CVSS2
Attack Vector
ADJACENT_NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:A/AC:M/Au:N/C:N/I:P/A:P
EPSS
Percentile
79.1%
Network Time Protocol (NTP) Project NTP daemon (ntpd) is vulnerable to a denial of service, caused by an error when using symmetric key authentication. By sending specially-crafted packets to both peering hosts, an attacker could exploit this vulnerability to prevent synchronization.
#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The text in the description was extracted from AIX Security
# Advisory ntp_advisory3.asc.
#
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(85605);
script_version("2.4");
script_set_attribute(attribute:"plugin_modification_date", value:"2023/04/21");
script_cve_id("CVE-2015-1799");
script_name(english:"AIX 7.1 TL 2 : ntp (IV74262)");
script_summary(english:"Check for APAR IV74262");
script_set_attribute(
attribute:"synopsis",
value:"The remote AIX host is missing a security patch."
);
script_set_attribute(
attribute:"description",
value:
"Network Time Protocol (NTP) Project NTP daemon (ntpd) is vulnerable to
a denial of service, caused by an error when using symmetric key
authentication. By sending specially-crafted packets to both peering
hosts, an attacker could exploit this vulnerability to prevent
synchronization."
);
script_set_attribute(
attribute:"see_also",
value:"https://aix.software.ibm.com/aix/efixes/security/ntp_advisory3.asc"
);
script_set_attribute(
attribute:"solution",
value:"Install the appropriate interim fix."
);
script_set_cvss_base_vector("CVSS2#AV:A/AC:M/Au:N/C:N/I:P/A:P");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"cpe:/o:ibm:aix:7.1");
script_set_attribute(attribute:"vuln_publication_date", value:"2015/08/21");
script_set_attribute(attribute:"patch_publication_date", value:"2015/08/21");
script_set_attribute(attribute:"plugin_publication_date", value:"2015/08/25");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 2015-2023 Tenable Network Security, Inc.");
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:"7.1", ml:"02", sp:"06", patch:"IV74262s6a", package:"bos.net.tcp.client", minfilesetver:"7.1.0.0", maxfilesetver:"7.1.2.20") < 0) flag++;
if (flag)
{
if (report_verbosity > 0) security_warning(port:0, extra:aix_report_get());
else security_warning(0);
exit(0);
}
else audit(AUDIT_HOST_NOT, "affected");