Denial of service in Juniper Junos OS - CVE-2017-2314

 

Denial of service in Juniper Junos OS - CVE-2017-2314

Published: July 14, 2017


Vulnerability identifier: #VU7538
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2017-2314
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Juniper Networks, Inc.
Affected software:
Juniper Junos OS

Detailed vulnerability description

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists due to improper input validation. A remote attacker can send a specially crafted BGP OPEN message to cause the target routing protocol daemon (rpd) process to crash and restart.

Successful exploitation of the vulnerability results in denial of service.

How to mitigate CVE-2017-2314

The vulnerability is addressed in the following versions:
12.3R12-S4, 12.3R13, 12.3R3-S4, 12.3X48-D50, 13.3R10, 13.3R4-S11, 14.1R8-S3, 14.1R9, 14.1X53-D40, 14.1X55-D35, 14.2R4-S7, 14.2R6-S4, 14.2R7, 15.1F2-S11, 15.1F4-S1-J1, 15.1F5-S3, 15.1F6, 15.1R4, 15.1X49-D100, 15.1X53-D33, 15.1X53-D50, 16.1R1, 16.2R1.

Sources