6.8 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
0.283 Low
EPSS
Percentile
96.9%
It was discovered that LibTIFF incorrectly handled certain malformed images. If a user or automated system were tricked into opening a specially crafted image, a remote attacker could crash the application, leading to a denial of service, or possibly execute arbitrary code with user privileges.
Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. 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 Ubuntu Security Notice USN-3864-1. The text
# itself is copyright (C) Canonical, Inc. See
# <http://www.ubuntu.com/usn/>. Ubuntu(R) is a registered
# trademark of Canonical, Inc.
#
include('compat.inc');
if (description)
{
script_id(121329);
script_version("1.7");
script_set_attribute(attribute:"plugin_modification_date", value:"2023/10/21");
script_cve_id(
"CVE-2018-10963",
"CVE-2018-17100",
"CVE-2018-17101",
"CVE-2018-18557",
"CVE-2018-18661",
"CVE-2018-7456",
"CVE-2018-8905"
);
script_xref(name:"USN", value:"3864-1");
script_name(english:"Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS : LibTIFF vulnerabilities (USN-3864-1)");
script_set_attribute(attribute:"synopsis", value:
"The remote Ubuntu host is missing one or more security updates.");
script_set_attribute(attribute:"description", value:
"It was discovered that LibTIFF incorrectly handled certain malformed
images. If a user or automated system were tricked into opening a
specially crafted image, a remote attacker could crash the
application, leading to a denial of service, or possibly execute
arbitrary code with user privileges.
Note that Tenable Network Security has extracted the preceding
description block directly from the Ubuntu security advisory. 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://ubuntu.com/security/notices/USN-3864-1");
script_set_attribute(attribute:"solution", value:
"Update the affected packages.");
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:POC/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:R/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-2018-8905");
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:"2018/02/24");
script_set_attribute(attribute:"patch_publication_date", value:"2019/01/22");
script_set_attribute(attribute:"plugin_publication_date", value:"2019/01/23");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libtiff-tools");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libtiff4-dev");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libtiff5");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libtiff5-alt-dev");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libtiff5-dev");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libtiffxx5");
script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:14.04:-:lts");
script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:16.04:-:lts");
script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:18.04:-:lts");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libtiff-dev");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libtiff-opengl");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Ubuntu Local Security Checks");
script_copyright(english:"Ubuntu Security Notice (C) 2019-2023 Canonical, Inc. / NASL script (C) 2019-2023 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("ssh_get_info.nasl");
script_require_keys("Host/cpu", "Host/Ubuntu", "Host/Ubuntu/release", "Host/Debian/dpkg-l");
exit(0);
}
include('debian_package.inc');
if ( ! get_kb_item('Host/local_checks_enabled') ) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
var os_release = get_kb_item('Host/Ubuntu/release');
if ( isnull(os_release) ) audit(AUDIT_OS_NOT, 'Ubuntu');
os_release = chomp(os_release);
if (! ('14.04' >< os_release || '16.04' >< os_release || '18.04' >< os_release)) audit(AUDIT_OS_NOT, 'Ubuntu 14.04 / 16.04 / 18.04', 'Ubuntu ' + os_release);
