PT-2023-6306 · Juniper Networks · Junos Evolved+1

Published 2023-10-11 · Updated 2023-10-19 · CVE-2023-44177

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Junos OS versions prior to 19.1R3-S10 Junos OS versions 19.2 prior to 19.2R3-S7 Junos OS versions 19.3 prior to 19.3R3-S8 Junos OS versions 19.4 prior to 19.4R3-S12 Junos OS versions 20.2 prior to 20.2R3-S8 Junos OS versions 20.4 prior to 20.4R3-S8 Junos OS versions 21.2 prior to 21.2R3-S6 Junos OS versions 21.3 prior to 21.3R3-S5 Junos OS versions 21.4 prior to 21.4R3-S4 Junos OS versions 22.1 prior to 22.1R3-S3 Junos OS versions 22.2 prior to 22.2R3-S1 Junos OS versions 22.3 prior to 22.3R3 Junos OS versions 22.4 prior to 22.4R2 Junos OS Evolved versions prior to 20.4R3-S8-EVO Junos OS Evolved versions 21.2 prior to 21.2R3-S6-EVO Junos OS Evolved versions 21.3 prior to 21.3R3-S5-EVO Junos OS Evolved versions 21.4 prior to 21.4R3-S4-EVO Junos OS Evolved versions 22.1 prior to 22.1R3-S3-EVO Junos OS Evolved versions 22.2 prior to 22.2R3-S1-EVO Junos OS Evolved versions 22.3 prior to 22.3R3-EVO Junos OS Evolved versions 22.4 prior to 22.4R2-EVO

Description The issue is related to a stack-based buffer overflow vulnerability in the CLI command of Juniper Networks Junos and Junos EVO. This vulnerability allows a low-privileged attacker to execute specific CLI commands, leading to a denial of service. Repeated actions by the attacker can create a sustained denial of service condition.

Recommendations For Junos OS versions prior to 19.1R3-S10, update to version 19.1R3-S10 or later. For Junos OS versions 19.2 prior to 19.2R3-S7, update to version 19.2R3-S7 or later. For Junos OS versions 19.3 prior to 19.3R3-S8, update to version 19.3R3-S8 or later. For Junos OS versions 19.4 prior to 19.4R3-S12, update to version 19.4R3-S12 or later. For Junos OS versions 20.2 prior to 20.2R3-S8, update to version 20.2R3-S8 or later. For Junos OS versions 20.4 prior to 20.4R3-S8, update to version 20.4R3-S8 or later. For Junos OS versions 21.2 prior to 21.2R3-S6, update to version 21.2R3-S6 or later. For Junos OS versions 21.3 prior to 21.3R3-S5, update to version 21.3R3-S5 or later. For Junos OS versions 21.4 prior to 21.4R3-S4, update to version 21.4R3-S4 or later. For Junos OS versions 22.1 prior to 22.1R3-S3, update to version 22.1R3-S3 or later. For Junos OS versions 22.2 prior to 22.2R3-S1, update to version 22.2R3-S1 or later. For Junos OS versions 22.3 prior to 22.3R3, update to version 22.3R3 or later. For Junos OS versions 22.4 prior to 22.4R2, update to version 22.4R2 or later. For Junos OS Evolved versions prior to 20.4R3-S8-EVO, update to version 20.4R3-S8-EVO or later. For Junos OS Evolved versions 21.2 prior to 21.2R3-S6-EVO, update to version 21.2R3-S6-EVO or later. For Junos OS Evolved versions 21.3 prior to 21.3R3-S5-EVO, update to version 21.3R3-S5-EVO or later. For Junos OS Evolved versions 21.4 prior to 21.4R3-S4-EVO, update to version 21.4R3-S4-EVO or later. For Junos OS Evolved versions 22.1 prior to 22.1R3-S3-EVO, update to version 22.1R3-S3-EVO or later. For Junos OS Evolved versions 22.2 prior to 22.2R3-S1-EVO, update to version 22.2R3-S1-EVO or later. For Junos OS Evolved versions 22.3 prior to 22.3R3-EVO, update to version 22.3R3-EVO or later. For Junos OS Evolved versions 22.4 prior to 22.4R2-EVO, update to version 22.4R2-EVO or later.

Fix

DoS

Stack Overflow

Memory Corruption

Weakness Enumeration

CWE-121

CWE-787

Related Identifiers

BDU:2023-07017

CVE-2023-44177

Affected Products

Junos

Junos Evolved

References · 5

• https://supportportal.juniper.net/JSA73140 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-44177 · Security Note
• https://bdu.fstec.ru/vul/2023-07017 · Security Note
• https://osv.dev/vulnerability/CVE-2023-44177 · Vendor Advisory
• https://twitter.com/CVEnew/status/1712607964635271489 · Twitter Post