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F5 Networks BIG-IP : Apache HTTPD vulnerability (SOL16907)

2015-07-24T00:00:00
ID F5_BIGIP_SOL16907.NASL
Type nessus
Reporter Tenable
Modified 2019-01-04T00:00:00

Description

Integer overflow in the ap_pregsub function in server/util.c in the Apache HTTP Server 2.0.x through 2.0.64 and 2.2.x through 2.2.21, when the mod_setenvif module is enabled, allows local users to gain privileges via a .htaccess file with a crafted SetEnvIf directive, in conjunction with a crafted HTTP request header, leading to a heap-based buffer overflow.

                                        
                                            #
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from F5 Networks BIG-IP Solution SOL16907.
#
# The text description of this plugin is (C) F5 Networks.
#

include("compat.inc");

if (description)
{
  script_id(84966);
  script_version("2.7");
  script_cvs_date("Date: 2019/01/04 10:03:40");

  script_cve_id("CVE-2011-3607");
  script_bugtraq_id(50494);

  script_name(english:"F5 Networks BIG-IP : Apache HTTPD vulnerability (SOL16907)");
  script_summary(english:"Checks the BIG-IP version.");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote device is missing a vendor-supplied security patch."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"Integer overflow in the ap_pregsub function in server/util.c in the
Apache HTTP Server 2.0.x through 2.0.64 and 2.2.x through 2.2.21, when
the mod_setenvif module is enabled, allows local users to gain
privileges via a .htaccess file with a crafted SetEnvIf directive, in
conjunction with a crafted HTTP request header, leading to a
heap-based buffer overflow."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://support.f5.com/csp/article/K16907"
  );
  script_set_attribute(
    attribute:"solution", 
    value:
"Upgrade to one of the non-vulnerable versions listed in the F5
Solution SOL16907."
  );
  script_set_cvss_base_vector("CVSS2#AV:L/AC:M/Au:N/C:P/I:P/A:P");
  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:"potential_vulnerability", value:"true");
  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:f5:big-ip_access_policy_manager");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:f5:big-ip_application_security_manager");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:f5:big-ip_application_visibility_and_reporting");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:f5:big-ip_global_traffic_manager");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:f5:big-ip_link_controller");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:f5:big-ip_local_traffic_manager");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:f5:big-ip_wan_optimization_manager");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:f5:big-ip_webaccelerator");
  script_set_attribute(attribute:"cpe", value:"cpe:/h:f5:big-ip");
  script_set_attribute(attribute:"cpe", value:"cpe:/h:f5:big-ip_protocol_security_manager");

  script_set_attribute(attribute:"patch_publication_date", value:"2015/07/23");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_set_attribute(attribute:"plugin_publication_date", value:"2015/07/24");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2015-2019 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"F5 Networks Local Security Checks");

  script_dependencies("f5_bigip_detect.nbin");
  script_require_keys("Host/local_checks_enabled", "Host/BIG-IP/hotfix", "Host/BIG-IP/modules", "Host/BIG-IP/version", "Settings/ParanoidReport");

  exit(0);
}


include("f5_func.inc");

if ( ! get_kb_item("Host/local_checks_enabled") ) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
version = get_kb_item("Host/BIG-IP/version");
if ( ! version ) audit(AUDIT_OS_NOT, "F5 Networks BIG-IP");
if ( isnull(get_kb_item("Host/BIG-IP/hotfix")) ) audit(AUDIT_KB_MISSING, "Host/BIG-IP/hotfix");
if ( ! get_kb_item("Host/BIG-IP/modules") ) audit(AUDIT_KB_MISSING, "Host/BIG-IP/modules");

sol = "SOL16907";
vmatrix = make_array();

if (report_paranoia < 2) audit(AUDIT_PARANOID);

# APM
vmatrix["APM"] = make_array();
vmatrix["APM"]["affected"  ] = make_list("11.0.0-11.1.0","10.1.0-10.2.4");
vmatrix["APM"]["unaffected"] = make_list("11.2.0-11.6.0","10.2.4HF12");

# ASM
vmatrix["ASM"] = make_array();
vmatrix["ASM"]["affected"  ] = make_list("11.0.0-11.1.0","10.1.0-10.2.4");
vmatrix["ASM"]["unaffected"] = make_list("11.2.0-11.6.0","10.2.4HF12");

# AVR
vmatrix["AVR"] = make_array();
vmatrix["AVR"]["affected"  ] = make_list("11.0.0-11.1.0");
vmatrix["AVR"]["unaffected"] = make_list("11.2.0-11.6.0");

# GTM
vmatrix["GTM"] = make_array();
vmatrix["GTM"]["affected"  ] = make_list("11.0.0-11.1.0","10.1.0-10.2.4");
vmatrix["GTM"]["unaffected"] = make_list("11.2.0-11.6.0","10.2.4HF12");

# LC
vmatrix["LC"] = make_array();
vmatrix["LC"]["affected"  ] = make_list("11.0.0-11.1.0","10.1.0-10.2.4");
vmatrix["LC"]["unaffected"] = make_list("11.2.0-11.6.0","10.2.4HF12");

# LTM
vmatrix["LTM"] = make_array();
vmatrix["LTM"]["affected"  ] = make_list("11.0.0-11.1.0","10.1.0-10.2.4");
vmatrix["LTM"]["unaffected"] = make_list("11.2.0-11.6.0","10.2.4HF12");

# PSM
vmatrix["PSM"] = make_array();
vmatrix["PSM"]["affected"  ] = make_list("11.0.0-11.1.0","10.1.0-10.2.4");
vmatrix["PSM"]["unaffected"] = make_list("11.2.0-11.4.1","10.2.4HF12");

# WAM
vmatrix["WAM"] = make_array();
vmatrix["WAM"]["affected"  ] = make_list("11.0.0-11.1.0","10.1.0-10.2.4");
vmatrix["WAM"]["unaffected"] = make_list("11.2.0-11.3.0","10.2.4HF12");

# WOM
vmatrix["WOM"] = make_array();
vmatrix["WOM"]["affected"  ] = make_list("11.0.0-11.1.0","10.1.0-10.2.4");
vmatrix["WOM"]["unaffected"] = make_list("11.2.0-11.3.0","10.2.4HF12");


if (bigip_is_affected(vmatrix:vmatrix, sol:sol))
{
  if (report_verbosity > 0) security_warning(port:0, extra:bigip_report_get());
  else security_warning(0);
  exit(0);
}
else
{
  tested = bigip_get_tested_modules();
  audit_extra = "For BIG-IP module(s) " + tested + ",";
  if (tested) audit(AUDIT_INST_VER_NOT_VULN, audit_extra, version);
  else audit(AUDIT_HOST_NOT, "running any of the affected modules");
}
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Initial Source


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