- Vulnerability/
- USN-6436-1
USN-6436-1: FRR vulnerabilities
First published: Wed Oct 18 2023(Updated: )
It was discovered that the FRR did not properly check the attribute length in NRLI. A remote attacker could possibly use this issue to cause a denial of service. (CVE-2023-41358) It was discovered that the FRR did not properly manage memory when reading initial bytes of ORF header. A remote attacker could possibly use this issue to cause a denial of service. (CVE-2023-41360) It was discovered that FRR did not properly validate the attributes in the BGP FlowSpec functionality. A remote attacker could possibly use this issue to cause a denial of service. (CVE-2023-41909)
| Affected Software | Affected Version | How to fix |
|---|---|---|
| All of | ||
| ubuntu/frr | <8.4.2-1ubuntu1.4 | 8.4.2-1ubuntu1.4 |
| =23.04 | ||
| All of | ||
| ubuntu/frr | <8.1-1ubuntu1.6 | 8.1-1ubuntu1.6 |
| =22.04 | ||
| All of | ||
| ubuntu/frr | <7.2.1-1ubuntu0.2+esm1 | 7.2.1-1ubuntu0.2+esm1 |
| =20.04 |
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Reference Links
- https://ubuntu.com/security/CVE-2023-41360
- https://ubuntu.com/security/CVE-2023-41909
- https://ubuntu.com/security/CVE-2023-41358
- https://ubuntu.com/security/notices/USN-6432-1
- https://launchpad.net/ubuntu/+source/frr/8.4.2-1ubuntu1.4
- https://launchpad.net/ubuntu/+source/frr/8.1-1ubuntu1.6
- https://ubuntu.com/security/notices/USN-6436-1 (Advisory)
Child vulnerabilities
(Contains the following vulnerabilities)
Frequently Asked Questions
What is the vulnerability ID for USN-6436-1?
The vulnerability ID for USN-6436-1 is CVE-2023-41358.
What is the severity of CVE-2023-41358?
The severity of CVE-2023-41358 is not mentioned in the provided information. Please refer to the official security advisory for more details.
How can a remote attacker exploit CVE-2023-41358?
A remote attacker can exploit CVE-2023-41358 by using the FRR's improper attribute length check in NRLI to cause a denial of service.
What software is affected by USN-6436-1?
The FRR package versions 8.4.2-1ubuntu1.4, 8.1-1ubuntu1.6, and 7.2.1-1ubuntu0.2+esm1 are affected by USN-6436-1.
How can I remediate the FRR vulnerabilities?
To remediate the FRR vulnerabilities, update your FRR package to the recommended versions provided by the vendor.
- agent/description
- agent/event
- agent/first-publish-date
- agent/last-modified-date
- agent/references
- agent/severity
- agent/softwarecombine
- agent/tags
- agent/title
- agent/type
- collector/usn
- source/Ubuntu
- anchor-related/USN-6432-1
- agent/software-canonical-lookup
- package-manager/ubuntu
- vendor/ubuntu
- canonical/ubuntu ubuntu
- version/ubuntu ubuntu/23.04
- version/ubuntu ubuntu/22.04
- version/ubuntu ubuntu/20.04