The remote host is affected by the vulnerability described in GLSA-202107-01 (corosync: Denial of service)
It was discovered that corosync allowed an unauthenticated user to cause a Denial of Service by application crash.
Impact :
A remote attacker could send a malicious crafted packet, possibly resulting in a Denial of Service condition.
Workaround :
There is no known workaround at this time.
#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Gentoo Linux Security Advisory GLSA 202107-01.
#
# The advisory text is Copyright (C) 2001-2023 Gentoo Foundation, Inc.
# and licensed under the Creative Commons - Attribution / Share Alike
# license. See http://creativecommons.org/licenses/by-sa/3.0/
#
include('deprecated_nasl_level.inc');
include("compat.inc");
if (description)
{
script_id(157012);
script_version("1.3");
script_set_attribute(attribute:"plugin_modification_date", value:"2023/02/02");
script_cve_id("CVE-2018-1084");
script_xref(name:"GLSA", value:"202107-01");
script_name(english:"GLSA-202107-01 : corosync: Denial of service");
script_summary(english:"Checks for updated package(s) in /var/db/pkg");
script_set_attribute(
attribute:"synopsis",
value:
"The remote Gentoo host is missing one or more security-related
patches."
);
script_set_attribute(
attribute:"description",
value:
"The remote host is affected by the vulnerability described in GLSA-202107-01
(corosync: Denial of service)
It was discovered that corosync allowed an unauthenticated user to cause
a Denial of Service by application crash.
Impact :
A remote attacker could send a malicious crafted packet, possibly
resulting in a Denial of Service condition.
Workaround :
There is no known workaround at this time."
);
script_set_attribute(
attribute:"see_also",
value:"https://security.gentoo.org/glsa/202107-01"
);
script_set_attribute(
attribute:"solution",
value:
"All corosync users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=sys-cluster/corosync-3.0.4'"
);
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/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:N/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-2018-1084");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"exploit_available", value:"false");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:gentoo:linux:corosync");
script_set_attribute(attribute:"cpe", value:"cpe:/o:gentoo:linux");
script_set_attribute(attribute:"vuln_publication_date", value:"2018/04/12");
script_set_attribute(attribute:"patch_publication_date", value:"2021/07/03");
script_set_attribute(attribute:"plugin_publication_date", value:"2022/01/24");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 2022-2023 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_family(english:"Gentoo Local Security Checks");
script_dependencies("ssh_get_info.nasl");
script_require_keys("Host/local_checks_enabled", "Host/Gentoo/release", "Host/Gentoo/qpkg-list");
exit(0);
}
include("audit.inc");
include("global_settings.inc");
include("qpkg.inc");
if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item("Host/Gentoo/release")) audit(AUDIT_OS_NOT, "Gentoo");
if (!get_kb_item("Host/Gentoo/qpkg-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
flag = 0;
if (qpkg_check(package:"sys-cluster/corosync", unaffected:make_list("ge 3.0.4"), vulnerable:make_list("lt 3.0.4"))) flag++;
if (flag)
{
if (report_verbosity > 0) security_hole(port:0, extra:qpkg_report_get());
else security_hole(0);
exit(0);
}
else
{
tested = qpkg_tests_get();
if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
else audit(AUDIT_PACKAGE_NOT_INSTALLED, "corosync");
}