SB2021041602 - Denial of service when handling TCPv6 packets in Juniper Junos OS
Published: April 16, 2021
Security Bulletin ID
SB2021041602
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Resource management error (CVE-ID: CVE-2021-0258)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper management of internal resources during the forwarding of transit TCPv6 packets received on the Ethernet management interface. A remote attacker can send specially crafted TCPv6 traffic to the system and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.