Vulnerabilities > CVE-2012-6656 - Improper Input Validation vulnerability in multiple products

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from SUSE update advisory SUSE-SU-2015:0170-1.
# The text itself is copyright (C) SUSE.
#

include("compat.inc");

if (description)
{
  script_id(83675);
  script_version("2.9");
  script_cvs_date("Date: 2020/01/15");

  script_cve_id("CVE-2012-6656", "CVE-2013-4357", "CVE-2014-4043", "CVE-2014-6040");
  script_bugtraq_id(67992, 68006, 69470, 69472);

  script_name(english:"SUSE SLES10 Security Update : glibc (SUSE-SU-2015:0170-1)");
  script_summary(english:"Checks rpm output for the updated packages.");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote SUSE host is missing one or more security updates."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"glibc has been updated to fix security issues :

  - Fix crashes on invalid input in IBM gconv modules
    (CVE-2014-6040, CVE-2012-6656, bsc#894553, bsc#894556,
    GLIBC BZ #17325, GLIBC BZ #14134)

  - Fixed a stack overflow during hosts parsing
    (CVE-2013-4357)

  - Copy filename argument in
    posix_spawn_file_actions_addopen (CVE-2014-4043,
    bsc#882600, BZ #17048)

Note that Tenable Network Security has extracted the preceding
description block directly from the SUSE security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=844309"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=882600"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=894553"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=894556"
  );
  # https://download.suse.com/patch/finder/?keywords=1ccbe69cba5cc8835258525263c85657
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?18c9278a"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.suse.com/security/cve/CVE-2012-6656/"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.suse.com/security/cve/CVE-2013-4357/"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.suse.com/security/cve/CVE-2014-6040/"
  );
  # https://www.suse.com/support/update/announcement/2015/suse-su-20150170-1.html
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?dcd4c243"
  );
  script_set_attribute(attribute:"solution", value:"Update the affected glibc packages");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/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:novell:suse_linux:glibc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:glibc-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:glibc-html");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:glibc-i18ndata");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:glibc-info");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:glibc-locale");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:glibc-profile");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:nscd");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:suse_linux:10");

  script_set_attribute(attribute:"vuln_publication_date", value:"2014/10/06");
  script_set_attribute(attribute:"patch_publication_date", value:"2015/01/28");
  script_set_attribute(attribute:"plugin_publication_date", value:"2015/05/20");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2015-2020 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"SuSE Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/cpu", "Host/SuSE/release", "Host/SuSE/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/SuSE/release");
if (isnull(release) || release !~ "^(SLED|SLES)") audit(AUDIT_OS_NOT, "SUSE");
os_ver = pregmatch(pattern: "^(SLE(S|D)\d+)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "SUSE");
os_ver = os_ver[1];
if (! preg(pattern:"^(SLES10)$", string:os_ver)) audit(AUDIT_OS_NOT, "SUSE SLES10", "SUSE " + os_ver);

if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);

cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if (cpu !~ "^i[3-6]86$" && "x86_64" >!< cpu && "s390x" >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "SUSE " + os_ver, cpu);

sp = get_kb_item("Host/SuSE/patchlevel");
if (isnull(sp)) sp = "0";
if (os_ver == "SLES10" && (! preg(pattern:"^(4)$", string:sp))) audit(AUDIT_OS_NOT, "SLES10 SP4", os_ver + " SP" + sp);


flag = 0;
if (rpm_check(release:"SLES10", sp:"4", cpu:"x86_64", reference:"glibc-32bit-2.4-31.115.2")) flag++;
if (rpm_check(release:"SLES10", sp:"4", cpu:"x86_64", reference:"glibc-devel-32bit-2.4-31.115.2")) flag++;
if (rpm_check(release:"SLES10", sp:"4", cpu:"x86_64", reference:"glibc-locale-32bit-2.4-31.115.2")) flag++;
if (rpm_check(release:"SLES10", sp:"4", cpu:"x86_64", reference:"glibc-profile-32bit-2.4-31.115.2")) flag++;
if (rpm_check(release:"SLES10", sp:"4", cpu:"s390x", reference:"glibc-32bit-2.4-31.115.2")) flag++;
if (rpm_check(release:"SLES10", sp:"4", cpu:"s390x", reference:"glibc-devel-32bit-2.4-31.115.2")) flag++;
if (rpm_check(release:"SLES10", sp:"4", cpu:"s390x", reference:"glibc-locale-32bit-2.4-31.115.2")) flag++;
if (rpm_check(release:"SLES10", sp:"4", cpu:"s390x", reference:"glibc-profile-32bit-2.4-31.115.2")) flag++;
if (rpm_check(release:"SLES10", sp:"4", reference:"glibc-2.4-31.115.2")) flag++;
if (rpm_check(release:"SLES10", sp:"4", reference:"glibc-devel-2.4-31.115.2")) flag++;
if (rpm_check(release:"SLES10", sp:"4", reference:"glibc-html-2.4-31.115.2")) flag++;
if (rpm_check(release:"SLES10", sp:"4", reference:"glibc-i18ndata-2.4-31.115.2")) flag++;
if (rpm_check(release:"SLES10", sp:"4", reference:"glibc-info-2.4-31.115.2")) flag++;
if (rpm_check(release:"SLES10", sp:"4", reference:"glibc-locale-2.4-31.115.2")) flag++;
if (rpm_check(release:"SLES10", sp:"4", reference:"glibc-profile-2.4-31.115.2")) flag++;
if (rpm_check(release:"SLES10", sp:"4", reference:"nscd-2.4-31.115.2")) flag++;


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