Junos OS: MX Series: An MPC will crash upon receipt of a malformed CFM packet.
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
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| Juniper Networks | Junos OS | unaffected |
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Configuration 1 [-]
| AND |
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No data.
No data available yet.
Vendor Solution
The following software releases have been updated to resolve this specific issue: Junos OS 19.1R3-S10, 19.2R3-S7, 19.4R3-S12, 20.2R3-S7, 20.4R3-S7, 21.1R3-S5, 21.2R3-S4, 21.3R3-S4, 21.4R3-S3, 22.1R3-S2, 22.2R3, 22.3R2, 22.3R3, 22.4R2, 23.1R1, and all subsequent releases.
Vendor Workaround
There are no known workarounds for this issue.
| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2023-40770 | An Improper Validation of Specified Index, Position, or Offset in Input vulnerability in the Connectivity Fault Management(CFM) module of Juniper Networks Junos OS on MX Series(except MPC10, MPC11 and LC9600) allows an adjacent attacker on the local broadcast domain to cause a Denial of Service(DoS). Upon receiving a malformed CFM packet, the MPC crashes. Continued receipt of these packets causes a sustained denial of service. This issue can only be triggered when CFM hasn't been configured. This issue affects: Juniper Networks Junos OS All versions prior to 19.1R3-S10 on MX Series; 19.2 versions prior to 19.2R3-S7 on MX Series; 19.3 versions prior to 19.3R3-S8 on MX Series; 19.4 versions prior to 19.4R3-S12 on MX Series; 20.1 version 20.1R1 and later versions on MX Series; 20.2 versions prior to 20.2R3-S7 on MX Series; 20.3 version 20.3R1 and later versions on MX Series; 20.4 versions prior to 20.4R3-S7 on MX Series; 21.1 versions prior to 21.1R3-S5 on MX Series; 21.2 versions prior to 21.2R3-S4 on MX Series; 21.3 versions prior to 21.3R3-S4 on MX Series; 21.4 versions prior to 21.4R3-S3 on MX Series; 22.1 versions prior to 22.1R3-S2 on MX Series; 22.2 versions prior to 22.2R3 on MX Series; 22.3 versions prior to 22.3R2, 22.3R3 on MX Series; 22.4 versions prior to 22.4R2 on MX Series. |
No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.303% probability within 30 days)
| Link | Providers |
|---|---|
| https://supportportal.juniper.net/JSA71661 |
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