CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
AI Score
Confidence
High
EPSS
Percentile
37.7%
The remote Fedora 40 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2024-1f68985052 advisory.
This update fixes multiple CVEs and rebases to the latest upstream version:
```
* Tue Jul 09 2024 Julien Rische <[email protected]> - 1.21.3-1
- New upstream version (1.21.3)
- CVE-2024-26458: Memory leak in src/lib/rpc/pmap_rmt.c Resolves: rhbz#2266732
- CVE-2024-26461: Memory leak in src/lib/gssapi/krb5/k5sealv3.c Resolves: rhbz#2266741
- CVE-2024-26462: Memory leak in src/kdc/ndr.c Resolves: rhbz#2266743
- Add missing SPDX license identifiers Resolves: rhbz#2265333
* Mon Jul 08 2024 Julien Rische <[email protected]> - 1.21.2-6
- CVE-2024-37370 CVE-2024-37371: GSS message token handling Resolves: rhbz#2294678 rhbz#2294680
- Fix double free in klist's show_ccache() Resolves: rhbz#2257301
- Do not include files with ~ termination in krb5-tests ```
Tenable has extracted the preceding description block directly from the Fedora 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 80900
##
# (C) Tenable, Inc.
##
# The descriptive text and package checks in this plugin were
# extracted from Fedora Security Advisory FEDORA-2024-1f68985052
#
include('compat.inc');
if (description)
{
script_id(202329);
script_version("1.3");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/08/28");
script_cve_id(
"CVE-2024-26458",
"CVE-2024-26461",
"CVE-2024-26462",
"CVE-2024-37370",
"CVE-2024-37371"
);
script_xref(name:"FEDORA", value:"2024-1f68985052");
script_name(english:"Fedora 40 : krb5 (2024-1f68985052)");
script_set_attribute(attribute:"synopsis", value:
"The remote Fedora host is missing one or more security updates.");
script_set_attribute(attribute:"description", value:
"The remote Fedora 40 host has a package installed that is affected by multiple vulnerabilities as referenced in the
FEDORA-2024-1f68985052 advisory.
This update fixes multiple CVEs and rebases to the latest upstream version:
```
* Tue Jul 09 2024 Julien Rische <[email protected]> - 1.21.3-1
- New upstream version (1.21.3)
- CVE-2024-26458: Memory leak in src/lib/rpc/pmap_rmt.c
Resolves: rhbz#2266732
- CVE-2024-26461: Memory leak in src/lib/gssapi/krb5/k5sealv3.c
Resolves: rhbz#2266741
- CVE-2024-26462: Memory leak in src/kdc/ndr.c
Resolves: rhbz#2266743
- Add missing SPDX license identifiers
Resolves: rhbz#2265333
* Mon Jul 08 2024 Julien Rische <[email protected]> - 1.21.2-6
- CVE-2024-37370 CVE-2024-37371: GSS message token handling
Resolves: rhbz#2294678 rhbz#2294680
- Fix double free in klist's show_ccache()
Resolves: rhbz#2257301
- Do not include files with ~ termination in krb5-tests
```
Tenable has extracted the preceding description block directly from the Fedora security advisory.
Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version
number.");
script_set_attribute(attribute:"see_also", value:"https://bodhi.fedoraproject.org/updates/FEDORA-2024-1f68985052");
script_set_attribute(attribute:"solution", value:
"Update the affected krb5 package.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/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:H/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-2024-37371");
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:"2024/02/26");
script_set_attribute(attribute:"patch_publication_date", value:"2024/07/09");
script_set_attribute(attribute:"plugin_publication_date", value:"2024/07/13");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"cpe:/o:fedoraproject:fedora:40");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fedoraproject:fedora:krb5");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Fedora 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/RedHat/release", "Host/RedHat/rpm-list");
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/RedHat/release');
if (isnull(os_release) || 'Fedora' >!< os_release) audit(AUDIT_OS_NOT, 'Fedora');
var os_ver = pregmatch(pattern: "Fedora.*release ([0-9]+)", string:os_release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, 'Fedora');
os_ver = os_ver[1];
if (! preg(pattern:"^40([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, 'Fedora 40', 'Fedora ' + os_ver);
if (!get_kb_item('Host/RedHat/rpm-list')) audit(AUDIT_PACKAGE_LIST_MISSING);
var cpu = get_kb_item('Host/cpu');
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ('x86_64' >!< cpu && cpu !~ "^i[3-6]86$" && 's390' >!< cpu && 'aarch64' >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'Fedora', cpu);
var pkgs = [
{'reference':'krb5-1.21.3-1.fc40', 'release':'FC40', 'rpm_spec_vers_cmp':TRUE}
];
var flag = 0;
foreach 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;
if (!empty_or_null(package_array['reference'])) reference = package_array['reference'];
if (!empty_or_null(package_array['release'])) _release = 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 (reference && _release) {
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, 'krb5');
}
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-26458
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-26461
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-26462
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-37370
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-37371
bodhi.fedoraproject.org/updates/FEDORA-2024-1f68985052
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
AI Score
Confidence
High
EPSS
Percentile
37.7%