The remote RHEL 7 host is missing a security update for ipsilon, which can lead to a denial of service via logging out all open SAML2 sessions (CVE-2016-8638)
Reporter | Title | Published | Views | Family All 24 |
---|---|---|---|---|
![]() | CVE-2016-8638 | 12 Jul 201713:00 | – | cvelist |
![]() | CVE-2016-8638 | 12 Jul 201713:29 | – | nvd |
![]() | CVE-2017-16855 | 16 Nov 201718:29 | – | nvd |
![]() | RedHat Update for ipsilon RHSA-2016:2809-01 | 22 Nov 201600:00 | – | openvas |
![]() | Huawei EulerOS: Security Advisory for ipsilon (EulerOS-SA-2018-1013) | 23 Jan 202000:00 | – | openvas |
![]() | Fedora Update for ipsilon FEDORA-2016-2d8fb6d7ad | 29 Dec 201600:00 | – | openvas |
![]() | Fedora Update for ipsilon FEDORA-2016-b465090499 | 29 Dec 201600:00 | – | openvas |
![]() | ipsilon security update | 25 Nov 201616:47 | – | centos |
![]() | Session Fixation in ipsilon | 14 May 202203:55 | – | github |
![]() | Design/Logic Flaw | 12 Jul 201713:29 | – | prion |
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Red Hat Security Advisory RHSA-2016:2809. The text
# itself is copyright (C) Red Hat, Inc.
#
include('compat.inc');
if (description)
{
script_id(95047);
script_version("2.15");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/11/04");
script_cve_id("CVE-2016-8638");
script_xref(name:"RHSA", value:"2016:2809");
script_name(english:"RHEL 7 : ipsilon (RHSA-2016:2809)");
script_set_attribute(attribute:"synopsis", value:
"The remote Red Hat host is missing a security update for ipsilon.");
script_set_attribute(attribute:"description", value:
"The remote Redhat Enterprise Linux 7 host has packages installed that are affected by a vulnerability as referenced in
the RHSA-2016:2809 advisory.
The ipsilon packages provide the Ipsilon identity provider service for federated single sign-on (SSO).
Ipsilon links authentication providers and applications or utilities to allow for SSO. It includes a
server and utilities to configure Apache-based service providers.
Security Fix(es):
* A vulnerability was found in ipsilon in the SAML2 provider's handling of sessions. An attacker able to
hit the logout URL could determine what service providers other users are logged in to and terminate their
sessions. (CVE-2016-8638)
This issue was discovered by Patrick Uiterwijk (Red Hat) and Howard Johnson.
Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.
Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
# https://access.redhat.com/security/data/csaf/v2/advisories/2016/rhsa-2016_2809.json
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?7e75ca5c");
script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/errata/RHSA-2016:2809");
script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/security/updates/classification/#important");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1392829");
script_set_attribute(attribute:"solution", value:
"Update the RHEL ipsilon package based on the guidance in RHSA-2016:2809.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:P");
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-2016-8638");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"exploit_available", value:"false");
script_cwe_id(287);
script_set_attribute(attribute:"vendor_severity", value:"Important");
script_set_attribute(attribute:"vuln_publication_date", value:"2017/07/12");
script_set_attribute(attribute:"patch_publication_date", value:"2016/11/21");
script_set_attribute(attribute:"plugin_publication_date", value:"2016/11/22");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:ipsilon");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:ipsilon-authform");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:ipsilon-authgssapi");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:ipsilon-authldap");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:ipsilon-base");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:ipsilon-client");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:ipsilon-filesystem");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:ipsilon-infosssd");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:ipsilon-persona");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:ipsilon-saml2");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:ipsilon-saml2-base");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:ipsilon-tools-ipa");
