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AIX 7.2 TL 2 : spectre_meltdown (IJ03036) (Meltdown) (Spectre)

2018-01-25T00:00:00
ID AIX_IJ03036.NASL
Type nessus
Reporter This script is Copyright (C) 2019 and is owned by Tenable, Inc. or an Affiliate thereof.
Modified 2021-03-02T00:00:00

Description

Systems with microprocessors utilizing speculative execution and indirect branch prediction may allow unauthorized disclosure of information to an attacker with local user access via a side-channel analysis.

                                        
                                            #
# (C) Tenable Network Security, Inc.
#
# The text in the description was extracted from AIX Security
# Advisory spectre_meltdown_advisory.asc.
#

include("compat.inc");

if (description)
{
  script_id(106316);
  script_version("1.9");
  script_cvs_date("Date: 2019/04/05 23:25:05");

  script_cve_id("CVE-2017-5715", "CVE-2017-5753", "CVE-2017-5754");
  script_xref(name:"IAVA", value:"2018-A-0019");
  script_xref(name:"IAVA", value:"2018-A-0020");

  script_name(english:"AIX 7.2 TL 2 : spectre_meltdown (IJ03036) (Meltdown) (Spectre)");
  script_summary(english:"Check for APAR IJ03036");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote AIX host is missing a security patch."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"Systems with microprocessors utilizing speculative execution and indirect
branch prediction may allow unauthorized disclosure of information to an
attacker with local user access via a side-channel analysis."
  );
  # http://aix.software.ibm.com/aix/efixes/security/spectre_meltdown_advisory.asc
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?0ecfba9a"
  );
  script_set_attribute(
    attribute:"solution", 
    value:"Install the appropriate interim fix."
  );
  script_set_cvss_base_vector("CVSS2#AV:L/AC:M/Au:N/C:C/I:N/A:N");
  script_set_cvss_temporal_vector("CVSS2#E:H/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:H/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2017-5715");
  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_set_attribute(attribute:"exploited_by_malware", 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:"cpe:/o:ibm:aix:7.2");

  script_set_attribute(attribute:"vuln_publication_date", value:"2018/01/25");
  script_set_attribute(attribute:"patch_publication_date", value:"2018/01/25");
  script_set_attribute(attribute:"in_the_news", value:"true");
  script_set_attribute(attribute:"generated_plugin", value:"former");
  script_set_attribute(attribute:"plugin_publication_date", value:"2018/01/25");
  script_set_attribute(attribute:"stig_severity", value:"I");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2019 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"AIX Local Security Checks");

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

  exit(0);
}



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

if ( get_kb_item("Host/AIX/emgr_failure" ) ) exit(0, "This iFix check is disabled because : "+get_kb_item("Host/AIX/emgr_failure") );

flag = 0;

if (aix_check_ifix(release:"7.2", ml:"02", sp:"00", patch:"(IJ03036m1a|IJ05818m1a)", package:"bos.mp64", minfilesetver:"7.2.2.0", maxfilesetver:"7.2.2.0") < 0) flag++;
if (aix_check_ifix(release:"7.2", ml:"02", sp:"01", patch:"(IJ03036m1a|IJ05818m1a)", package:"bos.mp64", minfilesetver:"7.2.2.0", maxfilesetver:"7.2.2.0") < 0) flag++;

if (flag)
{
  aix_report_extra = ereg_replace(string:aix_report_get(), pattern:"[()]", replace:"");
  aix_report_extra = ereg_replace(string:aix_report_extra, pattern:"[|]", replace:" or ");
  if (report_verbosity > 0) security_warning(port:0, extra:aix_report_get());
  else security_warning(0);
  exit(0);
}
else audit(AUDIT_HOST_NOT, "affected");
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