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RHEL 5 / 6 : cups (RHSA-2013:0580)

2013-03-01T00:00:00
ID REDHAT-RHSA-2013-0580.NASL
Type nessus
Reporter This script is Copyright (C) 2013-2020 and is owned by Tenable, Inc. or an Affiliate thereof.
Modified 2013-03-01T00:00:00

Description

Updated cups packages that fix one security issue are now available for Red Hat Enterprise Linux 5 and 6.

The Red Hat Security Response Team has rated this update as having moderate security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section.

The Common UNIX Printing System (CUPS) provides a portable printing layer for Linux, UNIX, and similar operating systems.

It was discovered that CUPS administrative users (members of the SystemGroups groups) who are permitted to perform CUPS configuration changes via the CUPS web interface could manipulate the CUPS configuration to gain unintended privileges. Such users could read or write arbitrary files with the privileges of the CUPS daemon, possibly allowing them to run arbitrary code with root privileges. (CVE-2012-5519)

After installing this update, the ability to change certain CUPS configuration directives remotely will be disabled by default. The newly introduced ConfigurationChangeRestriction directive can be used to enable the changing of the restricted directives remotely. Refer to Red Hat Bugzilla bug 875898 for more details and the list of restricted directives.

All users of cups are advised to upgrade to these updated packages, which contain a backported patch to resolve this issue. After installing this update, the cupsd daemon will be restarted automatically.

                                        
                                            #%NASL_MIN_LEVEL 80502
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Red Hat Security Advisory RHSA-2013:0580. The text 
# itself is copyright (C) Red Hat, Inc.
#

include("compat.inc");

if (description)
{
  script_id(64944);
  script_version("1.18");
  script_set_attribute(attribute:"plugin_modification_date", value:"2020/09/24");

  script_cve_id("CVE-2012-5519");
  script_bugtraq_id(56494);
  script_xref(name:"RHSA", value:"2013:0580");

  script_name(english:"RHEL 5 / 6 : cups (RHSA-2013:0580)");
  script_summary(english:"Checks the rpm output for the updated packages");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote Red Hat host is missing one or more security updates."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"Updated cups packages that fix one security issue are now available
for Red Hat Enterprise Linux 5 and 6.

The Red Hat Security Response Team has rated this update as having
moderate security impact. A Common Vulnerability Scoring System (CVSS)
base score, which gives a detailed severity rating, is available from
the CVE link in the References section.

The Common UNIX Printing System (CUPS) provides a portable printing
layer for Linux, UNIX, and similar operating systems.

It was discovered that CUPS administrative users (members of the
SystemGroups groups) who are permitted to perform CUPS configuration
changes via the CUPS web interface could manipulate the CUPS
configuration to gain unintended privileges. Such users could read or
write arbitrary files with the privileges of the CUPS daemon, possibly
allowing them to run arbitrary code with root privileges.
(CVE-2012-5519)

After installing this update, the ability to change certain CUPS
configuration directives remotely will be disabled by default. The
newly introduced ConfigurationChangeRestriction directive can be used
to enable the changing of the restricted directives remotely. Refer to
Red Hat Bugzilla bug 875898 for more details and the list of
restricted directives.

All users of cups are advised to upgrade to these updated packages,
which contain a backported patch to resolve this issue. After
installing this update, the cupsd daemon will be restarted
automatically."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/errata/RHSA-2013:0580"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2012-5519"
  );
  script_set_attribute(attribute:"solution", value:"Update the affected packages.");
  script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/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:redhat:enterprise_linux:cups");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:cups-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:cups-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:cups-libs");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:cups-lpd");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:cups-php");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:5");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:5.9");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:6");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:6.4");

  script_set_attribute(attribute:"vuln_publication_date", value:"2012/11/19");
  script_set_attribute(attribute:"patch_publication_date", value:"2013/02/28");
  script_set_attribute(attribute:"plugin_publication_date", value:"2013/03/01");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2013-2020 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"Red Hat Local Security Checks");

