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(106315);
script_version("1.13");
script_set_attribute(attribute:"plugin_modification_date", value:"2023/04/21");
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 1 : spectre_meltdown (IJ03035) (Meltdown) (Spectre)");
script_summary(english:"Check for APAR IJ03035");
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."
);
# https://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) 2019-2023 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:"01", sp:"01", patch:"(IJ03035m1a)", package:"bos.mp64", minfilesetver:"7.2.1.0", maxfilesetver:"7.2.1.1") < 0) flag++;
if (aix_check_ifix(release:"7.2", ml:"01", sp:"01", patch:"(IJ03035m1b)", package:"bos.mp64", minfilesetver:"7.2.1.2", maxfilesetver:"7.2.1.4") < 0) flag++;
if (aix_check_ifix(release:"7.2", ml:"01", sp:"02", patch:"(IJ03035m2a|IJ05820m2a)", package:"bos.mp64", minfilesetver:"7.2.1.0", maxfilesetver:"7.2.1.4") < 0) flag++;
if (aix_check_ifix(release:"7.2", ml:"01", sp:"03", patch:"(IJ03035m3a|IJ05820m3a)", package:"bos.mp64", minfilesetver:"7.2.1.0", maxfilesetver:"7.2.1.4") < 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_extra);
else security_warning(0);
exit(0);
}
else audit(AUDIT_HOST_NOT, "affected");