CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:N/I:N/A:C
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
89.0%
The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:0348 advisory.
glibc: buffer over-read in iconv when processing invalid multi-byte input sequences in the EUC-KR encoding (CVE-2019-25013)
glibc: stack corruption from crafted input in cosl, sinl, sincosl, and tanl functions (CVE-2020-10029)
glibc: stack-based buffer overflow if the input to any of the printf family of functions is an 80-bit long double with a non-canonical bit pattern (CVE-2020-29573)
Note that Nessus has not tested for these issues but has instead relied only on the application’s self-reported version number.
##
# (C) Tenable, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Red Hat Security Advisory RHSA-2021:0348. The text
# itself is copyright (C) Red Hat, Inc.
##
include('compat.inc');
if (description)
{
script_id(146081);
script_version("1.14");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/04/28");
script_cve_id("CVE-2019-25013", "CVE-2020-10029", "CVE-2020-29573");
script_xref(name:"RHSA", value:"2021:0348");
script_name(english:"RHEL 7 : glibc (RHSA-2021:0348)");
script_set_attribute(attribute:"synopsis", value:
"The remote Red Hat host is missing one or more security updates for glibc.");
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-2021:0348 advisory.
- glibc: buffer over-read in iconv when processing invalid multi-byte input sequences in the EUC-KR encoding
(CVE-2019-25013)
- glibc: stack corruption from crafted input in cosl, sinl, sincosl, and tanl functions (CVE-2020-10029)
- glibc: stack-based buffer overflow if the input to any of the printf family of functions is an 80-bit long
double with a non-canonical bit pattern (CVE-2020-29573)
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/2021/rhsa-2021_0348.json
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?b2a74e85");
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-2021:0348");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1810670");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1905213");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1912960");
script_set_attribute(attribute:"solution", value:
"Update the RHEL glibc package based on the guidance in RHSA-2021:0348.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:C");
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:N/I:N/A:H");
script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2019-25013");
script_set_attribute(attribute:"cvss3_score_source", value:"CVE-2020-29573");
script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
script_set_attribute(attribute:"exploit_available", value:"true");
script_cwe_id(119, 121);
script_set_attribute(attribute:"vendor_severity", value:"Moderate");
script_set_attribute(attribute:"vuln_publication_date", value:"2020/03/04");
script_set_attribute(attribute:"patch_publication_date", value:"2021/02/02");
script_set_attribute(attribute:"plugin_publication_date", value:"2021/02/03");
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:glibc");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:glibc-common");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:glibc-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:glibc-headers");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:glibc-static");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:glibc-utils");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:nscd");
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) 2021-2024 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 = [
{
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'content/dist/rhel-alt/server/7/7Server/power9/ppc64le/optional/source/SRPMS',
'content/dist/rhel-alt/server/7/7Server/power9/ppc64le/os',
'content/dist/rhel-alt/server/7/7Server/power9/ppc64le/source/SRPMS',
'content/dist/rhel-alt/server/7/7Server/system-z-a/s390x/debug',
'content/dist/rhel-alt/server/7/7Server/system-z-a/s390x/optional/debug',
'content/dist/rhel-alt/server/7/7Server/system-z-a/s390x/optional/os',
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'content/dist/rhel-alt/server/7/7Server/system-z-a/s390x/source/SRPMS',
'content/dist/rhel/client/7/7.9/x86_64/debug',
'content/dist/rhel/client/7/7.9/x86_64/optional/debug',
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'content/dist/rhel/client/7/7.9/x86_64/os',
'content/dist/rhel/client/7/7.9/x86_64/source/SRPMS',
'content/dist/rhel/client/7/7Client/x86_64/debug',
'content/dist/rhel/client/7/7Client/x86_64/optional/debug',
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'content/dist/rhel/client/7/7Client/x86_64/os',
'content/dist/rhel/client/7/7Client/x86_64/source/SRPMS',
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'content/dist/rhel/computenode/7/7ComputeNode/x86_64/debug',
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'content/dist/rhel/computenode/7/7ComputeNode/x86_64/os',
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'content/dist/rhel/power-le/7/7.9/ppc64le/debug',
