SB2020030513 - Denial of service in Cisco IOS XR Software
Published: March 5, 2020 Updated: March 5, 2020
Security Bulletin ID
SB2020030513
Severity
Medium
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 security vulnerability.
1) Resource exhaustion (CVE-ID: CVE-2020-3190)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper handling of packets by the IPsec packet processor. A remote attacker can send malicious ICMP error messages to an affected device that get punted to the IPsec packet processor, trigger resource exhaustion and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.