#VU17084 Untrusted pointer dereference in Juniper Junos OS - CVE-2019-0006
Published: January 18, 2019
Vulnerability identifier: #VU17084
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2019-0006
CWE-ID: CWE-822
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Juniper Junos OS
Juniper Junos OS
Software vendor:
Juniper Networks, Inc.
Juniper Networks, Inc.
Description
The vulnerability allows a remote attacker to cause DoS condition or execute arbitrary code.
The weakness exists due to an uninitialized function pointer dereference in the Packet Forwarding Engine manager (fxpc) on all EX, QFX and MX Series devices in a Virtual Chassis configuration. A remote attacker can send specially crafted HTTP packets to cause the fxpc daemon crash or execute arbitrary code with elevated privileges.
Successful exploitation of the vulnerability may result in system compromise.
The weakness exists due to an uninitialized function pointer dereference in the Packet Forwarding Engine manager (fxpc) on all EX, QFX and MX Series devices in a Virtual Chassis configuration. A remote attacker can send specially crafted HTTP packets to cause the fxpc daemon crash or execute arbitrary code with elevated privileges.
Successful exploitation of the vulnerability may result in system compromise.
Remediation
The vulnerability has been addressed in the versions 14.1X53-D47, 15.1R7-S3, 16.1R1.