It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2024-548 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 descriptive text and package checks in this plugin were
# extracted from Amazon Linux 2023 Security Advisory ALAS2023-2024-548.
##
include('compat.inc');
if (description)
{
script_id(191618);
script_version("1.1");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/03/06");
script_cve_id("CVE-2024-0553");
script_name(english:"Amazon Linux 2023 : gnutls, gnutls-c++, gnutls-dane (ALAS2023-2024-548)");
script_set_attribute(attribute:"synopsis", value:
"The remote Amazon Linux 2023 host is missing a security update.");
script_set_attribute(attribute:"description", value:
"It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2024-548 advisory.
- A vulnerability was found in GnuTLS. The response times to malformed ciphertexts in RSA-PSK
ClientKeyExchange differ from the response times of ciphertexts with correct PKCS#1 v1.5 padding. This
issue may allow a remote attacker to perform a timing side-channel attack in the RSA-PSK key exchange,
potentially leading to the leakage of sensitive data. CVE-2024-0553 is designated as an incomplete
resolution for CVE-2023-5981. (CVE-2024-0553)
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://alas.aws.amazon.com/AL2023/ALAS-2024-548.html");
script_set_attribute(attribute:"see_also", value:"https://alas.aws.amazon.com/cve/html/CVE-2024-0553.html");
script_set_attribute(attribute:"see_also", value:"https://alas.aws.amazon.com/faqs.html");
script_set_attribute(attribute:"solution", value:
"Run 'dnf update gnutls --releasever 2023.3.20240304' to update your system.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/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-2024-0553");
script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
script_set_attribute(attribute:"exploit_available", value:"true");
script_set_attribute(attribute:"vuln_publication_date", value:"2024/01/16");
script_set_attribute(attribute:"patch_publication_date", value:"2024/02/29");
script_set_attribute(attribute:"plugin_publication_date", value:"2024/03/06");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:gnutls");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:gnutls-c++");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:gnutls-c++-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:gnutls-dane");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:gnutls-dane-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:gnutls-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:gnutls-debugsource");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:gnutls-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:gnutls-utils");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:gnutls-utils-debuginfo");
script_set_attribute(attribute:"cpe", value:"cpe:/o:amazon:linux:2023");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Amazon 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/AmazonLinux/release", "Host/AmazonLinux/rpm-list");
exit(0);
}
include("rpm.inc");
if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
var alas_release = get_kb_item("Host/AmazonLinux/release");
if (isnull(alas_release) || !strlen(alas_release)) audit(AUDIT_OS_NOT, "Amazon Linux");
var os_ver = pregmatch(pattern: "^AL(A|\d+|-\d+)", string:alas_release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "Amazon Linux");
os_ver = os_ver[1];
if (os_ver != "-2023")
{
if (os_ver == 'A') os_ver = 'AMI';
