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
EPSS
Percentile
88.5%
The remote AlmaLinux 9 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2024:5138 advisory.
* httpd: Security issues via?backend applications whose response headers are malicious or exploitable (CVE-2024-38476)
Tenable has extracted the preceding description block directly from the AlmaLinux security advisory.
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 package checks in this plugin were extracted from
# AlmaLinux Security Advisory ALSA-2024:5138.
##
include('compat.inc');
if (description)
{
script_id(205221);
script_version("1.2");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/08/22");
script_cve_id("CVE-2024-38476");
script_xref(name:"ALSA", value:"2024:5138");
script_name(english:"AlmaLinux 9 : httpd (ALSA-2024:5138)");
script_set_attribute(attribute:"synopsis", value:
"The remote AlmaLinux host is missing a security update.");
script_set_attribute(attribute:"description", value:
"The remote AlmaLinux 9 host has packages installed that are affected by a vulnerability as referenced in the
ALSA-2024:5138 advisory.
* httpd: Security issues via?backend applications whose response headers are malicious or exploitable
(CVE-2024-38476)
Tenable has extracted the preceding description block directly from the AlmaLinux security advisory.
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://errata.almalinux.org/9/ALSA-2024-5138.html");
script_set_attribute(attribute:"solution", value:
"Update the affected packages.");
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-2024-38476");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"exploit_available", value:"false");
script_cwe_id(829);
script_set_attribute(attribute:"vuln_publication_date", value:"2024/07/01");
script_set_attribute(attribute:"patch_publication_date", value:"2024/08/08");
script_set_attribute(attribute:"plugin_publication_date", value:"2024/08/08");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:httpd");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:httpd-core");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:httpd-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:httpd-filesystem");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:httpd-manual");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:httpd-tools");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:mod_ldap");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:mod_lua");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:mod_proxy_html");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:mod_session");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:alma:linux:mod_ssl");
script_set_attribute(attribute:"cpe", value:"cpe:/o:alma:linux:9");
script_set_attribute(attribute:"cpe", value:"cpe:/o:alma:linux:9::appstream");
script_set_attribute(attribute:"cpe", value:"cpe:/o:alma:linux:9::baseos");
script_set_attribute(attribute:"cpe", value:"cpe:/o:alma:linux:9::crb");
script_set_attribute(attribute:"cpe", value:"cpe:/o:alma:linux:9::highavailability");
script_set_attribute(attribute:"cpe", value:"cpe:/o:alma:linux:9::nfv");
script_set_attribute(attribute:"cpe", value:"cpe:/o:alma:linux:9::realtime");
script_set_attribute(attribute:"cpe", value:"cpe:/o:alma:linux:9::resilientstorage");
script_set_attribute(attribute:"cpe", value:"cpe:/o:alma:linux:9::sap");
script_set_attribute(attribute:"cpe", value:"cpe:/o:alma:linux:9::sap_hana");
script_set_attribute(attribute:"cpe", value:"cpe:/o:alma:linux:9::supplementary");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Alma Linux 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/AlmaLinux/release", "Host/AlmaLinux/rpm-list", "Host/cpu");
exit(0);
}
include('rpm.inc');
if (!get_kb_item('Host/local_checks_enabled')) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
var os_release = get_kb_item('Host/AlmaLinux/release');
if (isnull(os_release) || 'AlmaLinux' >!< os_release) audit(AUDIT_OS_NOT, 'AlmaLinux');
var os_ver = pregmatch(pattern: "AlmaLinux release ([0-9]+(\.[0-9]+)?)", string:os_release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, 'AlmaLinux');
os_ver = os_ver[1];
if (! preg(pattern:"^9([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, 'AlmaLinux 9.x', 'AlmaLinux ' + os_ver);
if (!get_kb_item('Host/AlmaLinux/rpm-list')) audit(AUDIT_PACKAGE_LIST_MISSING);
var cpu = get_kb_item('Host/cpu');
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ('aarch64' >!< cpu && 'ppc' >!< cpu && 's390' >!< cpu && 'x86_64' >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'AlmaLinux', cpu);
var pkgs = [
{'reference':'httpd-2.4.57-11.el9_4.1', 'cpu':'aarch64', 'release':'9', 'el_string':'el9_4', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
{'reference':'httpd-2.4.57-11.el9_4.1', 'cpu':'ppc64le', 'release':'9', 'el_string':'el9_4', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
{'reference':'httpd-2.4.57-11.el9_4.1', 'cpu':'s390x', 'release':'9', 'el_string':'el9_4', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
{'reference':'httpd-2.4.57-11.el9_4.1', 'cpu':'x86_64', 'release':'9', 'el_string':'el9_4', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
{'reference':'httpd-core-2.4.57-11.el9_4.1', 'cpu':'aarch64', 'release':'9', 'el_string':'el9_4', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
