5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:N/A:N
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
7.7 High
AI Score
Confidence
Low
0.009 Low
EPSS
Percentile
83.1%
The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2022:1354 advisory.
.NET Core is a managed-software framework. It implements a subset of the .NET framework APIs and several new APIs, and it includes a CLR implementation.
Security Fix(es):
* curl: Leak of authentication credentials in URL via automatic Referer (CVE-2021-22876)
* curl: Bad connection reuse due to flawed path name checks (CVE-2021-22924)
* curl: Requirement to use TLS not properly enforced for IMAP, POP3, and FTP protocols (CVE-2021-22946)
* curl: Server responses received before STARTTLS processed after TLS handshake (CVE-2021-22947)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux 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 70300
##
# (C) Tenable, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Red Hat Security Advisory RHSA-2022:1354. The text
# itself is copyright (C) Red Hat, Inc.
##
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(159727);
script_version("1.9");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/06/04");
script_cve_id(
"CVE-2021-22876",
"CVE-2021-22924",
"CVE-2021-22946",
"CVE-2021-22947"
);
script_xref(name:"RHSA", value:"2022:1354");
script_xref(name:"IAVA", value:"2022-A-0035");
script_xref(name:"IAVA", value:"2022-A-0030-S");
script_name(english:"RHEL 7 : rh-dotnet31-curl (RHSA-2022:1354)");
script_set_attribute(attribute:"synopsis", value:
"The remote Red Hat host is missing one or more security updates for rh-dotnet31-curl.");
script_set_attribute(attribute:"description", value:
"The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as
referenced in the RHSA-2022:1354 advisory.
.NET Core is a managed-software framework. It implements a subset of the .NET framework APIs and several
new APIs, and it includes a CLR implementation.
Security Fix(es):
* curl: Leak of authentication credentials in URL via automatic Referer (CVE-2021-22876)
* curl: Bad connection reuse due to flawed path name checks (CVE-2021-22924)
* curl: Requirement to use TLS not properly enforced for IMAP, POP3, and FTP protocols (CVE-2021-22946)
* curl: Server responses received before STARTTLS processed after TLS handshake (CVE-2021-22947)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and
other related information, refer to the CVE page(s) listed in the References section.
Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.
Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version
number.");
# https://access.redhat.com/security/data/csaf/v2/advisories/2022/rhsa-2022_1354.json
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?44d4a728");
script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/security/updates/classification/#moderate");
script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/errata/RHSA-2022:1354");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1941964");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1981460");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2003175");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2003191");
script_set_attribute(attribute:"solution", value:
"Update the RHEL rh-dotnet31-curl package based on the guidance in RHSA-2022:1354.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/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:H/I:N/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-2021-22946");
script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
script_set_attribute(attribute:"exploit_available", value:"true");
script_cwe_id(200, 295, 319);
script_set_attribute(attribute:"vendor_severity", value:"Moderate");
script_set_attribute(attribute:"vuln_publication_date", value:"2021/04/01");
script_set_attribute(attribute:"patch_publication_date", value:"2022/04/13");
script_set_attribute(attribute:"plugin_publication_date", value:"2022/04/14");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:7");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:rh-dotnet31-curl");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:rh-dotnet31-libcurl");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:rh-dotnet31-libcurl-devel");
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:"Red Hat Local Security Checks");
