PT-2023-6639 · Juniper Networks · Junos Evolved+1
Published
2023-07-12
·
Updated
2023-07-27
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CVE-2023-36836
CVSS v3.1
4.7
Medium
| Vector | AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H |
Name of the Vulnerable Software and Affected Versions
Juniper Networks Junos OS versions 19.4R3-S5 through 19.4R3-S9
Juniper Networks Junos OS versions 20.1R2 and later
Juniper Networks Junos OS versions prior to 20.2R3-S7
Juniper Networks Junos OS versions prior to 20.3R3-S5
Juniper Networks Junos OS versions prior to 20.4R3-S6
Juniper Networks Junos OS versions prior to 21.1R3-S4
Juniper Networks Junos OS versions prior to 21.2R3-S2
Juniper Networks Junos OS versions prior to 21.3R3-S1
Juniper Networks Junos OS versions prior to 21.4R3
Juniper Networks Junos OS versions prior to 22.1R1-S2, 22.1R2
Juniper Networks Junos OS versions prior to 22.2R2
Juniper Networks Junos OS Evolved versions prior to 20.4R3-S6-EVO
Juniper Networks Junos OS Evolved version 21.1R1-EVO and later
Juniper Networks Junos OS Evolved version 21.2R1-EVO and later
Juniper Networks Junos OS Evolved versions prior to 21.3R3-S1-EVO
Juniper Networks Junos OS Evolved versions prior to 21.4R3-EVO
Juniper Networks Junos OS Evolved versions prior to 22.1R1-S2-EVO, 22.1R2-EVO
Juniper Networks Junos OS Evolved versions prior to 22.2R2-EVO
Description
A Use of an Uninitialized Resource vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows a local, authenticated attacker with low privileges to cause a Denial of Service (DoS). In a Multicast only Fast Reroute (MoFRR) scenario, the rpd process can crash when a specific low privileged CLI command is executed. The rpd crash will impact all routing protocols until the process has automatically been restarted. Continued execution of this command will lead to a sustained DoS. This issue is considered difficult to exploit as the operational state which makes it exploitable is outside the attacker's control.
Recommendations
For Juniper Networks Junos OS versions 19.4R3-S5 through 19.4R3-S9, update to version 19.4R3-S9 or later.
For Juniper Networks Junos OS versions 20.1R2 and later, update to version 20.2R3-S7 or later.
For Juniper Networks Junos OS versions prior to 20.2R3-S7, update to version 20.2R3-S7 or later.
For Juniper Networks Junos OS versions prior to 20.3R3-S5, update to version 20.3R3-S5 or later.
For Juniper Networks Junos OS versions prior to 20.4R3-S6, update to version 20.4R3-S6 or later.
For Juniper Networks Junos OS versions prior to 21.1R3-S4, update to version 21.1R3-S4 or later.
For Juniper Networks Junos OS versions prior to 21.2R3-S2, update to version 21.2R3-S2 or later.
For Juniper Networks Junos OS versions prior to 21.3R3-S1, update to version 21.3R3-S1 or later.
For Juniper Networks Junos OS versions prior to 21.4R3, update to version 21.4R3 or later.
For Juniper Networks Junos OS versions prior to 22.1R1-S2, 22.1R2, update to version 22.1R1-S2 or later.
For Juniper Networks Junos OS versions prior to 22.2R2, update to version 22.2R2 or later.
For Juniper Networks Junos OS Evolved versions prior to 20.4R3-S6-EVO, update to version 20.4R3-S6-EVO or later.
For Juniper Networks Junos OS Evolved version 21.1R1-EVO and later, update to version 21.3R3-S1-EVO or later.
For Juniper Networks Junos OS Evolved version 21.2R1-EVO and later, update to version 21.3R3-S1-EVO or later.
For Juniper Networks Junos OS Evolved versions prior to 21.3R3-S1-EVO, update to version 21.3R3-S1-EVO or later.
For Juniper Networks Junos OS Evolved versions prior to 21.4R3-EVO, update to version 21.4R3-EVO or later.
For Juniper Networks Junos OS Evolved versions prior to 22.1R1-S2-EVO, 22.1R2-EVO, update to version 22.1R1-S2-EVO or later.
For Juniper Networks Junos OS Evolved versions prior to 22.2R2-EVO, update to version 22.2R2-EVO or later.
Fix
DoS
Use of Uninitialized Resource
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Weakness Enumeration
Related Identifiers
Affected Products
Junos
Junos Evolved