SB2024092643 - Denial of service in Cisco IOS and IOS XE Software
Published: September 26, 2024
Security Bulletin ID
SB2024092643
CSH Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Stack-based buffer overflow (CVE-ID: CVE-2024-20433)
CWE-ID: CWE-121 - Stack-based buffer overflow
CVSSv4: 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
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error in the Resource Reservation Protocol (RSVP) feature. A remote unauthenticated attacker can trigger stack-based buffer overflow and cause a denial of service condition on the target system.
Remediation
Install update from vendor's website.