Vulnerabilities > CVE-2010-2448 - Denial Of Service vulnerability in ZNC NULL Pointer Dereference

#%NASL_MIN_LEVEL 80502
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Fedora Security Advisory 2010-10078.
#

include("compat.inc");

if (description)
{
  script_id(47207);
  script_version("1.10");
  script_cvs_date("Date: 2019/08/02 13:32:31");

  script_cve_id("CVE-2010-2448");
  script_bugtraq_id(40982);
  script_xref(name:"FEDORA", value:"2010-10078");

  script_name(english:"Fedora 12 : znc-0.090-2.fc12 (2010-10078)");
  script_summary(english:"Checks rpm output for the updated package.");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote Fedora host is missing a security update."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"Bug 603915 - znc: NULL pointer dereference flaw leads to segfault
under certain conditions A Debian bug report [1] noted that ZNC would
segfault under certain conditions, such as clicking 'traffic' in the
webadmin pages or issuing the traffic command on the /znc shell. This
has been corrected upstream [2]. This vulnerability was reported
against 0.090 which is the version that Fedora provides. [1]
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=584929 [2]
http://znc.svn.sourceforge.net/viewvc/znc?view=rev&revision=2026

Note that Tenable Network Security has extracted the preceding
description block directly from the Fedora security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues."
  );
  # http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=584929
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=584929"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"http://znc.svn.sourceforge.net/viewvc/znc?view=rev&revision=2026"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.redhat.com/show_bug.cgi?id=603915"
  );
  # https://lists.fedoraproject.org/pipermail/package-announce/2010-June/043043.html
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?e3d1bf0f"
  );
  script_set_attribute(attribute:"solution", value:"Update the affected znc package.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:S/C:N/I:N/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:F/RL:OF/RC:C");
  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fedoraproject:fedora:znc");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:fedoraproject:fedora:12");

  script_set_attribute(attribute:"patch_publication_date", value:"2010/06/21");
  script_set_attribute(attribute:"plugin_publication_date", value:"2010/07/01");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2010-2019 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"Fedora Local Security Checks");

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

  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/RedHat/release");
if (isnull(release) || "Fedora" >!< release) audit(AUDIT_OS_NOT, "Fedora");
os_ver = eregmatch(pattern: "Fedora.*release ([0-9]+)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "Fedora");
os_ver = os_ver[1];
if (! ereg(pattern:"^12([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Fedora 12.x", "Fedora " + os_ver);

if (!get_kb_item("Host/RedHat/rpm-list")) 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, "Fedora", cpu);

flag = 0;
if (rpm_check(release:"FC12", reference:"znc-0.090-2.fc12")) flag++;


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

#%NASL_MIN_LEVEL 80502
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Fedora Security Advisory 2010-10082.
#

include("compat.inc");

if (description)
{
  script_id(47208);
  script_version("1.10");
  script_cvs_date("Date: 2019/08/02 13:32:31");

  script_cve_id("CVE-2010-2448");
  script_bugtraq_id(40982);
  script_xref(name:"FEDORA", value:"2010-10082");

  script_name(english:"Fedora 11 : znc-0.090-2.fc11 (2010-10082)");
  script_summary(english:"Checks rpm output for the updated package.");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote Fedora host is missing a security update."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"Bug 603915 - znc: NULL pointer dereference flaw leads to segfault
under certain conditions A Debian bug report [1] noted that ZNC would
segfault under certain conditions, such as clicking 'traffic' in the
webadmin pages or issuing the traffic command on the /znc shell. This
has been corrected upstream [2]. This vulnerability was reported
against 0.090 which is the version that Fedora provides. [1]
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=584929 [2]
http://znc.svn.sourceforge.net/viewvc/znc?view=rev&revision=2026

Note that Tenable Network Security has extracted the preceding
description block directly from the Fedora security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues."
  );
  # http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=584929
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=584929"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"http://znc.svn.sourceforge.net/viewvc/znc?view=rev&revision=2026"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.redhat.com/show_bug.cgi?id=603915"
  );
  # https://lists.fedoraproject.org/pipermail/package-announce/2010-June/043044.html
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?d3066ac5"
  );
  script_set_attribute(attribute:"solution", value:"Update the affected znc package.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:S/C:N/I:N/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:F/RL:OF/RC:C");
  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fedoraproject:fedora:znc");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:fedoraproject:fedora:11");

  script_set_attribute(attribute:"patch_publication_date", value:"2010/06/21");
  script_set_attribute(attribute:"plugin_publication_date", value:"2010/07/01");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2010-2019 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"Fedora Local Security Checks");

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

  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/RedHat/release");
if (isnull(release) || "Fedora" >!< release) audit(AUDIT_OS_NOT, "Fedora");
os_ver = eregmatch(pattern: "Fedora.*release ([0-9]+)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "Fedora");
os_ver = os_ver[1];
if (! ereg(pattern:"^11([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Fedora 11.x", "Fedora " + os_ver);

if (!get_kb_item("Host/RedHat/rpm-list")) 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, "Fedora", cpu);

flag = 0;
if (rpm_check(release:"FC11", reference:"znc-0.090-2.fc11")) flag++;


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