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RHEL 5 / 6 : JBoss Web Server (RHSA-2012:0542)

2014-11-08T00:00:00
ID REDHAT-RHSA-2012-0542.NASL
Type nessus
Reporter This script is Copyright (C) 2014-2021 and is owned by Tenable, Inc. or an Affiliate thereof.
Modified 2021-01-14T00:00:00

Description

Updated httpd packages that fix multiple security issues and one bug are now available for JBoss Enterprise Web Server 1.0.2 for Red Hat Enterprise Linux 5 and 6.

The Red Hat Security Response Team has rated this update as having moderate security impact. Common Vulnerability Scoring System (CVSS) base scores, which give detailed severity ratings, are available for each vulnerability from the CVE links in the References section.

The Apache HTTP Server ('httpd') is the namesake project of The Apache Software Foundation.

It was discovered that the Apache HTTP Server did not properly validate the request URI for proxied requests. In certain configurations, if a reverse proxy used the ProxyPassMatch directive, or if it used the RewriteRule directive with the proxy flag, a remote attacker could make the proxy connect to an arbitrary server, possibly disclosing sensitive information from internal web servers not directly accessible to the attacker. (CVE-2011-3368)

It was discovered that mod_proxy_ajp incorrectly returned an 'Internal Server Error' response when processing certain malformed HTTP requests, which caused the back-end server to be marked as failed in configurations where mod_proxy was used in load balancer mode. A remote attacker could cause mod_proxy to not send requests to back-end AJP (Apache JServ Protocol) servers for the retry timeout period or until all back-end servers were marked as failed. (CVE-2011-3348)

The httpd server included the full HTTP header line in the default error page generated when receiving an excessively long or malformed header. Malicious JavaScript running in the server's domain context could use this flaw to gain access to httpOnly cookies. (CVE-2012-0053)

An integer overflow flaw, leading to a heap-based buffer overflow, was found in the way httpd performed substitutions in regular expressions. An attacker able to set certain httpd settings, such as a user permitted to override the httpd configuration for a specific directory using a '.htaccess' file, could use this flaw to crash the httpd child process or, possibly, execute arbitrary code with the privileges of the 'apache' user. (CVE-2011-3607)

A NULL pointer dereference flaw was found in the httpd mod_log_config module. In configurations where cookie logging is enabled, a remote attacker could use this flaw to crash the httpd child process via an HTTP request with a malformed Cookie header. (CVE-2012-0021)

A flaw was found in the way httpd handled child process status information. A malicious program running with httpd child process privileges (such as a PHP or CGI script) could use this flaw to cause the parent httpd process to crash during httpd service shutdown. (CVE-2012-0031)

Red Hat would like to thank Context Information Security for reporting the CVE-2011-3368 issue.

This update also fixes the following bug :

  • The fix for CVE-2011-3192 provided by the RHSA-2011:1329 update introduced a regression in the way httpd handled certain Range HTTP header values. This update corrects this regression. (BZ#749071)

All users of JBoss Enterprise Web Server 1.0.2 should upgrade to these updated packages, which contain backported patches to correct these issues. After installing the updated packages, users must restart the httpd service 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-2012:0542. The text 
# itself is copyright (C) Red Hat, Inc.
#

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

if (description)
{
  script_id(78923);
  script_version("1.11");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/14");

  script_cve_id("CVE-2011-3348", "CVE-2011-3368", "CVE-2011-3607", "CVE-2012-0021", "CVE-2012-0031", "CVE-2012-0053");
  script_bugtraq_id(49616, 49957, 50494, 51407, 51705, 51706);
  script_xref(name:"RHSA", value:"2012:0542");

  script_name(english:"RHEL 5 / 6 : JBoss Web Server (RHSA-2012:0542)");
  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 httpd packages that fix multiple security issues and one bug
are now available for JBoss Enterprise Web Server 1.0.2 for Red Hat
Enterprise Linux 5 and 6.

The Red Hat Security Response Team has rated this update as having
moderate security impact. Common Vulnerability Scoring System (CVSS)
base scores, which give detailed severity ratings, are available for
each vulnerability from the CVE links in the References section.

The Apache HTTP Server ('httpd') is the namesake project of The Apache
Software Foundation.

It was discovered that the Apache HTTP Server did not properly
validate the request URI for proxied requests. In certain
configurations, if a reverse proxy used the ProxyPassMatch directive,
or if it used the RewriteRule directive with the proxy flag, a remote
attacker could make the proxy connect to an arbitrary server, possibly
disclosing sensitive information from internal web servers not
directly accessible to the attacker. (CVE-2011-3368)

It was discovered that mod_proxy_ajp incorrectly returned an 'Internal
Server Error' response when processing certain malformed HTTP
requests, which caused the back-end server to be marked as failed in
configurations where mod_proxy was used in load balancer mode. A
remote attacker could cause mod_proxy to not send requests to back-end
AJP (Apache JServ Protocol) servers for the retry timeout period or
until all back-end servers were marked as failed. (CVE-2011-3348)

The httpd server included the full HTTP header line in the default
error page generated when receiving an excessively long or malformed
header. Malicious JavaScript running in the server's domain context
could use this flaw to gain access to httpOnly cookies.
(CVE-2012-0053)

An integer overflow flaw, leading to a heap-based buffer overflow, was
found in the way httpd performed substitutions in regular expressions.
An attacker able to set certain httpd settings, such as a user
permitted to override the httpd configuration for a specific directory
using a '.htaccess' file, could use this flaw to crash the httpd child
process or, possibly, execute arbitrary code with the privileges of
the 'apache' user. (CVE-2011-3607)

A NULL pointer dereference flaw was found in the httpd mod_log_config
module. In configurations where cookie logging is enabled, a remote
attacker could use this flaw to crash the httpd child process via an
HTTP request with a malformed Cookie header. (CVE-2012-0021)

A flaw was found in the way httpd handled child process status
information. A malicious program running with httpd child process
privileges (such as a PHP or CGI script) could use this flaw to cause
the parent httpd process to crash during httpd service shutdown.
(CVE-2012-0031)

Red Hat would like to thank Context Information Security for reporting
the CVE-2011-3368 issue.

