Detections
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Juniper Stateless IP Firewall Bypass Vulnerability (JSA10983)

medium Nessus Plugin ID 133725

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Synopsis

The remote device is missing a vendor-supplied security patch.

Description

According to its self reported version, Junos OS is affected by a vulnerability in its IP firewall filter component. A remote, unauthenticated attacker could exploit this, by sending specially crafted IPv4 or IPV6 packets to an affected host, to bypass firewall restrictions which have been put in place by an administrator.

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

Solution

Apply the relevant Junos software release referenced in Juniper advisory JSA10983

See Also

https://kb.juniper.net/JSA10983

Plugin Details

Severity: Medium

ID: 133725

File Name: juniper_jsa10983.nasl

Version: 1.6

Type: combined

Published: 2/17/2020

Updated: 10/23/2020

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 1.4

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N

CVSS Score Source: CVE-2020-1604

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.6

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:juniper:junos

Required KB Items: Host/Juniper/model, Host/Juniper/JUNOS/Version

Exploit Ease: No known exploits are available

Patch Publication Date: 1/8/2020

Vulnerability Publication Date: 1/8/2020

Reference Information

CVE: CVE-2020-1604

IAVA: 2020-A-0012-S

JSA: JSA10983