{'reference':'httpd-core-2.4.57-11.el9_4.1', 'cpu':'ppc64le', 'release':'9', 'el_string':'el9_4', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
{'reference':'httpd-core-2.4.57-11.el9_4.1', 'cpu':'s390x', 'release':'9', 'el_string':'el9_4', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
{'reference':'httpd-core-2.4.57-11.el9_4.1', 'cpu':'x86_64', 'release':'9', 'el_string':'el9_4', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
{'reference':'httpd-devel-2.4.57-11.el9_4.1', 'cpu':'aarch64', 'release':'9', 'el_string':'el9_4', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
{'reference':'httpd-devel-2.4.57-11.el9_4.1', 'cpu':'ppc64le', 'release':'9', 'el_string':'el9_4', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
{'reference':'httpd-devel-2.4.57-11.el9_4.1', 'cpu':'s390x', 'release':'9', 'el_string':'el9_4', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
{'reference':'httpd-devel-2.4.57-11.el9_4.1', 'cpu':'x86_64', 'release':'9', 'el_string':'el9_4', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
{'reference':'httpd-filesystem-2.4.57-11.el9_4.1', 'release':'9', 'el_string':'el9_4', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
{'reference':'httpd-manual-2.4.57-11.el9_4.1', 'release':'9', 'el_string':'el9_4', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
{'reference':'httpd-tools-2.4.57-11.el9_4.1', 'cpu':'aarch64', 'release':'9', 'el_string':'el9_4', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
{'reference':'httpd-tools-2.4.57-11.el9_4.1', 'cpu':'ppc64le', 'release':'9', 'el_string':'el9_4', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
{'reference':'httpd-tools-2.4.57-11.el9_4.1', 'cpu':'s390x', 'release':'9', 'el_string':'el9_4', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
{'reference':'httpd-tools-2.4.57-11.el9_4.1', 'cpu':'x86_64', 'release':'9', 'el_string':'el9_4', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
{'reference':'mod_ldap-2.4.57-11.el9_4.1', 'cpu':'aarch64', 'release':'9', 'el_string':'el9_4', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
{'reference':'mod_ldap-2.4.57-11.el9_4.1', 'cpu':'ppc64le', 'release':'9', 'el_string':'el9_4', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
{'reference':'mod_ldap-2.4.57-11.el9_4.1', 'cpu':'s390x', 'release':'9', 'el_string':'el9_4', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
{'reference':'mod_ldap-2.4.57-11.el9_4.1', 'cpu':'x86_64', 'release':'9', 'el_string':'el9_4', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
{'reference':'mod_lua-2.4.57-11.el9_4.1', 'cpu':'aarch64', 'release':'9', 'el_string':'el9_4', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
{'reference':'mod_lua-2.4.57-11.el9_4.1', 'cpu':'ppc64le', 'release':'9', 'el_string':'el9_4', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
{'reference':'mod_lua-2.4.57-11.el9_4.1', 'cpu':'s390x', 'release':'9', 'el_string':'el9_4', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
{'reference':'mod_lua-2.4.57-11.el9_4.1', 'cpu':'x86_64', 'release':'9', 'el_string':'el9_4', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
{'reference':'mod_proxy_html-2.4.57-11.el9_4.1', 'cpu':'aarch64', 'release':'9', 'el_string':'el9_4', 'rpm_spec_vers_cmp':TRUE, 'epoch':'1'},
{'reference':'mod_proxy_html-2.4.57-11.el9_4.1', 'cpu':'ppc64le', 'release':'9', 'el_string':'el9_4', 'rpm_spec_vers_cmp':TRUE, 'epoch':'1'},
{'reference':'mod_proxy_html-2.4.57-11.el9_4.1', 'cpu':'s390x', 'release':'9', 'el_string':'el9_4', 'rpm_spec_vers_cmp':TRUE, 'epoch':'1'},
{'reference':'mod_proxy_html-2.4.57-11.el9_4.1', 'cpu':'x86_64', 'release':'9', 'el_string':'el9_4', 'rpm_spec_vers_cmp':TRUE, 'epoch':'1'},
{'reference':'mod_session-2.4.57-11.el9_4.1', 'cpu':'aarch64', 'release':'9', 'el_string':'el9_4', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
{'reference':'mod_session-2.4.57-11.el9_4.1', 'cpu':'ppc64le', 'release':'9', 'el_string':'el9_4', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
{'reference':'mod_session-2.4.57-11.el9_4.1', 'cpu':'s390x', 'release':'9', 'el_string':'el9_4', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
{'reference':'mod_session-2.4.57-11.el9_4.1', 'cpu':'x86_64', 'release':'9', 'el_string':'el9_4', 'rpm_spec_vers_cmp':TRUE, 'epoch':'0'},
{'reference':'mod_ssl-2.4.57-11.el9_4.1', 'cpu':'aarch64', 'release':'9', 'el_string':'el9_4', 'rpm_spec_vers_cmp':TRUE, 'epoch':'1'},
{'reference':'mod_ssl-2.4.57-11.el9_4.1', 'cpu':'ppc64le', 'release':'9', 'el_string':'el9_4', 'rpm_spec_vers_cmp':TRUE, 'epoch':'1'},
{'reference':'mod_ssl-2.4.57-11.el9_4.1', 'cpu':'s390x', 'release':'9', 'el_string':'el9_4', 'rpm_spec_vers_cmp':TRUE, 'epoch':'1'},
{'reference':'mod_ssl-2.4.57-11.el9_4.1', 'cpu':'x86_64', 'release':'9', 'el_string':'el9_4', 'rpm_spec_vers_cmp':TRUE, 'epoch':'1'}
];
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 = 'Alma-' + 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 && (!exists_check || rpm_exists(release:_release, rpm:exists_check))) {
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, 'httpd / httpd-core / httpd-devel / httpd-filesystem / httpd-manual / etc');
}
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
EPSS
Percentile
88.5%