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CVE-2023-36850

Junos OS: MX Series: An MPC will crash upon receipt of a malformed CFM packet. PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / productVersions
Juniper Networks / Junos OSaffected unspecified before 19.1R3-S10; affected 19.2 before 19.2R3-S7; affected 19.3 before 19.3R3-S8; affected 19.4 before 19.4R3-S12; affected 20.1 before 20.1*; affected 20.2 before 20.2R3-S7; affected 20.3 before 20.3*; affected 20.4 before 20.4R3-S7; affected 21.2 before 21.1R3-S5; affected 21.2 before 21.2R3-S4; affected 21.3 before 21.3R3-S4; affected 21.4 before 21.4R3-S3; affected 22.1 before 22.1R3-S2; affected 22.2 before 22.2R3; affected 22.3 before 22.3R2; affected 22.4 before 22.4R2

CWE

CWE-1285

References

ADP enrichment

CVE

No English description supplied.

CISA-ADP

No English description supplied.

No references supplied.