CVE-2017-2314

Junos: RPD crash due to malformed BGP OPEN message

Description

Receipt of a malformed BGP OPEN message may cause the routing protocol daemon (rpd) process to crash and restart. By continuously sending specially crafted BGP OPEN messages, an attacker can repeatedly crash the rpd process causing prolonged denial of service. No other Juniper Networks products or platforms are affected by this issue. Affected releases are Juniper Networks Junos OS 12.3 prior to 12.3R12-S4, 12.3R13, 12.3R3-S4; 12.3X48 prior to 12.3X48-D50; 13.3 prior to 13.3R4-S11, 13.3R10; 14.1 prior to 14.1R8-S3, 14.1R9; 14.1X53 prior to 14.1X53-D40; 14.1X55 prior to 14.1X55-D35; 14.2 prior to 14.2R4-S7, 14.2R6-S4, 14.2R7; 15.1 prior to 15.1F2-S11, 15.1F4-S1-J1, 15.1F5-S3, 15.1F6, 15.1R4; 15.1X49 prior to 15.1X49-D100; 15.1X53 prior to 15.1X53-D33, 15.1X53-D50.

Remediation

Workaround:

  • While there is no workaround, the risk associated with this issue can be mitigated by limiting BGP sessions only from trusted peers.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.45%
Vendor Advisory juniper.net
Affected: Juniper Networks Junos OS
Published at:
Updated at:

References

Link Tags
https://kb.juniper.net/JSA10779 vendor advisory
http://www.securitytracker.com/id/1038889 third party advisory vdb entry

Frequently Asked Questions

What is the severity of CVE-2017-2314?
CVE-2017-2314 has been scored as a high severity vulnerability.
How to fix CVE-2017-2314?
As a workaround for remediating CVE-2017-2314: While there is no workaround, the risk associated with this issue can be mitigated by limiting BGP sessions only from trusted peers.
Is CVE-2017-2314 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-2314 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-2314?
CVE-2017-2314 affects Juniper Networks Junos OS.
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