- Vulnerability/
- USN-6136-1
USN-6136-1: FRR vulnerabilities
First published: Mon Jun 05 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 | Affected Version | How to fix |
|---|---|---|
| All of | ||
| ubuntu/frr | <8.4.2-1ubuntu1.1 | 8.4.2-1ubuntu1.1 |
| =23.04 | ||
| All of | ||
| ubuntu/frr | <8.1-1ubuntu3.2 | 8.1-1ubuntu3.2 |
| =22.10 | ||
| All of | ||
| ubuntu/frr | <8.1-1ubuntu1.4 | 8.1-1ubuntu1.4 |
| =22.04 |
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Reference Links
- https://ubuntu.com/security/CVE-2023-31489
- https://ubuntu.com/security/CVE-2023-31490
- https://ubuntu.com/security/notices/USN-6323-1
- https://ubuntu.com/security/notices/USN-6807-1
- https://launchpad.net/ubuntu/+source/frr/8.4.2-1ubuntu1.1
- https://launchpad.net/ubuntu/+source/frr/8.1-1ubuntu3.2
- https://launchpad.net/ubuntu/+source/frr/8.1-1ubuntu1.4
- https://ubuntu.com/security/notices/USN-6136-1 (Advisory)
Frequently Asked Questions
What is the vulnerability in USN-6136-1?
FRR incorrectly handles parsing certain BGP messages, leading to a denial of service.
Which version of Ubuntu is affected by USN-6136-1?
Ubuntu 23.04 is affected by this vulnerability.
How can the FRR vulnerability be exploited?
A remote attacker can exploit this vulnerability by sending specially crafted BGP messages to FRR.
What is the remedy for USN-6136-1?
The remedy for this vulnerability is to upgrade to FRR version 8.4.2-1ubuntu1.1.
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)
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