SB2024092623 - Denial of service in Cisco Catalyst 9000 Series Switches
Published: September 26, 2024
Security Bulletin ID
SB2024092623
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Partial DoS
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Integer overflow (CVE-ID: CVE-2024-20434)
CWE-ID: CWE-190 - Integer overflow
CVSSv4: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper handling of frames with VLAN tag information. A remote attacker on the local network can pass specially crafted data to the application, trigger integer overflow and cause a denial of service condition on the target system.
Remediation
Install update from vendor's website.