5.8 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:P/A:N
0.001 Low
EPSS
Percentile
49.2%
Brian Smith discovered that NSS incorrectly handled the TLS False Start feature. If a remote attacker were able to perform a man-in-the-middle attack, this flaw could be exploited to spoof SSL servers.
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.
#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Ubuntu Security Notice USN-2088-1. The text
# itself is copyright (C) Canonical, Inc. See
# <http://www.ubuntu.com/usn/>. Ubuntu(R) is a registered
# trademark of Canonical, Inc.
#
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(72116);
script_version("1.8");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/19");
script_cve_id("CVE-2013-1740");
script_bugtraq_id(64944);
script_xref(name:"USN", value:"2088-1");
script_name(english:"Ubuntu 10.04 LTS / 12.04 LTS / 12.10 / 13.10 : nss vulnerability (USN-2088-1)");
script_summary(english:"Checks dpkg output for updated packages.");
script_set_attribute(
attribute:"synopsis",
value:
"The remote Ubuntu host is missing one or more security-related
patches."
);
script_set_attribute(
attribute:"description",
value:
"Brian Smith discovered that NSS incorrectly handled the TLS False
Start feature. If a remote attacker were able to perform a
man-in-the-middle attack, this flaw could be exploited to spoof SSL
servers.
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://usn.ubuntu.com/2088-1/"
);
script_set_attribute(
attribute:"solution",
value:"Update the affected libnss3 and / or libnss3-1d packages."
);
script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:N");
script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"exploit_available", value:"false");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libnss3");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libnss3-1d");
script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:10.04:-:lts");
script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:12.04:-:lts");
script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:12.10");
script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:13.10");
script_set_attribute(attribute:"vuln_publication_date", value:"2014/01/18");
script_set_attribute(attribute:"patch_publication_date", value:"2014/01/23");
script_set_attribute(attribute:"plugin_publication_date", value:"2014/01/24");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"Ubuntu Security Notice (C) 2014-2020 Canonical, Inc. / NASL script (C) 2014-2019 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_family(english:"Ubuntu Local Security Checks");
script_dependencies("ssh_get_info.nasl");
script_require_keys("Host/cpu", "Host/Ubuntu", "Host/Ubuntu/release", "Host/Debian/dpkg-l");
exit(0);
}
include("audit.inc");
include("ubuntu.inc");
include("misc_func.inc");
if ( ! get_kb_item("Host/local_checks_enabled") ) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
release = get_kb_item("Host/Ubuntu/release");
if ( isnull(release) ) audit(AUDIT_OS_NOT, "Ubuntu");
release = chomp(release);
if (! preg(pattern:"^(10\.04|12\.04|12\.10|13\.10)$", string:release)) audit(AUDIT_OS_NOT, "Ubuntu 10.04 / 12.04 / 12.10 / 13.10", "Ubuntu " + release);
if ( ! get_kb_item("Host/Debian/dpkg-l") ) audit(AUDIT_PACKAGE_LIST_MISSING);
cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Ubuntu", cpu);
flag = 0;
if (ubuntu_check(osver:"10.04", pkgname:"libnss3-1d", pkgver:"3.15.4-0ubuntu0.10.04.1")) flag++;
if (ubuntu_check(osver:"12.04", pkgname:"libnss3", pkgver:"3.15.4-0ubuntu0.12.04.1")) flag++;
if (ubuntu_check(osver:"12.10", pkgname:"libnss3", pkgver:"3.15.4-0ubuntu0.12.10.1")) flag++;
if (ubuntu_check(osver:"13.10", pkgname:"libnss3", pkgver:"2:3.15.4-0ubuntu0.13.10.1")) flag++;
if (flag)
{
security_report_v4(
port : 0,
severity : SECURITY_WARNING,
extra : ubuntu_report_get()
);
exit(0);
}
else
{
tested = ubuntu_pkg_tests_get();
if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
else audit(AUDIT_PACKAGE_NOT_INSTALLED, "libnss3 / libnss3-1d");
}
Vendor | Product | Version | CPE |
---|---|---|---|
canonical | ubuntu_linux | libnss3 | p-cpe:/a:canonical:ubuntu_linux:libnss3 |
canonical | ubuntu_linux | libnss3-1d | p-cpe:/a:canonical:ubuntu_linux:libnss3-1d |
canonical | ubuntu_linux | 10.04 | cpe:/o:canonical:ubuntu_linux:10.04:-:lts |
canonical | ubuntu_linux | 12.04 | cpe:/o:canonical:ubuntu_linux:12.04:-:lts |
canonical | ubuntu_linux | 12.10 | cpe:/o:canonical:ubuntu_linux:12.10 |
canonical | ubuntu_linux | 13.10 | cpe:/o:canonical:ubuntu_linux:13.10 |