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Rewterz Threat Advisory – CVE-2019-0008 – Juniper QFX5000 / EX4300 / EX4600 Junos OS FXPC Buffer Overflow Vulnerability

Severity

Medium

Analysis Summary

A certain sequence of valid BGP or IPv6 BFD packets may trigger a stack based buffer overflow in the Junos OS Packet Forwarding Engine manager (FXPC) process on QFX5000 series, EX4300, EX4600 devices. This issue can result in a crash of the fxpc daemon or may potentially lead to remote code execution.

Impact

  • System access
  • Denial of Service

Affected Vendors

Juniper

Affected Products

  • Juniper Junos OS 14.1
  • Juniper Junos OS 15.1

Remediation

Update to version 14.1X53-D51 or 15.1X53-D235.