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nessusThis script is Copyright (C) 2013-2021 and is owned by Tenable, Inc. or an Affiliate thereof.DEBIAN_DSA-2656.NASL
HistoryApr 01, 2013 - 12:00 a.m.

Debian DSA-2656-1 : bind9 - denial of service

2013-04-0100:00:00
This script is Copyright (C) 2013-2021 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
13

CVSS2

7.8

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:N/I:N/A:C

EPSS

0.943

Percentile

99.2%

Matthew Horsfall of Dyn, Inc. discovered that BIND, a DNS server, is prone to a denial of service vulnerability. A remote attacker could use this flaw to send a specially crafted DNS query to named that, when processed, would cause named to use an excessive amount of memory, or possibly crash.

#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Debian Security Advisory DSA-2656. The text 
# itself is copyright (C) Software in the Public Interest, Inc.
#

include('deprecated_nasl_level.inc');
include('compat.inc');

if (description)
{
  script_id(65744);
  script_version("1.15");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/11");

  script_cve_id("CVE-2013-2266");
  script_bugtraq_id(58736);
  script_xref(name:"DSA", value:"2656");

  script_name(english:"Debian DSA-2656-1 : bind9 - denial of service");
  script_summary(english:"Checks dpkg output for the updated package");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote Debian host is missing a security-related update."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"Matthew Horsfall of Dyn, Inc. discovered that BIND, a DNS server, is
prone to a denial of service vulnerability. A remote attacker could
use this flaw to send a specially crafted DNS query to named that,
when processed, would cause named to use an excessive amount of
memory, or possibly crash."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=704174"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://packages.debian.org/source/squeeze/bind9"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.debian.org/security/2013/dsa-2656"
  );
  script_set_attribute(
    attribute:"solution", 
    value:
"Upgrade the bind9 packages.

For the stable distribution (squeeze), this problem has been fixed in
version 1:9.7.3.dfsg-1~squeeze10."
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C");
  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:debian:debian_linux:bind9");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:6.0");

  script_set_attribute(attribute:"patch_publication_date", value:"2013/03/30");
  script_set_attribute(attribute:"plugin_publication_date", value:"2013/04/01");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2013-2021 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"Debian Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/Debian/release", "Host/Debian/dpkg-l");

  exit(0);
}


include("audit.inc");
include("debian_package.inc");


if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item("Host/Debian/release")) audit(AUDIT_OS_NOT, "Debian");
if (!get_kb_item("Host/Debian/dpkg-l")) audit(AUDIT_PACKAGE_LIST_MISSING);


flag = 0;
if (deb_check(release:"6.0", prefix:"bind9", reference:"1:9.7.3.dfsg-1~squeeze10")) flag++;
if (deb_check(release:"6.0", prefix:"bind9-doc", reference:"1:9.7.3.dfsg-1~squeeze10")) flag++;
if (deb_check(release:"6.0", prefix:"bind9-host", reference:"1:9.7.3.dfsg-1~squeeze10")) flag++;
if (deb_check(release:"6.0", prefix:"bind9utils", reference:"1:9.7.3.dfsg-1~squeeze10")) flag++;
if (deb_check(release:"6.0", prefix:"dnsutils", reference:"1:9.7.3.dfsg-1~squeeze10")) flag++;
if (deb_check(release:"6.0", prefix:"host", reference:"1:9.7.3.dfsg-1~squeeze10")) flag++;
if (deb_check(release:"6.0", prefix:"libbind-dev", reference:"1:9.7.3.dfsg-1~squeeze10")) flag++;
if (deb_check(release:"6.0", prefix:"libbind9-60", reference:"1:9.7.3.dfsg-1~squeeze10")) flag++;
if (deb_check(release:"6.0", prefix:"libdns69", reference:"1:9.7.3.dfsg-1~squeeze10")) flag++;
if (deb_check(release:"6.0", prefix:"libisc62", reference:"1:9.7.3.dfsg-1~squeeze10")) flag++;
if (deb_check(release:"6.0", prefix:"libisccc60", reference:"1:9.7.3.dfsg-1~squeeze10")) flag++;
if (deb_check(release:"6.0", prefix:"libisccfg62", reference:"1:9.7.3.dfsg-1~squeeze10")) flag++;
if (deb_check(release:"6.0", prefix:"liblwres60", reference:"1:9.7.3.dfsg-1~squeeze10")) flag++;
if (deb_check(release:"6.0", prefix:"lwresd", reference:"1:9.7.3.dfsg-1~squeeze10")) flag++;

if (flag)
{
  if (report_verbosity > 0) security_hole(port:0, extra:deb_report_get());
  else security_hole(0);
  exit(0);
}
else audit(AUDIT_HOST_NOT, "affected");
VendorProductVersionCPE
debiandebian_linuxbind9p-cpe:/a:debian:debian_linux:bind9
debiandebian_linux6.0cpe:/o:debian:debian_linux:6.0

CVSS2

7.8

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:N/I:N/A:C

EPSS

0.943

Percentile

99.2%