USN-6136-1: FRR vulnerabilities

Published Jun 5, 2023
·
Updated

It was discovered that FRR incorrectly handled parsing certain BGP messages. A remote attacker could possibly use this issue to cause FRR to crash, resulting in a denial of service. This issue only affected Ubuntu 23.04. (CVE-2023-31489) It was discovered that FRR incorrectly handled parsing certain BGP messages. A remote attacker could possibly use this issue to cause FRR to crash, resulting in a denial of service. (CVE-2023-31490)

Affected Software

6 affected componentsFixes available
All of the following
ubuntu/frr<8.4.2-1ubuntu1.1
8.4.2-1ubuntu1.1
Ubuntu Ubuntu=23.04
All of the following
ubuntu/frr<8.1-1ubuntu3.2
8.1-1ubuntu3.2
Ubuntu Ubuntu=22.10
All of the following
ubuntu/frr<8.1-1ubuntu1.4
8.1-1ubuntu1.4
Ubuntu Ubuntu=22.04

Event History

Jun 5, 2023
Advisory Published
via Ubuntu·12:00 AM

Child vulnerabilities

Contains the following vulnerabilities.

Frequently Asked Questions

1

What is the vulnerability in USN-6136-1?

FRR incorrectly handles parsing certain BGP messages, leading to a denial of service.

2

Which version of Ubuntu is affected by USN-6136-1?

Ubuntu 23.04 is affected by this vulnerability.

3

How can the FRR vulnerability be exploited?

A remote attacker can exploit this vulnerability by sending specially crafted BGP messages to FRR.

4

What is the remedy for USN-6136-1?

The remedy for this vulnerability is to upgrade to FRR version 8.4.2-1ubuntu1.1.

5

Where can I find more information about USN-6136-1?

You can find more information about this vulnerability on the Ubuntu security advisory page: [link](https://ubuntu.com/security/notices/USN-6323-1)

Contact

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