7.5 High
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
7.7 High
AI Score
Confidence
High
0.002 Low
EPSS
Percentile
52.0%
The remote Oracle Linux 8 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2023-5474 advisory.
named
calls certain functions recursively during packet parsing. Recursion depth is only limited by the maximum accepted packet size; depending on the environment, this may cause the packet-parsing code to run out of available stack memory, causing named
to terminate unexpectedly. Since each incoming control channel message is fully parsed before its contents are authenticated, exploiting this flaw does not require the attacker to hold a valid RNDC key;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 Oracle Linux Security Advisory ELSA-2023-5474.
##
include('compat.inc');
if (description)
{
script_id(182739);
script_version("1.1");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/02/16");
script_cve_id("CVE-2023-3341");
script_xref(name:"IAVA", value:"2023-A-0500-S");
script_name(english:"Oracle Linux 8 : bind (ELSA-2023-5474)");
script_set_attribute(attribute:"synopsis", value:
"The remote Oracle Linux host is missing a security update.");
script_set_attribute(attribute:"description", value:
"The remote Oracle Linux 8 host has packages installed that are affected by a vulnerability as referenced in the
ELSA-2023-5474 advisory.
- The code that processes control channel messages sent to `named` calls certain functions recursively
during packet parsing. Recursion depth is only limited by the maximum accepted packet size; depending on
the environment, this may cause the packet-parsing code to run out of available stack memory, causing
`named` to terminate unexpectedly. Since each incoming control channel message is fully parsed before its
contents are authenticated, exploiting this flaw does not require the attacker to hold a valid RNDC key;
only network access to the control channel's configured TCP port is necessary. This issue affects BIND 9
versions 9.2.0 through 9.16.43, 9.18.0 through 9.18.18, 9.19.0 through 9.19.16, 9.9.3-S1 through
9.16.43-S1, and 9.18.0-S1 through 9.18.18-S1. (CVE-2023-3341)
Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
script_set_attribute(attribute:"see_also", value:"https://linux.oracle.com/errata/ELSA-2023-5474.html");
script_set_attribute(attribute:"solution", value:
"Update the affected packages.");
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-2023-3341");
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:"2023/09/20");
script_set_attribute(attribute:"patch_publication_date", value:"2023/10/06");
script_set_attribute(attribute:"plugin_publication_date", value:"2023/10/06");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"cpe:/a:oracle:linux:8::appstream");
script_set_attribute(attribute:"cpe", value:"cpe:/o:oracle:linux:8");
script_set_attribute(attribute:"cpe", value:"cpe:/o:oracle:linux:8:8:baseos_patch");
script_set_attribute(attribute:"cpe", value:"cpe:/o:oracle:linux:8::baseos_latest");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:bind");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:bind-chroot");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:bind-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:bind-export-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:bind-export-libs");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:bind-libs");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:bind-libs-lite");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:bind-license");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:bind-lite-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:bind-pkcs11");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:bind-pkcs11-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:bind-pkcs11-libs");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:bind-pkcs11-utils");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:bind-sdb");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:bind-sdb-chroot");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:bind-utils");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:python3-bind");
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:"Oracle Linux Local Security Checks");
script_copyright(english:"This script is Copyright (C) 2023-2024 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("ssh_get_info.nasl");
script_require_keys("Host/OracleLinux", "Host/RedHat/release", "Host/RedHat/rpm-list", "Host/local_checks_enabled");
exit(0);
}
include('rpm.inc');
if (!get_kb_item('Host/local_checks_enabled')) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item('Host/OracleLinux')) audit(AUDIT_OS_NOT, 'Oracle Linux');
var os_release = get_kb_item("Host/RedHat/release");
if (isnull(os_release) || !pregmatch(pattern: "Oracle (?:Linux Server|Enterprise Linux)", string:os_release)) audit(AUDIT_OS_NOT, 'Oracle Linux');
var os_ver = pregmatch(pattern: "Oracle (?:Linux Server|Enterprise Linux) .*release ([0-9]+(\.[0-9]+)?)", string:os_release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, 'Oracle Linux');
os_ver = os_ver[1];
if (! preg(pattern:"^8([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, 'Oracle Linux 8', 'Oracle Linux ' + os_ver);
if (!get_kb_item('Host/RedHat/rpm-list')) audit(AUDIT_PACKAGE_LIST_MISSING);
var cpu = get_kb_item('Host/cpu');
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ('x86_64' >!< cpu && cpu !~ "^i[3-6]86$" && 'aarch64' >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'Oracle Linux', cpu);
var pkgs = [
{'reference':'bind-9.11.36-8.el8_8.2', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'32'},
{'reference':'bind-chroot-9.11.36-8.el8_8.2', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'32'},
{'reference':'bind-devel-9.11.36-8.el8_8.2', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'32'},
{'reference':'bind-export-devel-9.11.36-8.el8_8.2', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'32'},
{'reference':'bind-export-libs-9.11.36-8.el8_8.2', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'32'},
{'reference':'bind-libs-9.11.36-8.el8_8.2', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'32'},
{'reference':'bind-libs-lite-9.11.36-8.el8_8.2', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'32'},
