SB2023041341 - Local denial of service in Junos OS and Junos OS Evolved rpd
Published: April 13, 2023
Security Bulletin ID
SB2023041341
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Use-after-free (CVE-ID: CVE-2023-28980)
CWE-ID: CWE-416 - Use After Free
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a use-after-free error in the routing protocol daemon when BGP rib sharding is used. A local user can run a specially crafted command to trigger a use-after-free error and crash the daemon.
Remediation
Install update from vendor's website.