audit(AUDIT_OS_NOT, "Amazon Linux 2023", "Amazon Linux " + os_ver);
}
if (!get_kb_item("Host/AmazonLinux/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
var pkgs = [
{'reference':'gnutls-3.8.0-379.amzn2023.0.5', 'cpu':'aarch64', 'release':'AL-2023', 'rpm_spec_vers_cmp':TRUE},
{'reference':'gnutls-3.8.0-379.amzn2023.0.5', 'cpu':'x86_64', 'release':'AL-2023', 'rpm_spec_vers_cmp':TRUE},
{'reference':'gnutls-c++-3.8.0-379.amzn2023.0.5', 'cpu':'aarch64', 'release':'AL-2023', 'rpm_spec_vers_cmp':TRUE},
{'reference':'gnutls-c++-3.8.0-379.amzn2023.0.5', 'cpu':'x86_64', 'release':'AL-2023', 'rpm_spec_vers_cmp':TRUE},
{'reference':'gnutls-c++-debuginfo-3.8.0-379.amzn2023.0.5', 'cpu':'aarch64', 'release':'AL-2023', 'rpm_spec_vers_cmp':TRUE},
{'reference':'gnutls-c++-debuginfo-3.8.0-379.amzn2023.0.5', 'cpu':'x86_64', 'release':'AL-2023', 'rpm_spec_vers_cmp':TRUE},
{'reference':'gnutls-dane-3.8.0-379.amzn2023.0.5', 'cpu':'aarch64', 'release':'AL-2023', 'rpm_spec_vers_cmp':TRUE},
{'reference':'gnutls-dane-3.8.0-379.amzn2023.0.5', 'cpu':'x86_64', 'release':'AL-2023', 'rpm_spec_vers_cmp':TRUE},
{'reference':'gnutls-dane-debuginfo-3.8.0-379.amzn2023.0.5', 'cpu':'aarch64', 'release':'AL-2023', 'rpm_spec_vers_cmp':TRUE},
{'reference':'gnutls-dane-debuginfo-3.8.0-379.amzn2023.0.5', 'cpu':'x86_64', 'release':'AL-2023', 'rpm_spec_vers_cmp':TRUE},
{'reference':'gnutls-debuginfo-3.8.0-379.amzn2023.0.5', 'cpu':'aarch64', 'release':'AL-2023', 'rpm_spec_vers_cmp':TRUE},
{'reference':'gnutls-debuginfo-3.8.0-379.amzn2023.0.5', 'cpu':'x86_64', 'release':'AL-2023', 'rpm_spec_vers_cmp':TRUE},
{'reference':'gnutls-debugsource-3.8.0-379.amzn2023.0.5', 'cpu':'aarch64', 'release':'AL-2023', 'rpm_spec_vers_cmp':TRUE},
{'reference':'gnutls-debugsource-3.8.0-379.amzn2023.0.5', 'cpu':'x86_64', 'release':'AL-2023', 'rpm_spec_vers_cmp':TRUE},
{'reference':'gnutls-devel-3.8.0-379.amzn2023.0.5', 'cpu':'aarch64', 'release':'AL-2023', 'rpm_spec_vers_cmp':TRUE},
{'reference':'gnutls-devel-3.8.0-379.amzn2023.0.5', 'cpu':'x86_64', 'release':'AL-2023', 'rpm_spec_vers_cmp':TRUE},
{'reference':'gnutls-utils-3.8.0-379.amzn2023.0.5', 'cpu':'aarch64', 'release':'AL-2023', 'rpm_spec_vers_cmp':TRUE},
{'reference':'gnutls-utils-3.8.0-379.amzn2023.0.5', 'cpu':'x86_64', 'release':'AL-2023', 'rpm_spec_vers_cmp':TRUE},
{'reference':'gnutls-utils-debuginfo-3.8.0-379.amzn2023.0.5', 'cpu':'aarch64', 'release':'AL-2023', 'rpm_spec_vers_cmp':TRUE},
{'reference':'gnutls-utils-debuginfo-3.8.0-379.amzn2023.0.5', 'cpu':'x86_64', 'release':'AL-2023', 'rpm_spec_vers_cmp':TRUE}
];
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 = 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, "gnutls / gnutls-c++ / gnutls-c++-debuginfo / etc");
}
Vendor | Product | Version | CPE |
---|---|---|---|
amazon | linux | gnutls | p-cpe:/a:amazon:linux:gnutls |
amazon | linux | gnutls-c%2b%2b | p-cpe:/a:amazon:linux:gnutls-c%2b%2b |
amazon | linux | gnutls-c%2b%2b-debuginfo | p-cpe:/a:amazon:linux:gnutls-c%2b%2b-debuginfo |
amazon | linux | gnutls-dane | p-cpe:/a:amazon:linux:gnutls-dane |
amazon | linux | gnutls-dane-debuginfo | p-cpe:/a:amazon:linux:gnutls-dane-debuginfo |
amazon | linux | gnutls-debuginfo | p-cpe:/a:amazon:linux:gnutls-debuginfo |
amazon | linux | gnutls-debugsource | p-cpe:/a:amazon:linux:gnutls-debugsource |
amazon | linux | gnutls-devel | p-cpe:/a:amazon:linux:gnutls-devel |
amazon | linux | gnutls-utils | p-cpe:/a:amazon:linux:gnutls-utils |
amazon | linux | gnutls-utils-debuginfo | p-cpe:/a:amazon:linux:gnutls-utils-debuginfo |