{'reference':'bind-license-9.11.36-8.el8_8.2', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'32'},
{'reference':'bind-lite-devel-9.11.36-8.el8_8.2', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'32'},
{'reference':'bind-pkcs11-9.11.36-8.el8_8.2', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'32'},
{'reference':'bind-pkcs11-devel-9.11.36-8.el8_8.2', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'32'},
{'reference':'bind-pkcs11-libs-9.11.36-8.el8_8.2', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'32'},
{'reference':'bind-pkcs11-utils-9.11.36-8.el8_8.2', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'32'},
{'reference':'bind-sdb-9.11.36-8.el8_8.2', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'32'},
{'reference':'bind-sdb-chroot-9.11.36-8.el8_8.2', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'32'},
{'reference':'bind-utils-9.11.36-8.el8_8.2', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'32'},
{'reference':'python3-bind-9.11.36-8.el8_8.2', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'32'},
{'reference':'bind-devel-9.11.36-8.el8_8.2', 'cpu':'i686', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'32'},
{'reference':'bind-export-devel-9.11.36-8.el8_8.2', 'cpu':'i686', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'32'},
{'reference':'bind-export-libs-9.11.36-8.el8_8.2', 'cpu':'i686', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'32'},
{'reference':'bind-libs-9.11.36-8.el8_8.2', 'cpu':'i686', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'32'},
{'reference':'bind-libs-lite-9.11.36-8.el8_8.2', 'cpu':'i686', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'32'},
{'reference':'bind-lite-devel-9.11.36-8.el8_8.2', 'cpu':'i686', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'32'},
{'reference':'bind-pkcs11-devel-9.11.36-8.el8_8.2', 'cpu':'i686', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'32'},
{'reference':'bind-pkcs11-libs-9.11.36-8.el8_8.2', 'cpu':'i686', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'32'},
{'reference':'bind-9.11.36-8.el8_8.2', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'32'},
{'reference':'bind-chroot-9.11.36-8.el8_8.2', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'32'},
{'reference':'bind-devel-9.11.36-8.el8_8.2', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'32'},
{'reference':'bind-export-devel-9.11.36-8.el8_8.2', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'32'},
{'reference':'bind-export-libs-9.11.36-8.el8_8.2', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'32'},
{'reference':'bind-libs-9.11.36-8.el8_8.2', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'32'},
{'reference':'bind-libs-lite-9.11.36-8.el8_8.2', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'32'},
{'reference':'bind-license-9.11.36-8.el8_8.2', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'32'},
{'reference':'bind-lite-devel-9.11.36-8.el8_8.2', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'32'},
{'reference':'bind-pkcs11-9.11.36-8.el8_8.2', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'32'},
{'reference':'bind-pkcs11-devel-9.11.36-8.el8_8.2', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'32'},
{'reference':'bind-pkcs11-libs-9.11.36-8.el8_8.2', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'32'},
{'reference':'bind-pkcs11-utils-9.11.36-8.el8_8.2', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'32'},
{'reference':'bind-sdb-9.11.36-8.el8_8.2', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'32'},
{'reference':'bind-sdb-chroot-9.11.36-8.el8_8.2', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'32'},
{'reference':'bind-utils-9.11.36-8.el8_8.2', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'32'},
{'reference':'python3-bind-9.11.36-8.el8_8.2', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'32'}
];
var flag = 0;
foreach var package_array ( pkgs ) {
var reference = NULL;
var _release = NULL;
var sp = NULL;
var _cpu = NULL;
var el_string = NULL;
var rpm_spec_vers_cmp = NULL;
var epoch = NULL;
var allowmaj = NULL;
var exists_check = NULL;
if (!empty_or_null(package_array['reference'])) reference = package_array['reference'];
if (!empty_or_null(package_array['release'])) _release = 'EL' + package_array['release'];
if (!empty_or_null(package_array['sp'])) sp = package_array['sp'];
if (!empty_or_null(package_array['cpu'])) _cpu = package_array['cpu'];
if (!empty_or_null(package_array['el_string'])) el_string = package_array['el_string'];
if (!empty_or_null(package_array['rpm_spec_vers_cmp'])) rpm_spec_vers_cmp = package_array['rpm_spec_vers_cmp'];
if (!empty_or_null(package_array['epoch'])) epoch = package_array['epoch'];
if (!empty_or_null(package_array['allowmaj'])) allowmaj = package_array['allowmaj'];
if (!empty_or_null(package_array['exists_check'])) exists_check = package_array['exists_check'];
if (reference && _release) {
if (exists_check) {
if (rpm_exists(release:_release, rpm:exists_check) && rpm_check(release:_release, sp:sp, cpu:cpu, reference:reference, epoch:epoch, el_string:el_string, rpm_spec_vers_cmp:rpm_spec_vers_cmp, allowmaj:allowmaj)) flag++;
} else {
if (rpm_check(release:_release, sp:sp, cpu:_cpu, reference:reference, epoch:epoch, el_string:el_string, rpm_spec_vers_cmp:rpm_spec_vers_cmp, allowmaj:allowmaj)) flag++;
}
}
}
if (flag)
{
security_report_v4(
port : 0,
severity : SECURITY_HOLE,
extra : rpm_report_get()
);
exit(0);
}
else
{
var tested = pkg_tests_get();
if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'bind / bind-chroot / bind-devel / etc');
}
Vendor | Product | Version | CPE |
---|---|---|---|
oracle | linux | 8 | cpe:/a:oracle:linux:8::appstream |
oracle | linux | 8 | cpe:/o:oracle:linux:8 |
oracle | linux | 8 | cpe:/o:oracle:linux:8:8:baseos_patch |
oracle | linux | 8 | cpe:/o:oracle:linux:8::baseos_latest |
oracle | linux | bind | p-cpe:/a:oracle:linux:bind |
oracle | linux | bind-chroot | p-cpe:/a:oracle:linux:bind-chroot |
oracle | linux | bind-devel | p-cpe:/a:oracle:linux:bind-devel |
oracle | linux | bind-export-devel | p-cpe:/a:oracle:linux:bind-export-devel |
oracle | linux | bind-export-libs | p-cpe:/a:oracle:linux:bind-export-libs |
oracle | linux | bind-libs | p-cpe:/a:oracle:linux:bind-libs |
7.5 High
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
7.7 High
AI Score
Confidence
High
0.002 Low
EPSS
Percentile
52.0%