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if ( ! get_kb_item("Host/AIX/version") ) audit(AUDIT_OS_NOT, "AIX");
if ( ! get_kb_item("Host/AIX/lslpp") ) audit(AUDIT_PACKAGE_LIST_MISSING);

flag = 0;

if ( aix_check_patch(ml:"720000", patch:"U870384", package:"bos.net.tcp.bind_utils.7.2.0.1") < 0 ) flag++;

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