Three vulnerabilities were discovered in the Mosquitto MQTT broker, which could result in authentication bypass. Please refer to https://mosquitto.org/blog/2019/02/version-1-5-6-released/ for additional information.
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Debian Security Advisory DSA-4388. The text
# itself is copyright (C) Software in the Public Interest, Inc.
#
include("compat.inc");
if (description)
{
script_id(122069);
script_version("1.3");
script_cvs_date("Date: 2020/02/13");
script_cve_id("CVE-2018-12546", "CVE-2018-12550", "CVE-2018-12551");
script_xref(name:"DSA", value:"4388");
script_name(english:"Debian DSA-4388-1 : mosquitto - security update");
script_summary(english:"Checks dpkg output for the updated package");
script_set_attribute(
attribute:"synopsis",
value:"The remote Debian host is missing a security-related update."
);
script_set_attribute(
attribute:"description",
value:
"Three vulnerabilities were discovered in the Mosquitto MQTT broker,
which could result in authentication bypass. Please refer to
https://mosquitto.org/blog/2019/02/version-1-5-6-released/ for
additional information."
);
script_set_attribute(
attribute:"see_also",
value:"https://mosquitto.org/blog/2019/02/version-1-5-6-released/"
);
script_set_attribute(
attribute:"see_also",
value:"https://security-tracker.debian.org/tracker/source-package/mosquitto"
);
script_set_attribute(
attribute:"see_also",
value:"https://packages.debian.org/source/stretch/mosquitto"
);
script_set_attribute(
attribute:"see_also",
value:"https://www.debian.org/security/2019/dsa-4388"
);
script_set_attribute(
attribute:"solution",
value:
"Upgrade the mosquitto packages.
For the stable distribution (stretch), these problems have been fixed
in version 1.4.10-3+deb9u3."
);
script_set_cvss_base_vector("CVSS2#AV:N/AC:M/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: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:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:mosquitto");
script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:9.0");
script_set_attribute(attribute:"vuln_publication_date", value:"2019/03/27");
script_set_attribute(attribute:"patch_publication_date", value:"2019/02/10");
script_set_attribute(attribute:"plugin_publication_date", value:"2019/02/11");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_family(english:"Debian Local Security Checks");
script_dependencies("ssh_get_info.nasl");
script_require_keys("Host/local_checks_enabled", "Host/Debian/release", "Host/Debian/dpkg-l");
exit(0);
}
include("audit.inc");
include("debian_package.inc");
if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item("Host/Debian/release")) audit(AUDIT_OS_NOT, "Debian");
if (!get_kb_item("Host/Debian/dpkg-l")) audit(AUDIT_PACKAGE_LIST_MISSING);
flag = 0;
if (deb_check(release:"9.0", prefix:"libmosquitto-dev", reference:"1.4.10-3+deb9u3")) flag++;
if (deb_check(release:"9.0", prefix:"libmosquitto1", reference:"1.4.10-3+deb9u3")) flag++;
if (deb_check(release:"9.0", prefix:"libmosquitto1-dbg", reference:"1.4.10-3+deb9u3")) flag++;
if (deb_check(release:"9.0", prefix:"libmosquittopp-dev", reference:"1.4.10-3+deb9u3")) flag++;
if (deb_check(release:"9.0", prefix:"libmosquittopp1", reference:"1.4.10-3+deb9u3")) flag++;
if (deb_check(release:"9.0", prefix:"libmosquittopp1-dbg", reference:"1.4.10-3+deb9u3")) flag++;
if (deb_check(release:"9.0", prefix:"mosquitto", reference:"1.4.10-3+deb9u3")) flag++;
if (deb_check(release:"9.0", prefix:"mosquitto-clients", reference:"1.4.10-3+deb9u3")) flag++;
if (deb_check(release:"9.0", prefix:"mosquitto-dbg", reference:"1.4.10-3+deb9u3")) flag++;
if (deb_check(release:"9.0", prefix:"mosquitto-dev", reference:"1.4.10-3+deb9u3")) flag++;
if (flag)
{
if (report_verbosity > 0) security_warning(port:0, extra:deb_report_get());
else security_warning(0);
exit(0);
}
else audit(AUDIT_HOST_NOT, "affected");
Vendor | Product | Version | CPE |
---|---|---|---|
debian | debian_linux | mosquitto | p-cpe:/a:debian:debian_linux:mosquitto |
debian | debian_linux | 9.0 | cpe:/o:debian:debian_linux:9.0 |
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-12546
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-12550
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-12551
mosquitto.org/blog/2019/02/version-1-5-6-released/
packages.debian.org/source/stretch/mosquitto
security-tracker.debian.org/tracker/source-package/mosquitto
www.debian.org/security/2019/dsa-4388