openSUSE Security Update : unbound (unbound-840)

2009-07-21T00:00:00
ID SUSE_11_1_UNBOUND-090429.NASL
Type nessus
Reporter This script is Copyright (C) 2009-2019 Tenable Network Security, Inc.
Modified 2020-08-02T00:00:00

Description

This update fixes a heap-based buffer overflow in the ldns_rr_new_frm_str_internal() function. This allowed remote attackers to cause a denial of service and possibly execute arbitrary code via a DNS resource record (RR) with a long class field and possibly TTL field. (CVE-2009-1086)

                                        
                                            #%NASL_MIN_LEVEL 80502
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from openSUSE Security Update unbound-840.
#
# The text description of this plugin is (C) SUSE LLC.
#

include("compat.inc");

if (description)
{
  script_id(40317);
  script_version("1.10");
  script_cvs_date("Date: 2019/10/25 13:36:35");

  script_cve_id("CVE-2009-1086");

  script_name(english:"openSUSE Security Update : unbound (unbound-840)");
  script_summary(english:"Check for the unbound-840 patch");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote openSUSE host is missing a security update."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"This update fixes a heap-based buffer overflow in the
ldns_rr_new_frm_str_internal() function. This allowed remote attackers
to cause a denial of service and possibly execute arbitrary code via a
DNS resource record (RR) with a long class field and possibly TTL
field. (CVE-2009-1086)"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.novell.com/show_bug.cgi?id=488631"
  );
  script_set_attribute(
    attribute:"solution", 
    value:"Update the affected unbound packages."
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:P");
  script_cwe_id(399);

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:unbound");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:unbound-devel");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:opensuse:11.1");

  script_set_attribute(attribute:"patch_publication_date", value:"2009/04/29");
  script_set_attribute(attribute:"plugin_publication_date", value:"2009/07/21");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2009-2019 Tenable Network Security, Inc.");
  script_family(english:"SuSE Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/SuSE/release", "Host/SuSE/rpm-list", "Host/cpu");

  exit(0);
}


include("audit.inc");
include("global_settings.inc");
include("rpm.inc");

if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
release = get_kb_item("Host/SuSE/release");
if (isnull(release) || release =~ "^(SLED|SLES)") audit(AUDIT_OS_NOT, "openSUSE");
if (release !~ "^(SUSE11\.1)$") audit(AUDIT_OS_RELEASE_NOT, "openSUSE", "11.1", release);
if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);

ourarch = get_kb_item("Host/cpu");
if (!ourarch) audit(AUDIT_UNKNOWN_ARCH);
if (ourarch !~ "^(i586|i686|x86_64)$") audit(AUDIT_ARCH_NOT, "i586 / i686 / x86_64", ourarch);

flag = 0;

if ( rpm_check(release:"SUSE11.1", reference:"unbound-1.0.0-2.21.1") ) flag++;
if ( rpm_check(release:"SUSE11.1", reference:"unbound-devel-1.0.0-2.21.1") ) flag++;

if (flag)
{
  if (report_verbosity > 0) security_warning(port:0, extra:rpm_report_get());
  else security_warning(0);
  exit(0);
}
else
{
  tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "ldns/unbound");
}