CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:P/I:P/A:C
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
Low
EPSS
Percentile
96.0%
An update of the dnsmasq package has been released.
##
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from VMware Security Advisory PHSA-2021-3.0-0186. The text
# itself is copyright (C) VMware, Inc.
##
include('compat.inc');
if (description)
{
script_id(145414);
script_version("1.7");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/07/24");
script_cve_id(
"CVE-2020-25681",
"CVE-2020-25682",
"CVE-2020-25683",
"CVE-2020-25684",
"CVE-2020-25685",
"CVE-2020-25686",
"CVE-2020-25687"
);
script_xref(name:"CEA-ID", value:"CEA-2021-0003");
script_name(english:"Photon OS 3.0: Dnsmasq PHSA-2021-3.0-0186");
script_set_attribute(attribute:"synopsis", value:
"The remote PhotonOS host is missing multiple security updates.");
script_set_attribute(attribute:"description", value:
"An update of the dnsmasq package has been released.");
script_set_attribute(attribute:"see_also", value:"https://github.com/vmware/photon/wiki/Security-Update-3.0-186.md");
script_set_attribute(attribute:"solution", value:
"Update the affected Linux packages.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:C");
script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/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-2020-25682");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"vuln_publication_date", value:"2021/01/19");
script_set_attribute(attribute:"patch_publication_date", value:"2021/01/22");
script_set_attribute(attribute:"plugin_publication_date", value:"2021/01/26");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:vmware:photonos:dnsmasq");
script_set_attribute(attribute:"cpe", value:"cpe:/o:vmware:photonos:3.0");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"PhotonOS Local Security Checks");
script_copyright(english:"This script is Copyright (C) 2021-2024 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("ssh_get_info.nasl");
script_require_keys("Host/local_checks_enabled", "Host/PhotonOS/release", "Host/PhotonOS/rpm-list");
exit(0);
}
include('rpm.inc');
if (!get_kb_item('Host/local_checks_enabled')) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
var _release = get_kb_item('Host/PhotonOS/release');
if (isnull(_release) || _release !~ "^VMware Photon") audit(AUDIT_OS_NOT, 'PhotonOS');
if (_release !~ "^VMware Photon (?:Linux|OS) 3\.0(\D|$)") audit(AUDIT_OS_NOT, 'PhotonOS 3.0');
if (!get_kb_item('Host/PhotonOS/rpm-list')) audit(AUDIT_PACKAGE_LIST_MISSING);
var cpu = get_kb_item('Host/cpu');
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ('x86_64' >!< cpu && cpu !~ "^i[3-6]86$" && 'aarch64' >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'PhotonOS', cpu);
var flag = 0;
if (rpm_check(release:'PhotonOS-3.0', cpu:'x86_64', reference:'dnsmasq-2.82-1.ph3')) flag++;
if (rpm_check(release:'PhotonOS-3.0', cpu:'x86_64', reference:'dnsmasq-utils-2.82-1.ph3')) 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, 'dnsmasq');
}
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25681
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25682
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25683
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25684
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25685
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25686
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25687
github.com/vmware/photon/wiki/Security-Update-3.0-186.md
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:P/I:P/A:C
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
Low
EPSS
Percentile
96.0%