It is, therefore, affected by a vulnerability as referenced in the ALAS2-2024-2408 advisory.
/concat?/%2557EB-INF/web.xml
can retrieve the web.xml file. This can reveal sensitive information regarding the implementation of a web application. (CVE-2021-28169)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 2 Security Advisory ALAS-2024-2408.
##
include('compat.inc');
if (description)
{
script_id(187843);
script_version("1.0");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/01/09");
script_cve_id("CVE-2021-28169");
script_name(english:"Amazon Linux 2 : jetty (ALAS-2024-2408)");
script_set_attribute(attribute:"synopsis", value:
"The remote Amazon Linux 2 host is missing a security update.");
script_set_attribute(attribute:"description", value:
"It is, therefore, affected by a vulnerability as referenced in the ALAS2-2024-2408 advisory.
- For Eclipse Jetty versions <= 9.4.40, <= 10.0.2, <= 11.0.2, it is possible for requests to the
ConcatServlet with a doubly encoded path to access protected resources within the WEB-INF directory. For
example a request to `/concat?/%2557EB-INF/web.xml` can retrieve the web.xml file. This can reveal
sensitive information regarding the implementation of a web application. (CVE-2021-28169)
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/AL2/ALAS-2024-2408.html");
script_set_attribute(attribute:"see_also", value:"https://alas.aws.amazon.com/cve/html/CVE-2021-28169.html");
script_set_attribute(attribute:"see_also", value:"https://alas.aws.amazon.com/faqs.html");
script_set_attribute(attribute:"solution", value:
"Run 'yum update jetty' to update your system.");
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:U/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:N/A:N");
script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2021-28169");
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:"2021/06/09");
script_set_attribute(attribute:"patch_publication_date", value:"2024/01/03");
script_set_attribute(attribute:"plugin_publication_date", value:"2024/01/09");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:jetty-annotations");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:jetty-ant");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:jetty-client");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:jetty-continuation");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:jetty-deploy");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:jetty-http");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:jetty-io");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:jetty-jaas");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:jetty-jaspi");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:jetty-javadoc");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:jetty-jmx");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:jetty-jndi");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:jetty-jsp");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:jetty-jspc-maven-plugin");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:jetty-maven-plugin");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:jetty-monitor");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:jetty-plus");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:jetty-project");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:jetty-proxy");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:jetty-rewrite");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:jetty-runner");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:jetty-security");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:jetty-server");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:jetty-servlet");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:jetty-servlets");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:jetty-start");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:jetty-util");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:jetty-util-ajax");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:jetty-webapp");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:jetty-websocket-api");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:jetty-websocket-client");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:jetty-websocket-common");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:jetty-websocket-parent");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:jetty-websocket-server");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:jetty-websocket-servlet");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:jetty-xml");
script_set_attribute(attribute:"cpe", value:"cpe:/o:amazon:linux:2");
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 != "2")
{
if (os_ver == 'A') os_ver = 'AMI';
audit(AUDIT_OS_NOT, "Amazon Linux 2", "Amazon Linux " + os_ver);
}
if (!get_kb_item("Host/AmazonLinux/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
var pkgs = [
{'reference':'jetty-annotations-9.0.3-8.amzn2.0.1', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'jetty-ant-9.0.3-8.amzn2.0.1', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'jetty-client-9.0.3-8.amzn2.0.1', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'jetty-continuation-9.0.3-8.amzn2.0.1', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'jetty-deploy-9.0.3-8.amzn2.0.1', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'jetty-http-9.0.3-8.amzn2.0.1', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'jetty-io-9.0.3-8.amzn2.0.1', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'jetty-jaas-9.0.3-8.amzn2.0.1', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'jetty-jaspi-9.0.3-8.amzn2.0.1', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'jetty-javadoc-9.0.3-8.amzn2.0.1', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'jetty-jmx-9.0.3-8.amzn2.0.1', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'jetty-jndi-9.0.3-8.amzn2.0.1', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'jetty-jsp-9.0.3-8.amzn2.0.1', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'jetty-jspc-maven-plugin-9.0.3-8.amzn2.0.1', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'jetty-maven-plugin-9.0.3-8.amzn2.0.1', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'jetty-monitor-9.0.3-8.amzn2.0.1', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'jetty-plus-9.0.3-8.amzn2.0.1', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'jetty-project-9.0.3-8.amzn2.0.1', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'jetty-proxy-9.0.3-8.amzn2.0.1', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'jetty-rewrite-9.0.3-8.amzn2.0.1', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'jetty-runner-9.0.3-8.amzn2.0.1', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'jetty-security-9.0.3-8.amzn2.0.1', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'jetty-server-9.0.3-8.amzn2.0.1', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'jetty-servlet-9.0.3-8.amzn2.0.1', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'jetty-servlets-9.0.3-8.amzn2.0.1', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'jetty-start-9.0.3-8.amzn2.0.1', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'jetty-util-9.0.3-8.amzn2.0.1', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'jetty-util-ajax-9.0.3-8.amzn2.0.1', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'jetty-webapp-9.0.3-8.amzn2.0.1', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'jetty-websocket-api-9.0.3-8.amzn2.0.1', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'jetty-websocket-client-9.0.3-8.amzn2.0.1', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'jetty-websocket-common-9.0.3-8.amzn2.0.1', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'jetty-websocket-parent-9.0.3-8.amzn2.0.1', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'jetty-websocket-server-9.0.3-8.amzn2.0.1', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'jetty-websocket-servlet-9.0.3-8.amzn2.0.1', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'jetty-xml-9.0.3-8.amzn2.0.1', 'release':'AL2', '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_WARNING,
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, "jetty-annotations / jetty-ant / jetty-client / etc");
}
Vendor | Product | Version | CPE |
---|---|---|---|
amazon | linux | jetty-annotations | p-cpe:/a:amazon:linux:jetty-annotations |
amazon | linux | jetty-ant | p-cpe:/a:amazon:linux:jetty-ant |
amazon | linux | jetty-client | p-cpe:/a:amazon:linux:jetty-client |
amazon | linux | jetty-continuation | p-cpe:/a:amazon:linux:jetty-continuation |
amazon | linux | jetty-deploy | p-cpe:/a:amazon:linux:jetty-deploy |
amazon | linux | jetty-http | p-cpe:/a:amazon:linux:jetty-http |
amazon | linux | jetty-io | p-cpe:/a:amazon:linux:jetty-io |
amazon | linux | jetty-jaas | p-cpe:/a:amazon:linux:jetty-jaas |
amazon | linux | jetty-jaspi | p-cpe:/a:amazon:linux:jetty-jaspi |
amazon | linux | jetty-javadoc | p-cpe:/a:amazon:linux:jetty-javadoc |