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

  exit(0);
}


include("audit.inc");
include("global_settings.inc");
include("misc_func.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) || "Red Hat" >!< release) audit(AUDIT_OS_NOT, "Red Hat");
os_ver = pregmatch(pattern: "Red Hat Enterprise Linux.*release ([0-9]+(\.[0-9]+)?)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "Red Hat");
os_ver = os_ver[1];
if (! preg(pattern:"^(5|6)([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Red Hat 5.x / 6.x", "Red Hat " + 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$" && "s390" >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Red Hat", cpu);

yum_updateinfo = get_kb_item("Host/RedHat/yum-updateinfo");
if (!empty_or_null(yum_updateinfo)) 
{
  rhsa = "RHSA-2013:0580";
  yum_report = redhat_generate_yum_updateinfo_report(rhsa:rhsa);
  if (!empty_or_null(yum_report))
  {
    security_report_v4(
      port       : 0,
      severity   : SECURITY_HOLE,
      extra      : yum_report 
    );
    exit(0);
  }
  else
  {
    audit_message = "affected by Red Hat security advisory " + rhsa;
    audit(AUDIT_OS_NOT, audit_message);
  }
}
else
{
  flag = 0;
  if (rpm_check(release:"RHEL5", cpu:"i386", reference:"cups-1.3.7-30.el5_9.3")) flag++;

  if (rpm_check(release:"RHEL5", cpu:"s390x", reference:"cups-1.3.7-30.el5_9.3")) flag++;

  if (rpm_check(release:"RHEL5", cpu:"x86_64", reference:"cups-1.3.7-30.el5_9.3")) flag++;

  if (rpm_check(release:"RHEL5", reference:"cups-debuginfo-1.3.7-30.el5_9.3")) flag++;

  if (rpm_check(release:"RHEL5", reference:"cups-devel-1.3.7-30.el5_9.3")) flag++;

  if (rpm_check(release:"RHEL5", reference:"cups-libs-1.3.7-30.el5_9.3")) flag++;

  if (rpm_check(release:"RHEL5", cpu:"i386", reference:"cups-lpd-1.3.7-30.el5_9.3")) flag++;

  if (rpm_check(release:"RHEL5", cpu:"s390x", reference:"cups-lpd-1.3.7-30.el5_9.3")) flag++;

  if (rpm_check(release:"RHEL5", cpu:"x86_64", reference:"cups-lpd-1.3.7-30.el5_9.3")) flag++;


  if (rpm_check(release:"RHEL6", cpu:"i686", reference:"cups-1.4.2-50.el6_4.4")) flag++;

  if (rpm_check(release:"RHEL6", cpu:"s390x", reference:"cups-1.4.2-50.el6_4.4")) flag++;

  if (rpm_check(release:"RHEL6", cpu:"x86_64", reference:"cups-1.4.2-50.el6_4.4")) flag++;

  if (rpm_check(release:"RHEL6", reference:"cups-debuginfo-1.4.2-50.el6_4.4")) flag++;

  if (rpm_check(release:"RHEL6", reference:"cups-devel-1.4.2-50.el6_4.4")) flag++;

  if (rpm_check(release:"RHEL6", reference:"cups-libs-1.4.2-50.el6_4.4")) flag++;

  if (rpm_check(release:"RHEL6", cpu:"i686", reference:"cups-lpd-1.4.2-50.el6_4.4")) flag++;

  if (rpm_check(release:"RHEL6", cpu:"s390x", reference:"cups-lpd-1.4.2-50.el6_4.4")) flag++;

  if (rpm_check(release:"RHEL6", cpu:"x86_64", reference:"cups-lpd-1.4.2-50.el6_4.4")) flag++;

  if (rpm_check(release:"RHEL6", cpu:"i686", reference:"cups-php-1.4.2-50.el6_4.4")) flag++;

  if (rpm_check(release:"RHEL6", cpu:"s390x", reference:"cups-php-1.4.2-50.el6_4.4")) flag++;

  if (rpm_check(release:"RHEL6", cpu:"x86_64", reference:"cups-php-1.4.2-50.el6_4.4")) flag++;


  if (flag)
  {
    security_report_v4(
      port       : 0,
      severity   : SECURITY_HOLE,
      extra      : rpm_report_get() + redhat_report_package_caveat()
    );
    exit(0);
  }
  else
  {
    tested = pkg_tests_get();
    if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
    else audit(AUDIT_PACKAGE_NOT_INSTALLED, "cups / cups-debuginfo / cups-devel / cups-libs / cups-lpd / etc");
  }
}
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