CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
AI Score
Confidence
Low
EPSS
Percentile
80.7%
Update to Nextcloud 18.0.9, fixes CVE-2020-81-39, CVE-2020-8173, CVE-2020-8183, CVE-2020-8223, CVE-2020-8154, CVE-2020-8155.
Updating the Mail & Groupfolders apps from within Nextcloud also fixes CVE-2020-8153, CVE-2020-8156
Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Fedora Security Advisory FEDORA-2020-c9863904de.
#
include('compat.inc');
if (description)
{
script_id(141550);
script_version("1.4");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/02/15");
script_cve_id(
"CVE-2020-0081",
"CVE-2020-8139",
"CVE-2020-8153",
"CVE-2020-8154",
"CVE-2020-8155",
"CVE-2020-8156",
"CVE-2020-8173",
"CVE-2020-8183",
"CVE-2020-8223"
);
script_xref(name:"FEDORA", value:"2020-c9863904de");
script_name(english:"Fedora 32 : nextcloud (2020-c9863904de)");
script_set_attribute(attribute:"synopsis", value:
"The remote Fedora host is missing a security update.");
script_set_attribute(attribute:"description", value:
"Update to Nextcloud 18.0.9, fixes CVE-2020-81-39, CVE-2020-8173,
CVE-2020-8183, CVE-2020-8223, CVE-2020-8154, CVE-2020-8155.
Updating the Mail & Groupfolders apps from within Nextcloud also fixes
CVE-2020-8153, CVE-2020-8156
Note that Tenable Network Security has extracted the preceding
description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as
possible without introducing additional issues.");
script_set_attribute(attribute:"see_also", value:"https://bodhi.fedoraproject.org/updates/FEDORA-2020-c9863904de");
script_set_attribute(attribute:"solution", value:
"Update the affected nextcloud package.");
script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C");
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:L/UI:N/S:U/C:N/I:H/A:H");
script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2020-0081");
script_set_attribute(attribute:"cvss3_score_source", value:"CVE-2020-8153");
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:"2020/03/20");
script_set_attribute(attribute:"patch_publication_date", value:"2020/10/19");
script_set_attribute(attribute:"plugin_publication_date", value:"2020/10/20");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fedoraproject:fedora:nextcloud");
script_set_attribute(attribute:"cpe", value:"cpe:/o:fedoraproject:fedora:32");
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) 2020-2024 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("audit.inc");
include("global_settings.inc");
include("rpm.inc");
if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
release = get_kb_item("Host/RedHat/release");
if (isnull(release) || "Fedora" >!< release) audit(AUDIT_OS_NOT, "Fedora");
os_ver = pregmatch(pattern: "Fedora.*release ([0-9]+)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "Fedora");
os_ver = os_ver[1];
if (! preg(pattern:"^32([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Fedora 32", "Fedora " + os_ver);
if (!get_kb_item("Host/RedHat/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Fedora", cpu);
flag = 0;
if (rpm_check(release:"FC32", reference:"nextcloud-18.0.9-1.fc32")) flag++;
if (flag)
{
security_report_v4(
port : 0,
severity : SECURITY_HOLE,
extra : rpm_report_get()
);
exit(0);
}
else
{
tested = pkg_tests_get();
if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
else audit(AUDIT_PACKAGE_NOT_INSTALLED, "nextcloud");
}
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-0081
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8139
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8153
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8154
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8155
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8156
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8173
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8183
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8223
bodhi.fedoraproject.org/updates/FEDORA-2020-c9863904de
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
AI Score
Confidence
Low
EPSS
Percentile
80.7%