SB2023041359 - Denial of service in Junos OS JRR200 kernel
Published: April 13, 2023 Updated: November 8, 2023
Security Bulletin ID
SB2023041359
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper Check or Handling of Exceptional Conditions (CVE-ID: CVE-2023-28970)
CWE-ID: CWE-703 - Improper Check or Handling of Exceptional Conditions
CVSSv4: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to an error in packet processing on the network interfaces of Juniper Networks Junos OS on JRR200 route reflector appliances. A remote attacker can send a specific packet to the device to cause a kernel crash.
Remediation
Install update from vendor's website.