script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:7");
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) 2016-2024 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("redhat_repos.nasl", "ssh_get_info.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-alt/server/7/7Server/armv8-a/aarch64/debug',
'content/dist/rhel-alt/server/7/7Server/armv8-a/aarch64/optional/debug',
'content/dist/rhel-alt/server/7/7Server/armv8-a/aarch64/optional/os',
'content/dist/rhel-alt/server/7/7Server/armv8-a/aarch64/optional/source/SRPMS',
'content/dist/rhel-alt/server/7/7Server/armv8-a/aarch64/os',
'content/dist/rhel-alt/server/7/7Server/armv8-a/aarch64/source/SRPMS',
'content/dist/rhel-alt/server/7/7Server/power9/ppc64le/debug',
'content/dist/rhel-alt/server/7/7Server/power9/ppc64le/optional/debug',
'content/dist/rhel-alt/server/7/7Server/power9/ppc64le/optional/os',
'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',
'content/dist/rhel-alt/server/7/7Server/system-z-a/s390x/optional/source/SRPMS',
'content/dist/rhel-alt/server/7/7Server/system-z-a/s390x/os',
'content/dist/rhel-alt/server/7/7Server/system-z-a/s390x/source/SRPMS',
'content/dist/rhel/power-le/7/7.9/ppc64le/debug',
'content/dist/rhel/power-le/7/7.9/ppc64le/highavailability/debug',
'content/dist/rhel/power-le/7/7.9/ppc64le/highavailability/os',
'content/dist/rhel/power-le/7/7.9/ppc64le/highavailability/source/SRPMS',
'content/dist/rhel/power-le/7/7.9/ppc64le/optional/debug',
'content/dist/rhel/power-le/7/7.9/ppc64le/optional/os',
'content/dist/rhel/power-le/7/7.9/ppc64le/optional/source/SRPMS',
'content/dist/rhel/power-le/7/7.9/ppc64le/os',
'content/dist/rhel/power-le/7/7.9/ppc64le/resilientstorage/debug',
'content/dist/rhel/power-le/7/7.9/ppc64le/resilientstorage/os',
'content/dist/rhel/power-le/7/7.9/ppc64le/resilientstorage/source/SRPMS',
'content/dist/rhel/power-le/7/7.9/ppc64le/source/SRPMS',
'content/dist/rhel/power-le/7/7Server/ppc64le/debug',
'content/dist/rhel/power-le/7/7Server/ppc64le/highavailability/debug',
'content/dist/rhel/power-le/7/7Server/ppc64le/highavailability/os',
'content/dist/rhel/power-le/7/7Server/ppc64le/highavailability/source/SRPMS',
'content/dist/rhel/power-le/7/7Server/ppc64le/optional/debug',
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'content/dist/rhel/power-le/7/7Server/ppc64le/optional/source/SRPMS',
'content/dist/rhel/power-le/7/7Server/ppc64le/os',
'content/dist/rhel/power-le/7/7Server/ppc64le/resilientstorage/debug',
'content/dist/rhel/power-le/7/7Server/ppc64le/resilientstorage/os',
'content/dist/rhel/power-le/7/7Server/ppc64le/resilientstorage/source/SRPMS',
'content/dist/rhel/power-le/7/7Server/ppc64le/source/SRPMS',
'content/dist/rhel/power/7/7.9/ppc64/debug',
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'content/dist/rhel/power/7/7.9/ppc64/os',
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'content/dist/rhel/power/7/7Server/ppc64/debug',
'content/dist/rhel/power/7/7Server/ppc64/optional/debug',
'content/dist/rhel/power/7/7Server/ppc64/optional/os',
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'content/dist/rhel/power/7/7Server/ppc64/os',
'content/dist/rhel/power/7/7Server/ppc64/source/SRPMS',
'content/dist/rhel/server/7/7.9/x86_64/debug',
'content/dist/rhel/server/7/7.9/x86_64/highavailability/debug',
'content/dist/rhel/server/7/7.9/x86_64/highavailability/os',
'content/dist/rhel/server/7/7.9/x86_64/highavailability/source/SRPMS',
'content/dist/rhel/server/7/7.9/x86_64/optional/debug',
'content/dist/rhel/server/7/7.9/x86_64/optional/os',
'content/dist/rhel/server/7/7.9/x86_64/optional/source/SRPMS',
'content/dist/rhel/server/7/7.9/x86_64/os',
'content/dist/rhel/server/7/7.9/x86_64/resilientstorage/debug',
'content/dist/rhel/server/7/7.9/x86_64/resilientstorage/os',
'content/dist/rhel/server/7/7.9/x86_64/resilientstorage/source/SRPMS',
'content/dist/rhel/server/7/7.9/x86_64/source/SRPMS',
'content/dist/rhel/server/7/7Server/x86_64/debug',
'content/dist/rhel/server/7/7Server/x86_64/highavailability/debug',
