Vulnerabilities > CVE-2007-4996 - Remote Denial Of Service vulnerability in Pidgin 2.2.0

#%NASL_MIN_LEVEL 80502
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Fedora Security Advisory 2007-2368.
#

include("compat.inc");

if (description)
{
  script_id(27770);
  script_version ("1.13");
  script_cvs_date("Date: 2019/08/02 13:32:25");

  script_cve_id("CVE-2007-4996");
  script_xref(name:"FEDORA", value:"2007-2368");

  script_name(english:"Fedora 7 : pidgin-2.2.1-1.fc7 (2007-2368)");
  script_summary(english:"Checks rpm output for the updated packages.");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote Fedora host is missing a security update."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"Minor DOS fix and a great many other bug fixes in upstream's 2.2.1
release.

http://developer.pidgin.im/wiki/ChangeLog Upstream changelog.

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://developer.pidgin.im/wiki/ChangeLog
  script_set_attribute(
    attribute:"see_also",
    value:"https://developer.pidgin.im/wiki/ChangeLog"
  );
  # https://lists.fedoraproject.org/pipermail/package-announce/2007-October/004006.html
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?76a415a0"
  );
  script_set_attribute(attribute:"solution", value:"Update the affected packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/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:fedoraproject:fedora:finch");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fedoraproject:fedora:finch-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fedoraproject:fedora:libpurple");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fedoraproject:fedora:libpurple-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fedoraproject:fedora:libpurple-perl");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fedoraproject:fedora:libpurple-tcl");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fedoraproject:fedora:pidgin");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fedoraproject:fedora:pidgin-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fedoraproject:fedora:pidgin-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fedoraproject:fedora:pidgin-perl");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:fedoraproject:fedora:7");

  script_set_attribute(attribute:"patch_publication_date", value:"2007/10/03");
  script_set_attribute(attribute:"plugin_publication_date", value:"2007/11/06");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2007-2019 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:"^7([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Fedora 7.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:"FC7", reference:"finch-2.2.1-1.fc7")) flag++;
if (rpm_check(release:"FC7", reference:"finch-devel-2.2.1-1.fc7")) flag++;
if (rpm_check(release:"FC7", reference:"libpurple-2.2.1-1.fc7")) flag++;
if (rpm_check(release:"FC7", reference:"libpurple-devel-2.2.1-1.fc7")) flag++;
if (rpm_check(release:"FC7", reference:"libpurple-perl-2.2.1-1.fc7")) flag++;
if (rpm_check(release:"FC7", reference:"libpurple-tcl-2.2.1-1.fc7")) flag++;
if (rpm_check(release:"FC7", reference:"pidgin-2.2.1-1.fc7")) flag++;
if (rpm_check(release:"FC7", reference:"pidgin-debuginfo-2.2.1-1.fc7")) flag++;
if (rpm_check(release:"FC7", reference:"pidgin-devel-2.2.1-1.fc7")) flag++;
if (rpm_check(release:"FC7", reference:"pidgin-perl-2.2.1-1.fc7")) 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, "finch / finch-devel / libpurple / libpurple-devel / libpurple-perl / etc");
}