SB2019071119 - Resource management error in Juniper Junos OS



SB2019071119 - Resource management error in Juniper Junos OS

Published: July 11, 2019

Security Bulletin ID SB2019071119
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Resource management error (CVE-ID: CVE-2019-0049)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a certain sequence of BGP session restart on a remote peer may cause the local routing protocol daemon (RPD) process to crash and restart. A remote attacker can repeatedly crash the RPD process and cause prolonged denial of service attack.

This vulnerability affects only devices with enabled the BGP graceful restart helper mode or the BGP graceful restart mechanism.

Remediation

Install update from vendor's website.