CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
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
AI Score
Confidence
High
EPSS
Percentile
79.7%
The remote Redhat Enterprise Linux 8 host has one or more packages installed that are affected by multiple vulnerabilities that have been acknowledged by the vendor but will not be patched.
follow-redirects: Exposure of Sensitive Information via Authorization Header leak (CVE-2022-0536)
golang: net/http/httputil: NewSingleHostReverseProxy - omit X-Forwarded-For not working (CVE-2022-32148)
client_golang is the instrumentation library for Go applications in Prometheus, and the promhttp package in client_golang provides tooling around HTTP servers and clients. In client_golang prior to version 1.11.1, HTTP server is susceptible to a Denial of Service through unbounded cardinality, and potential memory exhaustion, when handling requests with non-standard HTTP methods. In order to be affected, an instrumented software must use any of promhttp.InstrumentHandler*
middleware except RequestsInFlight
;
not filter any specific methods (e.g GET) before middleware; pass metric with method
label name to our middleware; and not have any firewall/LB/proxy that filters away requests with unknown method
.
client_golang version 1.11.1 contains a patch for this issue. Several workarounds are available, including removing the method
label name from counter/gauge used in the InstrumentHandler; turning off affected promhttp handlers; adding custom middleware before promhttp handler that will sanitize the request method given by Go http.Request; and using a reverse proxy or web application firewall, configured to only allow a limited set of methods. (CVE-2022-21698)
Note that Nessus has not tested for these issues but has instead relied on the package manager’s report that the package is installed.
#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Red Hat Security Advisory odo. The text
# itself is copyright (C) Red Hat, Inc.
##
include('compat.inc');
if (description)
{
script_id(199727);
script_version("1.4");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/06/13");
script_cve_id("CVE-2022-0536", "CVE-2022-21698", "CVE-2022-32148");
script_xref(name:"CISA-KNOWN-EXPLOITED", value:"2023/10/31");
script_name(english:"RHEL 8 : odo (Unpatched Vulnerability)");
script_set_attribute(attribute:"synopsis", value:
"The remote Red Hat 8 host is affected by multiple vulnerabilities that will not be patched.");
script_set_attribute(attribute:"description", value:
"The remote Redhat Enterprise Linux 8 host has one or more packages installed that are affected by multiple
vulnerabilities that have been acknowledged by the vendor but will not be patched.
- follow-redirects: Exposure of Sensitive Information via Authorization Header leak (CVE-2022-0536)
- golang: net/http/httputil: NewSingleHostReverseProxy - omit X-Forwarded-For not working (CVE-2022-32148)
- client_golang is the instrumentation library for Go applications in Prometheus, and the promhttp package
in client_golang provides tooling around HTTP servers and clients. In client_golang prior to version
1.11.1, HTTP server is susceptible to a Denial of Service through unbounded cardinality, and potential
memory exhaustion, when handling requests with non-standard HTTP methods. In order to be affected, an
instrumented software must use any of `promhttp.InstrumentHandler*` middleware except `RequestsInFlight`;
not filter any specific methods (e.g GET) before middleware; pass metric with `method` label name to our
middleware; and not have any firewall/LB/proxy that filters away requests with unknown `method`.
