Vulnerability Description
A flaw was found in FRRouting when parsing certain babeld unicast hello messages that are intended to be ignored. This issue may allow an attacker to send specially crafted hello messages with the unicast flag set, the interval field set to 0, or any TLV that contains a sub-TLV with the Mandatory flag set to enter an infinite loop and cause a denial of service.
CVSS Score
LOW
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Frrouting | Frrouting | < 8.5 |
Related Weaknesses (CWE)
References
- https://access.redhat.com/security/cve/CVE-2023-3748Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2223668Issue TrackingThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2023-3748Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2223668Issue TrackingThird Party Advisory
FAQ
What is CVE-2023-3748?
CVE-2023-3748 is a vulnerability with a CVSS score of 3.5 (LOW). A flaw was found in FRRouting when parsing certain babeld unicast hello messages that are intended to be ignored. This issue may allow an attacker to send specially crafted hello messages with the uni...
How severe is CVE-2023-3748?
CVE-2023-3748 has been rated LOW with a CVSS base score of 3.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-3748?
Check the references section above for vendor advisories and patch information. Affected products include: Frrouting Frrouting.