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This script is Copyright (C) 2012-2022 and is owned by Tenable, Inc. or an Affiliate thereof.CENTOS_RHSA-2012-0547.NASL
HistoryMay 10, 2012 - 12:00 a.m.

CentOS 5 : php53 (CESA-2012:0547)

2012-05-1000:00:00
This script is Copyright (C) 2012-2022 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
56

Updated php53 packages that fix one security issue are now available for Red Hat Enterprise Linux 5.

The Red Hat Security Response Team has rated this update as having critical 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.

PHP is an HTML-embedded scripting language commonly used with the Apache HTTP Server.

A flaw was found in the way the php-cgi executable processed command line arguments when running in CGI mode. A remote attacker could send a specially crafted request to a PHP script that would result in the query string being parsed by php-cgi as command line options and arguments. This could lead to the disclosure of the script’s source code or arbitrary code execution with the privileges of the PHP interpreter. (CVE-2012-1823)

Red Hat is aware that a public exploit for this issue is available that allows remote code execution in affected PHP CGI configurations.
This flaw does not affect the default configuration using the PHP module for Apache httpd to handle PHP scripts.

All php53 users should upgrade to these updated packages, which contain a backported patch to resolve this issue. After installing the updated packages, the httpd daemon must be restarted for the update to take effect.

#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Red Hat Security Advisory RHSA-2012:0547 and 
# CentOS Errata and Security Advisory 2012:0547 respectively.
#

include('deprecated_nasl_level.inc');
include('compat.inc');

if (description)
{
  script_id(59058);
  script_version("1.18");
  script_set_attribute(attribute:"plugin_modification_date", value:"2022/03/28");

  script_cve_id("CVE-2012-1823");
  script_bugtraq_id(53388);
  script_xref(name:"RHSA", value:"2012:0547");
  script_xref(name:"CISA-KNOWN-EXPLOITED", value:"2022/04/15");

  script_name(english:"CentOS 5 : php53 (CESA-2012:0547)");

  script_set_attribute(attribute:"synopsis", value:
"The remote CentOS host is missing one or more security updates.");
  script_set_attribute(attribute:"description", value:
"Updated php53 packages that fix one security issue are now available
for Red Hat Enterprise Linux 5.

The Red Hat Security Response Team has rated this update as having
critical 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.

PHP is an HTML-embedded scripting language commonly used with the
Apache HTTP Server.

A flaw was found in the way the php-cgi executable processed command
line arguments when running in CGI mode. A remote attacker could send
a specially crafted request to a PHP script that would result in the
query string being parsed by php-cgi as command line options and
arguments. This could lead to the disclosure of the script's source
code or arbitrary code execution with the privileges of the PHP
interpreter. (CVE-2012-1823)

Red Hat is aware that a public exploit for this issue is available
that allows remote code execution in affected PHP CGI configurations.
This flaw does not affect the default configuration using the PHP
module for Apache httpd to handle PHP scripts.

All php53 users should upgrade to these updated packages, which
contain a backported patch to resolve this issue. After installing the
updated packages, the httpd daemon must be restarted for the update to
take effect.");
  # https://lists.centos.org/pipermail/centos-announce/2012-May/018617.html
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?ada2dd15");
  script_set_attribute(attribute:"solution", value:
"Update the affected php53 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:H/RL:OF/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2012-1823");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_set_attribute(attribute:"exploit_framework_core", value:"true");
  script_set_attribute(attribute:"exploited_by_malware", value:"true");
  script_set_attribute(attribute:"metasploit_name", value:'PHP CGI Argument Injection');
  script_set_attribute(attribute:"exploit_framework_metasploit", value:"true");
  script_set_attribute(attribute:"exploit_framework_canvas", value:"true");
  script_set_attribute(attribute:"canvas_package", value:"CANVAS");