'content/dist/rhel/server/7/7Server/x86_64/highavailability/os',
'content/dist/rhel/server/7/7Server/x86_64/highavailability/source/SRPMS',
'content/dist/rhel/server/7/7Server/x86_64/optional/debug',
'content/dist/rhel/server/7/7Server/x86_64/optional/os',
'content/dist/rhel/server/7/7Server/x86_64/optional/source/SRPMS',
'content/dist/rhel/server/7/7Server/x86_64/os',
'content/dist/rhel/server/7/7Server/x86_64/resilientstorage/debug',
'content/dist/rhel/server/7/7Server/x86_64/resilientstorage/os',
'content/dist/rhel/server/7/7Server/x86_64/resilientstorage/source/SRPMS',
'content/dist/rhel/server/7/7Server/x86_64/source/SRPMS',
'content/dist/rhel/system-z/7/7.9/s390x/debug',
'content/dist/rhel/system-z/7/7.9/s390x/highavailability/debug',
'content/dist/rhel/system-z/7/7.9/s390x/highavailability/os',
'content/dist/rhel/system-z/7/7.9/s390x/highavailability/source/SRPMS',
'content/dist/rhel/system-z/7/7.9/s390x/optional/debug',
'content/dist/rhel/system-z/7/7.9/s390x/optional/os',
'content/dist/rhel/system-z/7/7.9/s390x/optional/source/SRPMS',
'content/dist/rhel/system-z/7/7.9/s390x/os',
'content/dist/rhel/system-z/7/7.9/s390x/resilientstorage/debug',
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'content/dist/rhel/system-z/7/7.9/s390x/resilientstorage/source/SRPMS',
'content/dist/rhel/system-z/7/7.9/s390x/source/SRPMS',
'content/dist/rhel/system-z/7/7Server/s390x/debug',
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'content/dist/rhel/system-z/7/7Server/s390x/resilientstorage/source/SRPMS',
'content/dist/rhel/system-z/7/7Server/s390x/source/SRPMS',
'content/fastrack/rhel/power/7/ppc64/debug',
'content/fastrack/rhel/power/7/ppc64/optional/debug',
'content/fastrack/rhel/power/7/ppc64/optional/os',
'content/fastrack/rhel/power/7/ppc64/optional/source/SRPMS',
'content/fastrack/rhel/power/7/ppc64/os',
'content/fastrack/rhel/power/7/ppc64/source/SRPMS',
'content/fastrack/rhel/server/7/x86_64/debug',
'content/fastrack/rhel/server/7/x86_64/highavailability/debug',
'content/fastrack/rhel/server/7/x86_64/highavailability/os',
'content/fastrack/rhel/server/7/x86_64/highavailability/source/SRPMS',
'content/fastrack/rhel/server/7/x86_64/optional/debug',
'content/fastrack/rhel/server/7/x86_64/optional/os',
'content/fastrack/rhel/server/7/x86_64/optional/source/SRPMS',
'content/fastrack/rhel/server/7/x86_64/os',
'content/fastrack/rhel/server/7/x86_64/resilientstorage/debug',
'content/fastrack/rhel/server/7/x86_64/resilientstorage/os',
'content/fastrack/rhel/server/7/x86_64/resilientstorage/source/SRPMS',
'content/fastrack/rhel/server/7/x86_64/source/SRPMS',
'content/fastrack/rhel/system-z/7/s390x/debug',
'content/fastrack/rhel/system-z/7/s390x/optional/debug',
'content/fastrack/rhel/system-z/7/s390x/optional/os',
'content/fastrack/rhel/system-z/7/s390x/optional/source/SRPMS',
'content/fastrack/rhel/system-z/7/s390x/os',
'content/fastrack/rhel/system-z/7/s390x/source/SRPMS'
],
'pkgs': [
{'reference':'ipsilon-1.0.0-13.el7_3', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'ipsilon-authform-1.0.0-13.el7_3', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'ipsilon-authgssapi-1.0.0-13.el7_3', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'ipsilon-authldap-1.0.0-13.el7_3', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'ipsilon-base-1.0.0-13.el7_3', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'ipsilon-client-1.0.0-13.el7_3', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'ipsilon-filesystem-1.0.0-13.el7_3', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'ipsilon-infosssd-1.0.0-13.el7_3', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'ipsilon-persona-1.0.0-13.el7_3', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'ipsilon-saml2-1.0.0-13.el7_3', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'ipsilon-saml2-base-1.0.0-13.el7_3', 'release':'7', 'rpm_spec_vers_cmp':TRUE},
{'reference':'ipsilon-tools-ipa-1.0.0-13.el7_3', '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_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, 'ipsilon / ipsilon-authform / ipsilon-authgssapi / ipsilon-authldap / etc');
}
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