script_copyright(english:"This script is Copyright (C) 2022-2024 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('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: '7')) audit(AUDIT_OS_NOT, 'Red Hat 7.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 = [
{
'repo_relative_urls': [
'content/dist/rhel/computenode/7/7ComputeNode/x86_64/dotnet/1/debug',
'content/dist/rhel/computenode/7/7ComputeNode/x86_64/dotnet/1/os',
'content/dist/rhel/computenode/7/7ComputeNode/x86_64/dotnet/1/source/SRPMS',
'content/dist/rhel/server/7/7Server/x86_64/dotnet/1/debug',
'content/dist/rhel/server/7/7Server/x86_64/dotnet/1/os',
'content/dist/rhel/server/7/7Server/x86_64/dotnet/1/source/SRPMS',
'content/dist/rhel/workstation/7/7Workstation/x86_64/dotnet/1/debug',
'content/dist/rhel/workstation/7/7Workstation/x86_64/dotnet/1/os',
'content/dist/rhel/workstation/7/7Workstation/x86_64/dotnet/1/source/SRPMS'
],
'pkgs': [
{'reference':'rh-dotnet31-curl-7.61.1-22.el7_9', 'cpu':'x86_64', 'release':'7', 'el_string':'el7_9', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'rh-dotnet31'},
{'reference':'rh-dotnet31-libcurl-7.61.1-22.el7_9', 'cpu':'x86_64', 'release':'7', 'el_string':'el7_9', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'rh-dotnet31'},
{'reference':'rh-dotnet31-libcurl-devel-7.61.1-22.el7_9', 'cpu':'x86_64', 'release':'7', 'el_string':'el7_9', 'rpm_spec_vers_cmp':TRUE, 'exists_check':'rh-dotnet31'}
]
}
];
var applicable_repo_urls = rhel_determine_applicable_repository_urls(constraints:constraints);
if(applicable_repo_urls == RHEL_REPOS_NO_OVERLAP_MESSAGE) exit(0, RHEL_REPO_NOT_ENABLED);
var flag = 0;
foreach var constraint_array ( constraints ) {
var repo_relative_urls = NULL;
if (!empty_or_null(constraint_array['repo_relative_urls'])) repo_relative_urls = constraint_array['repo_relative_urls'];
foreach var pkg ( constraint_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;
var cves = NULL;
if (!empty_or_null(pkg['reference'])) reference = pkg['reference'];
if (!empty_or_null(pkg['release'])) _release = 'RHEL' + pkg['release'];
if (!empty_or_null(pkg['sp'])) sp = pkg['sp'];
if (!empty_or_null(pkg['cpu'])) _cpu = pkg['cpu'];
if (!empty_or_null(pkg['el_string'])) el_string = pkg['el_string'];
if (!empty_or_null(pkg['rpm_spec_vers_cmp'])) rpm_spec_vers_cmp = pkg['rpm_spec_vers_cmp'];
if (!empty_or_null(pkg['epoch'])) epoch = pkg['epoch'];
if (!empty_or_null(pkg['allowmaj'])) allowmaj = pkg['allowmaj'];
if (!empty_or_null(pkg['exists_check'])) exists_check = pkg['exists_check'];
if (!empty_or_null(pkg['cves'])) cves = pkg['cves'];
if (reference &&
_release &&
rhel_decide_repo_relative_url_check(required_repo_url_list:repo_relative_urls) &&
(applicable_repo_urls || (!exists_check || 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, cves:cves)) flag++;
}
}
if (flag)
{
var extra = NULL;
if (isnull(applicable_repo_urls) || !applicable_repo_urls) extra = rpm_report_get() + redhat_report_repo_caveat();
else extra = rpm_report_get();
security_report_v4(
port : 0,
severity : SECURITY_WARNING,
extra : extra
);
exit(0);
}
else
{
var tested = pkg_tests_get();
if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'rh-dotnet31-curl / rh-dotnet31-libcurl / rh-dotnet31-libcurl-devel');
}
Vendor | Product | Version | CPE |
---|---|---|---|
redhat | enterprise_linux | rh-dotnet31-libcurl-devel | p-cpe:/a:redhat:enterprise_linux:rh-dotnet31-libcurl-devel |
redhat | enterprise_linux | rh-dotnet31-libcurl | p-cpe:/a:redhat:enterprise_linux:rh-dotnet31-libcurl |
redhat | enterprise_linux | rh-dotnet31-curl | p-cpe:/a:redhat:enterprise_linux:rh-dotnet31-curl |
redhat | enterprise_linux | 7 | cpe:/o:redhat:enterprise_linux:7 |
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-22876
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-22924
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-22946
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-22947
www.nessus.org/u?44d4a728
access.redhat.com/errata/RHSA-2022:1354
access.redhat.com/security/updates/classification/#moderate
bugzilla.redhat.com/show_bug.cgi?id=1941964
bugzilla.redhat.com/show_bug.cgi?id=1981460
bugzilla.redhat.com/show_bug.cgi?id=2003175
bugzilla.redhat.com/show_bug.cgi?id=2003191
5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:N/A:N
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
7.7 High
AI Score
Confidence
Low
0.009 Low
EPSS
Percentile
83.1%