dnsmasq < 2.63test1 libvirtd TCP Network Packet Parsing Response DNS Amplification Do
Reporter | Title | Published | Views | Family All 88 |
---|---|---|---|---|
![]() | CVE-2012-3411 | 5 Mar 201321:38 | – | cve |
![]() | CVE-2013-0198 | 5 Mar 201321:38 | – | cve |
![]() | Fedora 18 : libvirt-0.10.2.2-3.fc18 (2012-20577) | 20 Dec 201200:00 | – | nessus |
![]() | Oracle Linux 6 : libvirt (ELSA-2013-0276) | 12 Jul 201300:00 | – | nessus |
![]() | CentOS 6 : dnsmasq (CESA-2013:0277) | 10 Mar 201300:00 | – | nessus |
![]() | Fedora 17 : dnsmasq-2.63-1.fc17 (2012-12598) | 12 Sep 201200:00 | – | nessus |
![]() | Oracle Linux 6 : dnsmasq (ELSA-2013-0277) | 12 Jul 201300:00 | – | nessus |
![]() | Amazon Linux AMI : dnsmasq (ALAS-2013-161) | 4 Sep 201300:00 | – | nessus |
![]() | Scientific Linux Security Update : libvirt on SL6.x i386/x86_64 (20130221) | 1 Mar 201300:00 | – | nessus |
![]() | CentOS 6 : libvirt (CESA-2013:0276) | 10 Mar 201300:00 | – | nessus |
Source | Link |
---|---|
cve | www.cve.mitre.org/cgi-bin/cvename.cgi |
thekelleys | www.thekelleys.org.uk/dnsmasq/CHANGELOG |
nessus | www.nessus.org/u |
#
# (C) Tenable Network Security, Inc.
#
include("compat.inc");
if (description)
{
script_id(87594);
script_version("1.3");
script_cvs_date("Date: 2018/07/10 14:27:31");
script_cve_id("CVE-2012-3411");
script_bugtraq_id(54353);
script_name(english:"dnsmasq < 2.63test1 libvirtd TCP Network Packet Parsing Response DNS Amplification DoS");
script_summary(english:"Checks the version of dnsmasq.");
script_set_attribute(attribute:"synopsis", value:
"The remote DNS / DHCP service is affected by a denial of service
vulnerability.");
script_set_attribute(attribute:"description", value:
"The remote dnsmasq server is running a version prior to 2.63test1. It
is, therefore, affected by a denial of service vulnerability in
libvirtd due to improper parsing of malformed network packets. An
unauthenticated, remote attacker can exploit this to cause an
amplification of a large amount of DNS queries, resulting in a denial
of service condition.");
# http://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commitdiff;h=54dd393f3938fc0c19088fbd319b95e37d81a2b0
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?a481d28c");
script_set_attribute(attribute:"see_also", value:"http://www.thekelleys.org.uk/dnsmasq/CHANGELOG");
script_set_attribute(attribute:"solution", value:
"Upgrade to dnsmasq 2.63test1 or later.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/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:"vuln_publication_date", value:"2012/06/20");
script_set_attribute(attribute:"patch_publication_date", value:"2012/06/20");
script_set_attribute(attribute:"plugin_publication_date", value:"2015/12/22");
script_set_attribute(attribute:"potential_vulnerability", value:"true");
script_set_attribute(attribute:"plugin_type", value:"remote");
script_set_attribute(attribute:"cpe", value:"cpe:/a:thekelleys:dnsmasq");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 2015-2018 Tenable Network Security, Inc.");
script_family(english:"DNS");
script_dependencie("dns_version.nasl");
script_require_keys("dns_server/version", "Settings/ParanoidReport");
script_require_ports("Services/dns", 53);
exit(0);
}
include("audit.inc");
include("misc_func.inc");
include("global_settings.inc");
app_name = "dnsmasq";
port = get_kb_item("Services/udp/dns");
if (!port) port = 53;
if (report_paranoia < 2) audit(AUDIT_PARANOID);
version = get_kb_item_or_exit("dns_server/version");
version = tolower(version);
if (version !~ "dnsmasq-(v)?")
audit(AUDIT_NOT_LISTEN, app_name, port);
if (version =~ "^dnsmasq-(v)?([0-9\.][01]+|[0-2]\.)([0-6]|[0-6][0-2]|[0-6][0-3]test([^0-9]|$))$")
{
if (report_verbosity > 0)
{
report =
'\n Installed version : ' + version +
'\n Fixed version : dnsmasq-v2.63test1' +
'\n';
security_warning(port:port, proto:"udp", extra:report);
}
else security_warning(port:port, proto:"udp");
}
else audit(AUDIT_INST_VER_NOT_VULN, app_name, version);
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