CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
The version of expat installed on the remote host is prior to 2.6.3. It is, therefore, affected by multiple vulnerabilities as referenced in the SSA:2024-248-01 advisory.
New expat packages are available for Slackware 15.0 and -current to fix security issues.
Tenable has extracted the preceding description block directly from the expat security advisory.
Note that Nessus has not tested for these issues but has instead relied only on the application’s self-reported version number.
#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
##
#
# The descriptive text and package checks in this plugin were
# extracted from Slackware Security Advisory SSA:2024-248-01. The text
# itself is copyright (C) Slackware Linux, Inc.
##
include('compat.inc');
if (description)
{
script_id(206637);
script_version("1.2");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/09/06");
script_cve_id("CVE-2024-45490", "CVE-2024-45491", "CVE-2024-45492");
script_xref(name:"IAVA", value:"2024-A-0543");
script_name(english:"Slackware Linux 15.0 / current expat Multiple Vulnerabilities (SSA:2024-248-01)");
script_set_attribute(attribute:"synopsis", value:
"The remote Slackware Linux host is missing a security update to expat.");
script_set_attribute(attribute:"description", value:
"The version of expat installed on the remote host is prior to 2.6.3. It is, therefore, affected by multiple
vulnerabilities as referenced in the SSA:2024-248-01 advisory.
New expat packages are available for Slackware 15.0 and -current to fix security issues.
Tenable has extracted the preceding description block directly from the expat security advisory.
Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version
number.");
# http://www.slackware.com/security/viewer.php?l=slackware-security&y=2024&m=slackware-security.351556
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?99ccb561");
script_set_attribute(attribute:"solution", value:
"Upgrade the affected expat package.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C");
script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2024-45492");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"exploit_available", value:"false");
script_set_attribute(attribute:"vuln_publication_date", value:"2024/08/30");
script_set_attribute(attribute:"patch_publication_date", value:"2024/09/04");
script_set_attribute(attribute:"plugin_publication_date", value:"2024/09/05");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:slackware:slackware_linux:expat");
script_set_attribute(attribute:"cpe", value:"cpe:/o:slackware:slackware_linux");
script_set_attribute(attribute:"cpe", value:"cpe:/o:slackware:slackware_linux:15.0");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_set_attribute(attribute:"stig_severity", value:"I");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Slackware Local Security Checks");
script_copyright(english:"This script is Copyright (C) 2024 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("ssh_get_info.nasl");
script_require_keys("Host/local_checks_enabled", "Host/Slackware/release", "Host/Slackware/packages");
exit(0);
}
include("slackware.inc");
if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item("Host/Slackware/release")) audit(AUDIT_OS_NOT, "Slackware");
if (!get_kb_item("Host/Slackware/packages")) audit(AUDIT_PACKAGE_LIST_MISSING);
var cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Slackware", cpu);
var flag = 0;
var constraints = [
{ 'fixed_version' : '2.6.3', 'product' : 'expat', 'os_name' : 'Slackware Linux', 'os_version' : '15.0', 'service_pack' : '1_slack15.0', 'arch' : 'i586' },
{ 'fixed_version' : '2.6.3', 'product' : 'expat', 'os_name' : 'Slackware Linux', 'os_version' : '15.0', 'service_pack' : '1_slack15.0', 'arch' : 'x86_64' },
{ 'fixed_version' : '2.6.3', 'product' : 'expat', 'os_name' : 'Slackware Linux', 'os_version' : 'current', 'service_pack' : '1', 'arch' : 'i686' },
{ 'fixed_version' : '2.6.3', 'product' : 'expat', 'os_name' : 'Slackware Linux', 'os_version' : 'current', 'service_pack' : '1', 'arch' : 'x86_64' }
];
foreach var constraint (constraints) {
var pkg_arch = constraint['arch'];
var arch = NULL;
if (pkg_arch == "x86_64") {
arch = pkg_arch;
}
if (slackware_check(osver:constraint['os_version'],
arch:arch,
pkgname:constraint['product'],
pkgver:constraint['fixed_version'],
pkgarch:pkg_arch,
pkgnum:constraint['service_pack'])) flag++;
}
if (flag)
{
security_report_v4(
port : 0,
severity : SECURITY_HOLE,
extra : slackware_report_get()
);
exit(0);
}
else audit(AUDIT_HOST_NOT, "affected");