Juniper Networks Junos OS Local Security Bypass Vulnerability

# SPDX-FileCopyrightText: 2015 Greenbone AG
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-only

CPE = "cpe:/o:juniper:junos";

if (description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.105994");
  script_cve_id("CVE-2015-3002");
  script_tag(name:"cvss_base", value:"6.9");
  script_tag(name:"cvss_base_vector", value:"AV:L/AC:M/Au:N/C:C/I:C/A:C");
  script_version("2023-07-25T05:05:58+0000");

  script_tag(name:"qod_type", value:"package");

  script_tag(name:"solution_type", value:"VendorFix");

  script_name("Juniper Networks Junos OS Local Security Bypass Vulnerability");

  script_xref(name:"URL", value:"http://kb.juniper.net/JSA10672");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/74019");

  script_tag(name:"summary", value:"Junos OS is prone to a local security bypass which may lead
to complete administrative access.");

  script_tag(name:"impact", value:"An unauthorized attacker with physical access to the device
may be able to reconnect to the console port and gain complete administrative access.");

  script_tag(name:"insight", value:"On SRX Series devices 'log-out-on-disconnect' feature
configured under the [system port console] stanza does not work as expected after a reboot.");

  script_tag(name:"vuldetect", value:"Checks if a vulnerable OS build is present on the target host.");
  script_tag(name:"solution", value:"New builds of Junos OS software are available from Juniper.");
  script_tag(name:"affected", value:"Junos OS 12.1X44, 12.1X46, 12.1X47 and 12.3X48");

  script_tag(name:"last_modification", value:"2023-07-25 05:05:58 +0000 (Tue, 25 Jul 2023)");
  script_tag(name:"creation_date", value:"2015-05-28 10:52:59 +0700 (Thu, 28 May 2015)");
  script_category(ACT_GATHER_INFO);
  script_family("JunOS Local Security Checks");
  script_copyright("Copyright (C) 2015 Greenbone AG");
  script_dependencies("gb_juniper_junos_consolidation.nasl");
  script_mandatory_keys("juniper/junos/detected", "juniper/junos/model");

  exit(0);
}

include("host_details.inc");
include("revisions-lib.inc");

model = get_kb_item("juniper/junos/model");
if (!model || (model !~ '^SRX[0-9]+'))
  exit(99);

if (!version = get_app_version(cpe: CPE, nofork: TRUE))
  exit(0);

if (version =~ "^12") {
  if ((revcomp(a:version, b:"12.1X44-D45") < 0) &&
      (revcomp(a:version, b:"12.1X44") >= 0)) {
    security_message(port:0, data:version);
    exit(0);
  }
  else if ((revcomp(a:version, b:"12.1X46-D30") < 0) &&
           (revcomp(a:version, b:"12.1X46") >= 0)) {
    security_message(port:0, data:version);
    exit(0);
  }
  else if ((revcomp(a:version, b:"12.1X47-D15") < 0) &&
           (revcomp(a:version, b:"12.1X47") >= 0)) {
    security_message(port:0, data:version);
    exit(0);
  }
  else if ((revcomp(a:version, b:"12.3X48-D10") < 0) &&
           (revcomp(a:version, b:"12.3X48") >= 0)) {
    security_message(port:0, data:version);
    exit(0);
  }
}

exit(99);