SB2023083110 - Ubuntu update for frr
Published: August 31, 2023
Security Bulletin ID
SB2023083110
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) Input validation error (CVE-ID: CVE-2023-31490)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input within the bgp_attr_psid_sub() function in bgpd. A remote attacker can pass specially crafted input to the server and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.