Untrusted pointer dereference in Juniper Junos OS - CVE-2019-0006
Published: January 18, 2019
Vulnerability identifier: #VU17084
CSH Severity: High
CVSS v4.0: 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
Vendor: Juniper Networks, Inc.
Affected software:
Juniper Junos OS
Juniper Junos OS
Detailed vulnerability 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.
How to mitigate CVE-2019-0006
The vulnerability has been addressed in the versions 14.1X53-D47, 15.1R7-S3, 16.1R1.