if ( ! get_kb_item('Host/Debian/dpkg-l') ) 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$" && 's390' >!< cpu && 'aarch64' >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'Ubuntu', cpu);
var pkgs = [
{'osver': '14.04', 'pkgname': 'libtiff-opengl', 'pkgver': '4.0.3-7ubuntu0.10'},
{'osver': '14.04', 'pkgname': 'libtiff-tools', 'pkgver': '4.0.3-7ubuntu0.10'},
{'osver': '14.04', 'pkgname': 'libtiff4-dev', 'pkgver': '4.0.3-7ubuntu0.10'},
{'osver': '14.04', 'pkgname': 'libtiff5', 'pkgver': '4.0.3-7ubuntu0.10'},
{'osver': '14.04', 'pkgname': 'libtiff5-alt-dev', 'pkgver': '4.0.3-7ubuntu0.10'},
{'osver': '14.04', 'pkgname': 'libtiff5-dev', 'pkgver': '4.0.3-7ubuntu0.10'},
{'osver': '14.04', 'pkgname': 'libtiffxx5', 'pkgver': '4.0.3-7ubuntu0.10'},
{'osver': '16.04', 'pkgname': 'libtiff-opengl', 'pkgver': '4.0.6-1ubuntu0.5'},
{'osver': '16.04', 'pkgname': 'libtiff-tools', 'pkgver': '4.0.6-1ubuntu0.5'},
{'osver': '16.04', 'pkgname': 'libtiff5', 'pkgver': '4.0.6-1ubuntu0.5'},
{'osver': '16.04', 'pkgname': 'libtiff5-dev', 'pkgver': '4.0.6-1ubuntu0.5'},
{'osver': '16.04', 'pkgname': 'libtiffxx5', 'pkgver': '4.0.6-1ubuntu0.5'},
{'osver': '18.04', 'pkgname': 'libtiff-dev', 'pkgver': '4.0.9-5ubuntu0.1'},
{'osver': '18.04', 'pkgname': 'libtiff-opengl', 'pkgver': '4.0.9-5ubuntu0.1'},
{'osver': '18.04', 'pkgname': 'libtiff-tools', 'pkgver': '4.0.9-5ubuntu0.1'},
{'osver': '18.04', 'pkgname': 'libtiff5', 'pkgver': '4.0.9-5ubuntu0.1'},
{'osver': '18.04', 'pkgname': 'libtiff5-dev', 'pkgver': '4.0.9-5ubuntu0.1'},
{'osver': '18.04', 'pkgname': 'libtiffxx5', 'pkgver': '4.0.9-5ubuntu0.1'}
];
var flag = 0;
foreach package_array ( pkgs ) {
var osver = NULL;
var pkgname = NULL;
var pkgver = NULL;
if (!empty_or_null(package_array['osver'])) osver = package_array['osver'];
if (!empty_or_null(package_array['pkgname'])) pkgname = package_array['pkgname'];
if (!empty_or_null(package_array['pkgver'])) pkgver = package_array['pkgver'];
if (osver && pkgname && pkgver) {
if (ubuntu_check(osver:osver, pkgname:pkgname, pkgver:pkgver)) flag++;
}
}
if (flag)
{
security_report_v4(
port : 0,
severity : SECURITY_WARNING,
extra : ubuntu_report_get()
);
exit(0);
}
else
{
var tested = ubuntu_pkg_tests_get();
if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'libtiff-dev / libtiff-opengl / libtiff-tools / libtiff4-dev / etc');
}
Vendor | Product | Version | CPE |
---|---|---|---|
canonical | ubuntu_linux | libtiff-tools | p-cpe:/a:canonical:ubuntu_linux:libtiff-tools |
canonical | ubuntu_linux | libtiff4-dev | p-cpe:/a:canonical:ubuntu_linux:libtiff4-dev |
canonical | ubuntu_linux | libtiff5 | p-cpe:/a:canonical:ubuntu_linux:libtiff5 |
canonical | ubuntu_linux | libtiff5-alt-dev | p-cpe:/a:canonical:ubuntu_linux:libtiff5-alt-dev |
canonical | ubuntu_linux | libtiff5-dev | p-cpe:/a:canonical:ubuntu_linux:libtiff5-dev |
canonical | ubuntu_linux | libtiffxx5 | p-cpe:/a:canonical:ubuntu_linux:libtiffxx5 |
canonical | ubuntu_linux | 14.04 | cpe:/o:canonical:ubuntu_linux:14.04:-:lts |
canonical | ubuntu_linux | 16.04 | cpe:/o:canonical:ubuntu_linux:16.04:-:lts |
canonical | ubuntu_linux | 18.04 | cpe:/o:canonical:ubuntu_linux:18.04:-:lts |
canonical | ubuntu_linux | libtiff-dev | p-cpe:/a:canonical:ubuntu_linux:libtiff-dev |
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-10963
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-17100
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-17101
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-18557
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-18661
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7456
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-8905
ubuntu.com/security/notices/USN-3864-1
6.8 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
0.283 Low
EPSS
Percentile
96.9%