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CVE-2020-1670

Junos OS: EX4300 Series: High CPU load due to receipt of specific IPv4 packets PUBLISHED

Description (CNA)

On Juniper Networks EX4300 Series, receipt of a stream of specific IPv4 packets can cause Routing Engine (RE) high CPU load, which could lead to network protocol operation issue and traffic interruption. This specific packets can originate only from within the broadcast domain where the device is connected. This issue occurs when the packets enter to the IRB interface. Only IPv4 packets can trigger this issue. IPv6 packets cannot trigger this issue. This issue affects Juniper Networks Junos OS on EX4300 series: 17.3 versions prior to 17.3R3-S9; 17.4 versions prior to 17.4R2-S11, 17.4R3-S2; 18.1 versions prior to 18.1R3-S10; 18.2 versions prior to 18.2R3-S4; 18.3 versions prior to 18.3R2-S4, 18.3R3-S2; 18.4 versions prior to 18.4R2-S4, 18.4R3-S2; 19.1 versions prior to 19.1R2-S2, 19.1R3-S1; 19.2 versions prior to 19.2R1-S5, 19.2R2-S1, 19.2R3; 19.3 versions prior to 19.3R2-S4, 19.3R3; 19.4 versions prior to 19.4R1-S3, 19.4R2; 20.1 versions prior to 20.1R1-S3, 20.1R2.

Affected (CNA)

Vendor / productVersions
Juniper Networks / Junos OSaffected 17.3 before 17.3R3-S9; affected 17.4 before 17.4R2-S11, 17.4R3-S2; affected 18.1 before 18.1R3-S10; affected 18.2 before 18.2R3-S4; affected 18.3 before 18.3R2-S4, 18.3R3-S2; affected 18.4 before 18.4R2-S4, 18.4R3-S2; affected 19.1 before 19.1R2-S2, 19.1R3-S1; affected 19.2 before 19.2R1-S5, 19.2R2-S1, 19.2R3; affected 19.3 before 19.3R2-S4, 19.3R3; affected 19.4 before 19.4R1-S3, 19.4R2; affected 20.1 before 20.1R1-S3, 20.1R2

CWE

CWE-400

References

ADP enrichment

CVE

No English description supplied.