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nessusThis script is Copyright (C) 2022-2023 and is owned by Tenable, Inc. or an Affiliate thereof.JUNIPER_JSA69893.NASL
HistoryOct 12, 2022 - 12:00 a.m.

Juniper Junos OS Vulnerability (JSA69893)

2022-10-1200:00:00
This script is Copyright (C) 2022-2023 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
13
juniper networks junos os
vulnerability
jsa69893
cve-2022-22237
authentication
confidentiality
integrity

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

EPSS

0.001

Percentile

31.3%

The version of Junos OS installed on the remote host is affected by a vulnerability as referenced in the JSA69893 advisory.

  • An Improper Authentication vulnerability in the kernel of Juniper Networks Junos OS allows an unauthenticated, network-based attacker to cause an impact on confidentiality or integrity.
    (CVE-2022-22237)

Note that Nessus has not tested for this issue but has instead relied only on the application’s self-reported version number.

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
##

include('compat.inc');

if (description)
{
  script_id(166076);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2023/07/20");

  script_cve_id("CVE-2022-22237");
  script_xref(name:"JSA", value:"JSA69893");

  script_name(english:"Juniper Junos OS Vulnerability (JSA69893)");

  script_set_attribute(attribute:"synopsis", value:
"The remote device is missing a vendor-supplied security patch.");
  script_set_attribute(attribute:"description", value:
"The version of Junos OS installed on the remote host is affected by a vulnerability as referenced in the JSA69893
advisory.

  - An Improper Authentication vulnerability in the kernel of Juniper Networks Junos OS allows an
    unauthenticated, network-based attacker to cause an impact on confidentiality or integrity.
    (CVE-2022-22237)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
  # https://supportportal.juniper.net/s/article/2022-10-Security-Bulletin-Junos-OS-Peers-not-configured-for-TCP-AO-can-establish-a-BGP-or-LDP-session-even-if-authentication-is-configured-locally-CVE-2022-22237
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?6b59720f");
  script_set_attribute(attribute:"solution", value:
"Apply the relevant Junos software release referenced in Juniper advisory JSA69893");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:N");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2022-22237");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");

  script_set_attribute(attribute:"vuln_publication_date", value:"2022/10/12");
  script_set_attribute(attribute:"patch_publication_date", value:"2022/10/12");
  script_set_attribute(attribute:"plugin_publication_date", value:"2022/10/12");

  script_set_attribute(attribute:"plugin_type", value:"combined");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:juniper:junos");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2022-2023 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("junos_version.nasl");
  script_require_keys("Host/Juniper/JUNOS/Version");

  exit(0);
}

include('junos.inc');


var ver = get_kb_item_or_exit('Host/Juniper/JUNOS/Version');

var vuln_ranges = [
  {'min_ver':'21.2', 'fixed_ver':'21.2R3-S1'},
  {'min_ver':'21.3', 'fixed_ver':'21.3R2-S2', 'fixed_display':'21.3R2-S2, 21.3R3'},
  {'min_ver':'21.4', 'fixed_ver':'21.4R2-S1', 'fixed_display':'21.4R2-S1, 21.4R3'},
  {'min_ver':'22.1', 'fixed_ver':'22.1R1-S1', 'fixed_display':'22.1R1-S1, 22.1R2'}
];

var fix = junos_compare_range(target_version:ver, vuln_ranges:vuln_ranges);
if (empty_or_null(fix)) audit(AUDIT_INST_VER_NOT_VULN, 'Junos OS', ver);
var report = get_report(ver:ver, fix:fix);
security_report_v4(severity:SECURITY_WARNING, port:0, extra:report);

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

EPSS

0.001

Percentile

31.3%

Related for JUNIPER_JSA69893.NASL