#VU87886 Heap-based buffer overflow in Cisco Systems, Inc products - CVE-2024-20259
Published: March 28, 2024
Vulnerability identifier: #VU87886
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2024-20259
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Cisco IOS XE
Catalyst 9000 Series Switches
DNA Traffic Telemetry Appliance
Cisco IOS XE
Catalyst 9000 Series Switches
DNA Traffic Telemetry Appliance
Software vendor:
Cisco Systems, Inc
Cisco Systems, Inc
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error in the DHCP snooping feature. A remote attacker can pass specially crafted data to the application, trigger a heap-based buffer overflow and cause a denial of service condition on the target system.
Remediation
Install update from vendor's website.