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nessusThis script is Copyright (C) 2017-2019 and is owned by Tenable, Inc. or an Affiliate thereof.F5_BIGIP_SOL93532943.NASL
HistoryJul 21, 2017 - 12:00 a.m.

F5 Networks BIG-IP : SSHD session.c vulnerability (K93532943)

2017-07-2100:00:00
This script is Copyright (C) 2017-2019 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
22

Multiple CRLF injection vulnerabilities in session.c in sshd in OpenSSH before 7.2p2 allow remote authenticated users to bypass intended shell-command restrictions via crafted X11 forwarding data, related to the (1) do_authenticated1 and (2) session_x11_req functions. (CVE-2016-3115)

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from F5 Networks BIG-IP Solution K93532943.
#
# The text description of this plugin is (C) F5 Networks.
#

include("compat.inc");

if (description)
{
  script_id(101859);
  script_version("3.5");
  script_cvs_date("Date: 2019/01/04 10:03:40");

  script_cve_id("CVE-2016-3115");

  script_name(english:"F5 Networks BIG-IP : SSHD session.c vulnerability (K93532943)");
  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:
"Multiple CRLF injection vulnerabilities in session.c in sshd in
OpenSSH before 7.2p2 allow remote authenticated users to bypass
intended shell-command restrictions via crafted X11 forwarding data,
related to the (1) do_authenticated1 and (2) session_x11_req
functions. (CVE-2016-3115)"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://support.f5.com/csp/article/K93532943"
  );
  script_set_attribute(
    attribute:"solution", 
    value:
"Upgrade to one of the non-vulnerable versions listed in the F5
Solution K93532943."
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:N");
  script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/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_advanced_firewall_manager");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:f5:big-ip_application_acceleration_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_policy_enforcement_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:"2016/04/27");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_set_attribute(attribute:"plugin_publication_date", value:"2017/07/21");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2017-2019 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 = "K93532943";
vmatrix = make_array();

if (report_paranoia < 2) audit(AUDIT_PARANOID);

# AFM
vmatrix["AFM"] = make_array();
vmatrix["AFM"]["affected"  ] = make_list("12.0.0-12.1.2","11.4.0-11.6.3");
vmatrix["AFM"]["unaffected"] = make_list("14.0.0","13.0.0","12.1.3");

# AM
vmatrix["AM"] = make_array();
vmatrix["AM"]["affected"  ] = make_list("12.0.0-12.1.2","11.4.0-11.6.3");
vmatrix["AM"]["unaffected"] = make_list("14.0.0","13.0.0","12.1.3");

# APM
vmatrix["APM"] = make_array();
vmatrix["APM"]["affected"  ] = make_list("12.0.0-12.1.2","11.4.0-11.6.3","11.2.1","10.2.1-10.2.4");
vmatrix["APM"]["unaffected"] = make_list("14.0.0","13.0.0","12.1.3");

# ASM
vmatrix["ASM"] = make_array();
vmatrix["ASM"]["affected"  ] = make_list("12.0.0-12.1.2","11.4.0-11.6.3","11.2.1","10.2.1-10.2.4");
vmatrix["ASM"]["unaffected"] = make_list("14.0.0","13.0.0","12.1.3");

# AVR
vmatrix["AVR"] = make_array();
vmatrix["AVR"]["affected"  ] = make_list("12.0.0-12.1.2","11.4.0-11.6.3");
vmatrix["AVR"]["unaffected"] = make_list("14.0.0","13.0.0","12.1.3");

# LC
vmatrix["LC"] = make_array();
vmatrix["LC"]["affected"  ] = make_list("12.0.0-12.1.2","11.4.0-11.6.3","11.2.1","10.2.1-10.2.4");
vmatrix["LC"]["unaffected"] = make_list("14.0.0","13.0.0","12.1.3");

# LTM
vmatrix["LTM"] = make_array();
vmatrix["LTM"]["affected"  ] = make_list("12.0.0-12.1.2","11.4.0-11.6.3","11.2.1","10.2.1-10.2.4");
vmatrix["LTM"]["unaffected"] = make_list("14.0.0","13.0.0","12.1.3");

# PEM
vmatrix["PEM"] = make_array();
vmatrix["PEM"]["affected"  ] = make_list("12.0.0-12.1.2","11.4.0-11.6.3");
vmatrix["PEM"]["unaffected"] = make_list("14.0.0","13.0.0","12.1.3");


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");
}
VendorProductVersionCPE
f5big-ip_access_policy_managercpe:/a:f5:big-ip_access_policy_manager
f5big-ip_advanced_firewall_managercpe:/a:f5:big-ip_advanced_firewall_manager
f5big-ip_application_acceleration_managercpe:/a:f5:big-ip_application_acceleration_manager
f5big-ip_application_security_managercpe:/a:f5:big-ip_application_security_manager
f5big-ip_application_visibility_and_reportingcpe:/a:f5:big-ip_application_visibility_and_reporting
f5big-ip_global_traffic_managercpe:/a:f5:big-ip_global_traffic_manager
f5big-ip_link_controllercpe:/a:f5:big-ip_link_controller
f5big-ip_local_traffic_managercpe:/a:f5:big-ip_local_traffic_manager
f5big-ip_policy_enforcement_managercpe:/a:f5:big-ip_policy_enforcement_manager
f5big-ip_wan_optimization_managercpe:/a:f5:big-ip_wan_optimization_manager
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