CVE-2023-47235: High severity Frrouting FRRouting vulnerability
An issue was discovered in FRRouting FRR through 9.0.1. A crash can occur when a malformed BGP UPDATE message with an EOR is processed, because the presence of EOR does not lead to a treat-as-withdraw outcome.
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 severity of CVE-2023-47235?
The severity of CVE-2023-47235 is high with a severity value of 7.5.
What software versions are affected by CVE-2023-47235?
The affected software version of CVE-2023-47235 is Frrouting Frrouting up to version 9.0.1.
How does CVE-2023-47235 manifest?
CVE-2023-47235 manifests as a crash when a malformed BGP UPDATE message with an EOR is processed.
What is the cause of the crash in CVE-2023-47235?
The crash in CVE-2023-47235 is caused by the presence of EOR in a malformed BGP UPDATE message.
Is there a fix available for CVE-2023-47235?
A fix for CVE-2023-47235 is available. Please refer to the reference link for more information.