5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.195 Low
EPSS
Percentile
96.3%
It was discovered that Net::DNS did not correctly validate the size of DNS replies. A remote attacker could send a specially crafted DNS response and cause applications using Net::DNS to abort, 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.
#%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-594-1. 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(31702);
script_version("1.15");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/19");
script_cve_id("CVE-2007-6341");
script_xref(name:"USN", value:"594-1");
script_name(english:"Ubuntu 6.06 LTS / 6.10 : libnet-dns-perl vulnerability (USN-594-1)");
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::DNS did not correctly validate the size of
DNS replies. A remote attacker could send a specially crafted DNS
response and cause applications using Net::DNS to abort, 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/594-1/"
);
script_set_attribute(
attribute:"solution",
value:"Update the affected libnet-dns-perl package."
);
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P");
script_cwe_id(119);
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libnet-dns-perl");
script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:6.06:-:lts");
script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:6.10");
script_set_attribute(attribute:"patch_publication_date", value:"2008/03/26");
script_set_attribute(attribute:"plugin_publication_date", value:"2008/03/28");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"Ubuntu Security Notice (C) 2008-2019 Canonical, Inc. / NASL script (C) 2018 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 (! ereg(pattern:"^(6\.06|6\.10)$", string:release)) audit(AUDIT_OS_NOT, "Ubuntu 6.06 / 6.10", "Ubuntu " + release);
if ( ! get_kb_item("Host/Debian/dpkg-l") ) audit(AUDIT_PACKAGE_LIST_MISSING);
cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Ubuntu", cpu);
flag = 0;
if (ubuntu_check(osver:"6.06", pkgname:"libnet-dns-perl", pkgver:"0.53-2ubuntu1.1")) flag++;
if (ubuntu_check(osver:"6.10", pkgname:"libnet-dns-perl", pkgver:"0.57-1ubuntu1.1")) 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, "libnet-dns-perl");
}
Vendor | Product | Version | CPE |
---|---|---|---|
canonical | ubuntu_linux | libnet-dns-perl | p-cpe:/a:canonical:ubuntu_linux:libnet-dns-perl |
canonical | ubuntu_linux | 6.06 | cpe:/o:canonical:ubuntu_linux:6.06:-:lts |
canonical | ubuntu_linux | 6.10 | cpe:/o:canonical:ubuntu_linux:6.10 |