CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:C/I:C/A:C
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
68.4%
Multiple vulnerabilities were discovered in coTURN, a TURN and STUN server for VoIP.
CVE-2018-4056 A SQL injection vulnerability was discovered in the coTURN administrator web portal. As the administration web interface is shared with the production, it is unfortunately not possible to easily filter outside access and this security update completely disable the web interface. Users should use the local, command line interface instead.
CVE-2018-4058 Default configuration enables unsafe loopback forwarding. A remote attacker with access to the TURN interface can use this vulnerability to gain access to services that should be local only.
CVE-2018-4059 Default configuration uses an empty password for the local command line administration interface. An attacker with access to the local console (either a local attacker or a remote attacker taking advantage of CVE-2018-4058 ) could escalade privileges to administrator of the coTURN server.
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Debian Security Advisory DSA-4373. The text
# itself is copyright (C) Software in the Public Interest, Inc.
#
include('compat.inc');
if (description)
{
script_id(121425);
script_version("1.5");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/06/25");
script_cve_id("CVE-2018-4056", "CVE-2018-4058", "CVE-2018-4059");
script_xref(name:"DSA", value:"4373");
script_name(english:"Debian DSA-4373-1 : coturn - security update");
script_set_attribute(attribute:"synopsis", value:
"The remote Debian host is missing a security-related update.");
script_set_attribute(attribute:"description", value:
"Multiple vulnerabilities were discovered in coTURN, a TURN and STUN
server for VoIP.
- CVE-2018-4056
A SQL injection vulnerability was discovered in the
coTURN administrator web portal. As the administration
web interface is shared with the production, it is
unfortunately not possible to easily filter outside
access and this security update completely disable the
web interface. Users should use the local, command line
interface instead.
- CVE-2018-4058
Default configuration enables unsafe loopback
forwarding. A remote attacker with access to the TURN
interface can use this vulnerability to gain access to
services that should be local only.
- CVE-2018-4059
Default configuration uses an empty password for the
local command line administration interface. An attacker
with access to the local console (either a local
attacker or a remote attacker taking advantage of
CVE-2018-4058 ) could escalade privileges to
administrator of the coTURN server.");
script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2018-4056");
script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2018-4058");
script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2018-4059");
script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2018-4058");
script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/source-package/coturn");
script_set_attribute(attribute:"see_also", value:"https://packages.debian.org/source/stretch/coturn");
script_set_attribute(attribute:"see_also", value:"https://www.debian.org/security/2019/dsa-4373");
script_set_attribute(attribute:"solution", value:
"Upgrade the coturn packages.
For the stable distribution (stretch), these problems have been fixed
in version 4.5.0.5-1+deb9u1.");
script_set_cvss_base_vector("CVSS2#AV:N/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:N/UI:N/S:U/C:H/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-2018-4059");
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:"2019/02/05");
script_set_attribute(attribute:"patch_publication_date", value:"2019/01/28");
script_set_attribute(attribute:"plugin_publication_date", value:"2019/01/29");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:coturn");
script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:9.0");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Debian Local Security Checks");
script_copyright(english:"This script is Copyright (C) 2019-2024 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("ssh_get_info.nasl");
script_require_keys("Host/local_checks_enabled", "Host/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:"coturn", reference:"4.5.0.5-1+deb9u1")) flag++;
if (flag)
{
if (report_verbosity > 0) security_hole(port:0, extra:deb_report_get());
else security_hole(0);
exit(0);
}
else audit(AUDIT_HOST_NOT, "affected");
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4056
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4058
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4059
packages.debian.org/source/stretch/coturn
security-tracker.debian.org/tracker/CVE-2018-4056
security-tracker.debian.org/tracker/CVE-2018-4058
security-tracker.debian.org/tracker/CVE-2018-4059
security-tracker.debian.org/tracker/source-package/coturn
www.debian.org/security/2019/dsa-4373
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:C/I:C/A:C
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
68.4%