CVE-2023-47234: High severity Frrouting FRRouting vulnerability
An issue was discovered in FRRouting FRR through 9.0.1. A crash can occur when processing a crafted BGP UPDATE message with a MPUNREACHNLRI attribute and additional NLRI data (that lacks mandatory path attributes).
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
redhat/frrto a version that resolves this vulnerability.Fixed in 9.0.1 - Upgrade
Upgrade
debian/frrto a version that resolves this vulnerability.Fixed in 7.5.1-1.1+deb11u4Fixed in 10.2.1-2
Event History
Frequently Asked Questions
What is the vulnerability ID for this issue?
The vulnerability ID for this issue is CVE-2023-47234.
What is the severity of CVE-2023-47234?
The severity of CVE-2023-47234 is high (7.5).
What is the affected software version for CVE-2023-47234?
The affected software version for CVE-2023-47234 is FRRouting FRR up to and including version 9.0.1.
What is the impact of this vulnerability?
The vulnerability can cause a crash when processing a crafted BGP UPDATE message with a specific attribute and additional data.
How can I fix the vulnerability CVE-2023-47234?
To fix CVE-2023-47234, you should update FRRouting to a version that is not affected by this vulnerability.