client_golang version 1.11.1 contains a patch for this issue. Several workarounds are available, including
removing the `method` label name from counter/gauge used in the InstrumentHandler; turning off affected
promhttp handlers; adding custom middleware before promhttp handler that will sanitize the request method
given by Go http.Request; and using a reverse proxy or web application firewall, configured to only allow
a limited set of methods. (CVE-2022-21698)
Note that Nessus has not tested for these issues but has instead relied on the package manager's report that the package
is installed.");
script_set_attribute(attribute:"solution", value:
"The vendor has acknowledged the vulnerabilities but no solution has been provided. Refer to the vendor for remediation
guidance.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:P/I:N/A:N");
script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N");
script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2022-0536");
script_set_attribute(attribute:"cvss3_score_source", value:"CVE-2022-32148");
script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
script_set_attribute(attribute:"exploit_available", value:"true");
script_set_attribute(attribute:"vendor_unpatched", value:"true");
script_set_attribute(attribute:"vuln_publication_date", value:"2022/02/09");
script_set_attribute(attribute:"plugin_publication_date", value:"2024/06/03");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:8");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:dotnet3.1");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:dotnet5.0");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:osbuild-composer");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:sg-core-rhel8");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:theia-rhel8");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Red Hat 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", "redhat_repos.nasl");
script_require_keys("Host/local_checks_enabled", "Host/RedHat/release", "Host/RedHat/rpm-list", "Host/cpu");
exit(0);
}
include('rpm.inc');
include('rhel.inc');
if (!get_kb_item("global_settings/vendor_unpatched"))
exit(0, "Unpatched Vulnerabilities Detection not active.");
if (!get_kb_item('Host/local_checks_enabled')) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
var os_release = get_kb_item('Host/RedHat/release');
if (isnull(os_release) || 'Red Hat' >!< os_release) audit(AUDIT_OS_NOT, 'Red Hat');
var os_ver = pregmatch(pattern: "Red Hat Enterprise Linux.*release ([0-9]+(\.[0-9]+)?)", string:os_release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, 'Red Hat');
os_ver = os_ver[1];
if (!rhel_check_release(operator: 'ge', os_version: os_ver, rhel_version: '8')) audit(AUDIT_OS_NOT, 'Red Hat 8.x', 'Red Hat ' + 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$" && 's390' >!< cpu && 'aarch64' >!< cpu && 'ppc' >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'Red Hat', cpu);
var constraints = [
{
'pkgs': [
{'reference':'dotnet3.1', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'unpatched_pkg':'dotnet3.1', 'cves':['CVE-2022-0536']},
{'reference':'dotnet5.0', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'unpatched_pkg':'dotnet5.0', 'cves':['CVE-2022-0536']},
{'reference':'osbuild-composer', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'unpatched_pkg':'osbuild-composer', 'cves':['CVE-2022-32148']},
{'reference':'sg-core-rhel8', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'unpatched_pkg':'sg-core-rhel8', 'cves':['CVE-2022-21698']},
{'reference':'sg-core-rhel8', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'unpatched_pkg':'sg-core-rhel8', 'cves':['CVE-2022-21698']},
{'reference':'theia-rhel8', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'unpatched_pkg':'theia-rhel8', 'cves':['CVE-2022-0536']}
]
}
];
var flag = 0;
foreach var constraint_array ( constraints ) {
var repo_relative_urls = NULL;
var enterprise_linux_flag = rhel_repo_urls_has_content_dist_rhel(repo_urls:repo_relative_urls);
foreach var pkg ( constraint_array['pkgs'] ) {
var unpatched_pkg = NULL;
var _release = NULL;
var sp = NULL;
var el_string = NULL;
var rpm_spec_vers_cmp = NULL;
var exists_check = NULL;
var cves = NULL;
if (!empty_or_null(pkg['unpatched_pkg'])) unpatched_pkg = pkg['unpatched_pkg'];
if (!empty_or_null(pkg['release'])) _release = 'RHEL' + pkg['release'];
if (!empty_or_null(pkg['sp'])) sp = pkg['sp'];
if (!empty_or_null(pkg['rpm_spec_vers_cmp'])) rpm_spec_vers_cmp = pkg['rpm_spec_vers_cmp'];
if (!empty_or_null(pkg['exists_check'])) exists_check = pkg['exists_check'];
if (!empty_or_null(pkg['cves'])) cves = pkg['cves'];
if (unpatched_pkg &&
_release &&
(!exists_check || rpm_exists(release:_release, rpm:exists_check)) &&
unpatched_package_exists(release:_release, package:unpatched_pkg, cves: cves)) flag++;
}
}
if (flag)
{
var extra = NULL;
security_report_v4(
port : 0,
severity : SECURITY_WARNING,
extra : unpatched_packages_report()
);
exit(0);
}
else
{
var tested = pkg_tests_get();
if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'dotnet3.1 / dotnet5.0 / osbuild-composer / sg-core-rhel8 / etc');
}
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
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
AI Score
Confidence
High
EPSS
Percentile
79.7%