CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
Percentile
49.4%
The version of bind installed on the remote host is prior to 9.16.42 / 9.18.16. It is, therefore, affected by a vulnerability as referenced in the SSA:2023-172-01 advisory.
recursive-clients
quota is reached on a BIND 9 resolver configured with both stale-answer-enable yes;
and stale-answer-client-timeout 0;
, a sequence of serve-stale-related lookups could cause named
to loop and terminate unexpectedly due to a stack overflow. This issue affects BIND 9 versions 9.16.33 through 9.16.41, 9.18.7 through 9.18.15, 9.16.33-S1 through 9.16.41-S1, and 9.18.11-S1 through 9.18.15-S1.Note that Nessus has not tested for this issue 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:2023-172-01. The text
# itself is copyright (C) Slackware Linux, Inc.
##
include('compat.inc');
if (description)
{
script_id(177532);
script_version("1.2");
script_set_attribute(attribute:"plugin_modification_date", value:"2023/09/21");
script_cve_id("CVE-2023-2911");
script_xref(name:"IAVA", value:"2023-A-0320-S");
script_name(english:"Slackware Linux 15.0 / current bind Vulnerability (SSA:2023-172-01)");
script_set_attribute(attribute:"synopsis", value:
"The remote Slackware Linux host is missing a security update to bind.");
script_set_attribute(attribute:"description", value:
"The version of bind installed on the remote host is prior to 9.16.42 / 9.18.16. It is, therefore, affected by a
vulnerability as referenced in the SSA:2023-172-01 advisory.
- If the `recursive-clients` quota is reached on a BIND 9 resolver configured with both `stale-answer-enable
yes;` and `stale-answer-client-timeout 0;`, a sequence of serve-stale-related lookups could cause `named`
to loop and terminate unexpectedly due to a stack overflow. This issue affects BIND 9 versions 9.16.33
through 9.16.41, 9.18.7 through 9.18.15, 9.16.33-S1 through 9.16.41-S1, and 9.18.11-S1 through 9.18.15-S1.
(CVE-2023-2911)
Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
# http://www.slackware.com/security/viewer.php?l=slackware-security&y=2023&m=slackware-security.352294
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?9b3b3be5");
script_set_attribute(attribute:"solution", value:
"Upgrade the affected bind package.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/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:N/I:N/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-2023-2911");
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:"2023/06/21");
script_set_attribute(attribute:"patch_publication_date", value:"2023/06/21");
script_set_attribute(attribute:"plugin_publication_date", value:"2023/06/22");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:slackware:slackware_linux:bind");
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) 2023 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' : '9.16.42', 'product' : 'bind', 'os_name' : 'Slackware Linux', 'os_version' : '15.0', 'service_pack' : '1_slack15.0', 'arch' : 'i586' },
{ 'fixed_version' : '9.16.42', 'product' : 'bind', 'os_name' : 'Slackware Linux', 'os_version' : '15.0', 'service_pack' : '1_slack15.0', 'arch' : 'x86_64' },
{ 'fixed_version' : '9.18.16', 'product' : 'bind', 'os_name' : 'Slackware Linux', 'os_version' : 'current', 'service_pack' : '1', 'arch' : 'i586' },
{ 'fixed_version' : '9.18.16', 'product' : 'bind', 'os_name' : 'Slackware Linux', 'os_version' : 'current', 'service_pack' : '1', 'arch' : 'x86_64' }
];
foreach 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");
Vendor | Product | Version | CPE |
---|---|---|---|
slackware | slackware_linux | 15.0 | cpe:/o:slackware:slackware_linux:15.0 |
slackware | slackware_linux | bind | p-cpe:/a:slackware:slackware_linux:bind |
slackware | slackware_linux | cpe:/o:slackware:slackware_linux |