This update also fixes the following bug :

* The fix for CVE-2011-3192 provided by the RHSA-2011:1329 update
introduced a regression in the way httpd handled certain Range HTTP
header values. This update corrects this regression. (BZ#749071)

All users of JBoss Enterprise Web Server 1.0.2 should upgrade to these
updated packages, which contain backported patches to correct these
issues. After installing the updated packages, users must restart the
httpd service for the update to take effect."
  );
  # https://rhn.redhat.com/errata/RHSA-2011-1329.html
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/errata/RHSA-2011:1329"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/errata/RHSA-2012:0542"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2011-3368"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2011-3348"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2011-3607"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2012-0053"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2012-0031"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2012-0021"
  );
  script_set_attribute(attribute:"solution", value:"Update the affected packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N");
  script_set_cvss_temporal_vector("CVSS2#E:POC/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:redhat:enterprise_linux:httpd");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:httpd-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:httpd-manual");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:httpd-tools");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:mod_ssl");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:5");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:6");

  script_set_attribute(attribute:"vuln_publication_date", value:"2011/09/20");
  script_set_attribute(attribute:"patch_publication_date", value:"2012/05/07");
  script_set_attribute(attribute:"plugin_publication_date", value:"2014/11/08");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2014-2021 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-2012:0542";
  yum_report = redhat_generate_yum_updateinfo_report(rhsa:rhsa);
  if (!empty_or_null(yum_report))
  {
    security_report_v4(
      port       : 0,
      severity   : SECURITY_WARNING,
      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_exists(release:"RHEL5", rpm:"mod_cluster") || rpm_exists(release:"RHEL6", rpm:"mod_cluster"))) audit(AUDIT_PACKAGE_NOT_INSTALLED, "JBoss Web Server");

  if (rpm_check(release:"RHEL5", cpu:"i386", reference:"httpd-2.2.17-15.4.ep5.el5")) flag++;
  if (rpm_check(release:"RHEL5", cpu:"x86_64", reference:"httpd-2.2.17-15.4.ep5.el5")) flag++;
  if (rpm_check(release:"RHEL5", cpu:"i386", reference:"httpd-devel-2.2.17-15.4.ep5.el5")) flag++;
  if (rpm_check(release:"RHEL5", cpu:"x86_64", reference:"httpd-devel-2.2.17-15.4.ep5.el5")) flag++;
  if (rpm_check(release:"RHEL5", cpu:"i386", reference:"httpd-manual-2.2.17-15.4.ep5.el5")) flag++;
  if (rpm_check(release:"RHEL5", cpu:"x86_64", reference:"httpd-manual-2.2.17-15.4.ep5.el5")) flag++;
  if (rpm_check(release:"RHEL5", cpu:"i386", reference:"mod_ssl-2.2.17-15.4.ep5.el5")) flag++;
  if (rpm_check(release:"RHEL5", cpu:"x86_64", reference:"mod_ssl-2.2.17-15.4.ep5.el5")) flag++;

  if (rpm_check(release:"RHEL6", cpu:"i386", reference:"httpd-2.2.17-15.4.ep5.el6")) flag++;
  if (rpm_check(release:"RHEL6", cpu:"x86_64", reference:"httpd-2.2.17-15.4.ep5.el6")) flag++;
  if (rpm_check(release:"RHEL6", cpu:"i386", reference:"httpd-devel-2.2.17-15.4.ep5.el6")) flag++;
  if (rpm_check(release:"RHEL6", cpu:"x86_64", reference:"httpd-devel-2.2.17-15.4.ep5.el6")) flag++;
  if (rpm_check(release:"RHEL6", cpu:"i386", reference:"httpd-manual-2.2.17-15.4.ep5.el6")) flag++;
  if (rpm_check(release:"RHEL6", cpu:"x86_64", reference:"httpd-manual-2.2.17-15.4.ep5.el6")) flag++;
  if (rpm_check(release:"RHEL6", cpu:"i386", reference:"httpd-tools-2.2.17-15.4.ep5.el6")) flag++;
  if (rpm_check(release:"RHEL6", cpu:"x86_64", reference:"httpd-tools-2.2.17-15.4.ep5.el6")) flag++;
  if (rpm_check(release:"RHEL6", cpu:"i386", reference:"mod_ssl-2.2.17-15.4.ep5.el6")) flag++;
  if (rpm_check(release:"RHEL6", cpu:"x86_64", reference:"mod_ssl-2.2.17-15.4.ep5.el6")) flag++;

  if (flag)
  {
    security_report_v4(
      port       : 0,
      severity   : SECURITY_WARNING,
      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, "httpd / httpd-devel / httpd-manual / httpd-tools / mod_ssl");
  }
}
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