CVE-2019-0011

Summary

The Junos OS kernel crashes after processing a specific incoming packet to the out of band management interface (such as fxp0, me0, em0, vme0) destined for another address. By continuously sending this type of packet, an attacker can repeatedly crash the kernel causing a sustained Denial of Service. Affected releases are Juniper Networks Junos OS: 17.2 versions prior to 17.2R1-S7, 17.2R3; 17.3 versions prior to 17.3R3-S3; 17.4 versions prior to 17.4R1-S4, 17.4R2; 17.2X75 versions prior to 17.2X75-D110; 18.1 versions prior to 18.1R2.

Affected Software

Weaknesses

• DoS

Workarounds

Apply a firewall filter on the management interface which permits only the necessary traffic on management interface to the device's local address, such as SNMP, SSH, or other management traffic and drops everything else.

ADP Enrichment

CVE Program Container

Additional References

• https://kb.juniper.net/JSA10911
• http://www.securityfocus.com/bid/106534

References

• https://kb.juniper.net/JSA10911
• http://www.securityfocus.com/bid/106534

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