SB2023041357 - Denial of service in Junos OS QFX10002 PFE
Published: April 13, 2023
Security Bulletin ID
SB2023041357
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-2023-28959)
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 when processing network packets. A remote attacker on the local broadcast domain can send a malformed packet to the device, causing all PFEs other than the inbound PFE to wedge and to eventually restart.
Remediation
Install update from vendor's website.