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Debian DSA-2243-1 : unbound - design flaw

Debian DSA-2243-1 : Unbound design flaw. Unbound ceases to provide answers for DNSSEC zones after processing a crafted query. Upgrade to unbound version 1.4.6-1~lenny1 for oldstable (lenny) and 1.4.4-1 for other distributions (squeeze, wheezy, sid)

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ReporterTitlePublishedViews
Family
CVE
CVE-2009-4008
2 Jun 201120:55
cve
OpenVAS
Debian: Security Advisory (DSA-2243-1)
3 Aug 201100:00
openvas
OpenVAS
Debian Security Advisory DSA 2243-1 (unbound)
3 Aug 201100:00
openvas
OSV
unbound - design flaw
27 May 201100:00
osv
Debian
[SECURITY] [DSA 2243-1] unbound security update
27 May 201121:59
debian
securityvulns
[SECURITY] [DSA 2243-1] unbound security update
30 May 201100:00
securityvulns
securityvulns
Unbound DNS server DoS
30 May 201100:00
securityvulns
UbuntuCve
CVE-2009-4008
2 Jun 201100:00
ubuntucve
Cvelist
CVE-2009-4008
2 Jun 201120:00
cvelist
Prion
Design/Logic Flaw
2 Jun 201120:55
prion
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#%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-2243. The text 
# itself is copyright (C) Software in the Public Interest, Inc.
#

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

if (description)
{
  script_id(55031);
  script_version("1.9");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/04");

  script_cve_id("CVE-2009-4008");
  script_xref(name:"DSA", value:"2243");

  script_name(english:"Debian DSA-2243-1 : unbound - design flaw");
  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:
"It was discovered that Unbound, a caching DNS resolver, ceases to
provide answers for zones signed using DNSSEC after it has processed a
crafted query. (CVE-2009-4008 )

In addition, this update improves the level of DNSSEC support in the
lenny version of Unbound so that it is possible for system
administrators to configure the trust anchor for the root zone."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://security-tracker.debian.org/tracker/CVE-2009-4008"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.debian.org/security/2011/dsa-2243"
  );
  script_set_attribute(
    attribute:"solution", 
    value:
"Upgrade the unbound packages.

For the oldstable distribution (lenny), this problem has been fixed in
version 1.4.6-1~lenny1.

For the other distributions (squeeze, wheezy, sid), this problem has
been fixed in version 1.4.4-1."
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:unbound");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:5.0");

  script_set_attribute(attribute:"patch_publication_date", value:"2011/05/27");
  script_set_attribute(attribute:"plugin_publication_date", value:"2011/06/10");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2011-2021 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:"5.0", prefix:"unbound", reference:"1.4.6-1~lenny1")) flag++;

if (flag)
{
  if (report_verbosity > 0) security_warning(port:0, extra:deb_report_get());
  else security_warning(0);
  exit(0);
}
else audit(AUDIT_HOST_NOT, "affected");

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10 Jun 2011 00:00Current
0.4Low risk
Vulners AI Score0.4
CVSS25
EPSS0.008
16
.json
Report