CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:S/C:N/I:N/A:P
EPSS
Percentile
85.0%
It was discovered that Net-SNMP incorrectly performed entry lookups in the extension table. A remote attacker could send a specially crafted request and cause the SNMP server to crash, leading to a denial of service.
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-1450-1. 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(59254);
script_version("1.9");
script_cvs_date("Date: 2019/09/19 12:54:28");
script_cve_id("CVE-2012-2141");
script_bugtraq_id(53255);
script_xref(name:"USN", value:"1450-1");
script_name(english:"Ubuntu 8.04 LTS / 10.04 LTS / 11.04 / 11.10 / 12.04 LTS : net-snmp vulnerability (USN-1450-1)");
script_summary(english:"Checks dpkg output for updated package.");
script_set_attribute(
attribute:"synopsis",
value:"The remote Ubuntu host is missing a security-related patch."
);
script_set_attribute(
attribute:"description",
value:
"It was discovered that Net-SNMP incorrectly performed entry lookups in
the extension table. A remote attacker could send a specially crafted
request and cause the SNMP server to crash, leading to a denial of
service.
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/1450-1/"
);
script_set_attribute(
attribute:"solution",
value:"Update the affected libsnmp15 package."
);
script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:S/C:N/I:N/A:P");
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:libsnmp15");
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:11.04");
script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:11.10");
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:8.04:-:lts");
script_set_attribute(attribute:"vuln_publication_date", value:"2012/08/14");
script_set_attribute(attribute:"patch_publication_date", value:"2012/05/23");
script_set_attribute(attribute:"plugin_publication_date", value:"2012/05/24");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"Ubuntu Security Notice (C) 2012-2019 Canonical, Inc. / NASL script (C) 2012-2019 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:"^(8\.04|10\.04|11\.04|11\.10|12\.04)$", string:release)) audit(AUDIT_OS_NOT, "Ubuntu 8.04 / 10.04 / 11.04 / 11.10 / 12.04", "Ubuntu " + release);
if ( ! get_kb_item("Host/Debian/dpkg-l") ) audit(AUDIT_PACKAGE_LIST_MISSING);
cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Ubuntu", cpu);
flag = 0;
if (ubuntu_check(osver:"8.04", pkgname:"libsnmp15", pkgver:"5.4.1~dfsg-4ubuntu4.4")) flag++;
if (ubuntu_check(osver:"10.04", pkgname:"libsnmp15", pkgver:"5.4.2.1~dfsg0ubuntu1-0ubuntu2.2")) flag++;
if (ubuntu_check(osver:"11.04", pkgname:"libsnmp15", pkgver:"5.4.3~dfsg-2ubuntu1.1")) flag++;
if (ubuntu_check(osver:"11.10", pkgname:"libsnmp15", pkgver:"5.4.3~dfsg-2.2ubuntu1.1")) flag++;
if (ubuntu_check(osver:"12.04", pkgname:"libsnmp15", pkgver:"5.4.3~dfsg-2.4ubuntu1.1")) flag++;
if (flag)
{
security_report_v4(
port : 0,
severity : SECURITY_NOTE,
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, "libsnmp15");
}
Vendor | Product | Version | CPE |
---|---|---|---|
canonical | ubuntu_linux | libsnmp15 | p-cpe:/a:canonical:ubuntu_linux:libsnmp15 |
canonical | ubuntu_linux | 10.04 | cpe:/o:canonical:ubuntu_linux:10.04:-:lts |
canonical | ubuntu_linux | 11.04 | cpe:/o:canonical:ubuntu_linux:11.04 |
canonical | ubuntu_linux | 11.10 | cpe:/o:canonical:ubuntu_linux:11.10 |
canonical | ubuntu_linux | 12.04 | cpe:/o:canonical:ubuntu_linux:12.04:-:lts |
canonical | ubuntu_linux | 8.04 | cpe:/o:canonical:ubuntu_linux:8.04:-:lts |