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],
'pkgs': [
{'reference':'glibc-2.17-322.el7_9', 'cpu':'i686', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'glibc-2.17-322.el7_9', 'cpu':'ppc', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'glibc-2.17-322.el7_9', 'cpu':'ppc64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'glibc-2.17-322.el7_9', 'cpu':'ppc64le', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'glibc-2.17-322.el7_9', 'cpu':'s390', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'glibc-2.17-322.el7_9', 'cpu':'s390x', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'glibc-2.17-322.el7_9', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'glibc-common-2.17-322.el7_9', 'cpu':'ppc64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'glibc-common-2.17-322.el7_9', 'cpu':'ppc64le', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'glibc-common-2.17-322.el7_9', 'cpu':'s390x', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'glibc-common-2.17-322.el7_9', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'glibc-devel-2.17-322.el7_9', 'cpu':'i686', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'glibc-devel-2.17-322.el7_9', 'cpu':'ppc', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'glibc-devel-2.17-322.el7_9', 'cpu':'ppc64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'glibc-devel-2.17-322.el7_9', 'cpu':'ppc64le', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'glibc-devel-2.17-322.el7_9', 'cpu':'s390', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'glibc-devel-2.17-322.el7_9', 'cpu':'s390x', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'glibc-devel-2.17-322.el7_9', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'glibc-headers-2.17-322.el7_9', 'cpu':'ppc64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'glibc-headers-2.17-322.el7_9', 'cpu':'ppc64le', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'glibc-headers-2.17-322.el7_9', 'cpu':'s390x', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'glibc-headers-2.17-322.el7_9', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'glibc-static-2.17-322.el7_9', 'cpu':'i686', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'glibc-static-2.17-322.el7_9', 'cpu':'ppc', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'glibc-static-2.17-322.el7_9', 'cpu':'ppc64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'glibc-static-2.17-322.el7_9', 'cpu':'ppc64le', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'glibc-static-2.17-322.el7_9', 'cpu':'s390', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'glibc-static-2.17-322.el7_9', 'cpu':'s390x', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'glibc-static-2.17-322.el7_9', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'glibc-utils-2.17-322.el7_9', 'cpu':'ppc64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'glibc-utils-2.17-322.el7_9', 'cpu':'ppc64le', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'glibc-utils-2.17-322.el7_9', 'cpu':'s390x', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'glibc-utils-2.17-322.el7_9', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'nscd-2.17-322.el7_9', 'cpu':'ppc64', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'nscd-2.17-322.el7_9', 'cpu':'ppc64le', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'nscd-2.17-322.el7_9', 'cpu':'s390x', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'nscd-2.17-322.el7_9', 'cpu':'x86_64', 'release':'7', 'rpm_spec_vers_cmp':TRUE}
]
}
];
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_HOLE,
extra : extra
);
exit(0);
}
else
{
var tested = pkg_tests_get();
if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'glibc / glibc-common / glibc-devel / glibc-headers / glibc-static / etc');
}
Vendor | Product | Version | CPE |
---|---|---|---|
redhat | enterprise_linux | 7 | cpe:/o:redhat:enterprise_linux:7 |
redhat | enterprise_linux | glibc | p-cpe:/a:redhat:enterprise_linux:glibc |
redhat | enterprise_linux | glibc-common | p-cpe:/a:redhat:enterprise_linux:glibc-common |
redhat | enterprise_linux | glibc-devel | p-cpe:/a:redhat:enterprise_linux:glibc-devel |
redhat | enterprise_linux | glibc-headers | p-cpe:/a:redhat:enterprise_linux:glibc-headers |
redhat | enterprise_linux | glibc-static | p-cpe:/a:redhat:enterprise_linux:glibc-static |
redhat | enterprise_linux | glibc-utils | p-cpe:/a:redhat:enterprise_linux:glibc-utils |
redhat | enterprise_linux | nscd | p-cpe:/a:redhat:enterprise_linux:nscd |
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-25013
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-10029
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-29573
www.nessus.org/u?b2a74e85
access.redhat.com/errata/RHSA-2021:0348
access.redhat.com/security/updates/classification/#moderate
bugzilla.redhat.com/show_bug.cgi?id=1810670
bugzilla.redhat.com/show_bug.cgi?id=1905213
bugzilla.redhat.com/show_bug.cgi?id=1912960
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:N/I:N/A:C
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
89.0%