  script_set_attribute(attribute:"vuln_publication_date", value:"2012/05/11");
  script_set_attribute(attribute:"patch_publication_date", value:"2012/05/07");
  script_set_attribute(attribute:"plugin_publication_date", value:"2012/05/10");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:php53");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:php53-bcmath");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:php53-cli");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:php53-common");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:php53-dba");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:php53-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:php53-gd");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:php53-imap");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:php53-intl");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:php53-ldap");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:php53-mbstring");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:php53-mysql");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:php53-odbc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:php53-pdo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:php53-pgsql");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:php53-process");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:php53-pspell");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:php53-snmp");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:php53-soap");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:php53-xml");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:php53-xmlrpc");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:centos:centos:5");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"CentOS Local Security Checks");

  script_copyright(english:"This script is Copyright (C) 2012-2022 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/CentOS/release", "Host/CentOS/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/CentOS/release");
if (isnull(release) || "CentOS" >!< release) audit(AUDIT_OS_NOT, "CentOS");
os_ver = pregmatch(pattern: "CentOS(?: Linux)? release ([0-9]+)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "CentOS");
os_ver = os_ver[1];
if (! preg(pattern:"^5([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "CentOS 5.x", "CentOS " + os_ver);

if (!get_kb_item("Host/CentOS/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, "CentOS", cpu);


flag = 0;
if (rpm_check(release:"CentOS-5", reference:"php53-5.3.3-7.el5_8")) flag++;
if (rpm_check(release:"CentOS-5", reference:"php53-bcmath-5.3.3-7.el5_8")) flag++;
if (rpm_check(release:"CentOS-5", reference:"php53-cli-5.3.3-7.el5_8")) flag++;
if (rpm_check(release:"CentOS-5", reference:"php53-common-5.3.3-7.el5_8")) flag++;
if (rpm_check(release:"CentOS-5", reference:"php53-dba-5.3.3-7.el5_8")) flag++;
if (rpm_check(release:"CentOS-5", reference:"php53-devel-5.3.3-7.el5_8")) flag++;
if (rpm_check(release:"CentOS-5", reference:"php53-gd-5.3.3-7.el5_8")) flag++;
if (rpm_check(release:"CentOS-5", reference:"php53-imap-5.3.3-7.el5_8")) flag++;
if (rpm_check(release:"CentOS-5", reference:"php53-intl-5.3.3-7.el5_8")) flag++;
if (rpm_check(release:"CentOS-5", reference:"php53-ldap-5.3.3-7.el5_8")) flag++;
if (rpm_check(release:"CentOS-5", reference:"php53-mbstring-5.3.3-7.el5_8")) flag++;
if (rpm_check(release:"CentOS-5", reference:"php53-mysql-5.3.3-7.el5_8")) flag++;
if (rpm_check(release:"CentOS-5", reference:"php53-odbc-5.3.3-7.el5_8")) flag++;
if (rpm_check(release:"CentOS-5", reference:"php53-pdo-5.3.3-7.el5_8")) flag++;
if (rpm_check(release:"CentOS-5", reference:"php53-pgsql-5.3.3-7.el5_8")) flag++;
if (rpm_check(release:"CentOS-5", reference:"php53-process-5.3.3-7.el5_8")) flag++;
if (rpm_check(release:"CentOS-5", reference:"php53-pspell-5.3.3-7.el5_8")) flag++;
if (rpm_check(release:"CentOS-5", reference:"php53-snmp-5.3.3-7.el5_8")) flag++;
if (rpm_check(release:"CentOS-5", reference:"php53-soap-5.3.3-7.el5_8")) flag++;
if (rpm_check(release:"CentOS-5", reference:"php53-xml-5.3.3-7.el5_8")) flag++;
if (rpm_check(release:"CentOS-5", reference:"php53-xmlrpc-5.3.3-7.el5_8")) flag++;


if (flag)
{
  security_report_v4(
    port       : 0,
    severity   : SECURITY_HOLE,
    extra      : rpm_report_get()
  );
  exit(0);
}
else
{
  tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "php53 / php53-bcmath / php53-cli / php53-common / php53-dba / etc");
}
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