CVSS 3.1 Score 7.5 of 10 (high)


Published Sep 5, 2023
Updated: Dec 22, 2023
CWE ID 476


CVE-2023-41909 is a vulnerability discovered in FRRouting FRR versions up to 9.0. This vulnerability affects multiple products, including 'aZdyd_', 'aZdyd-', 'rVf7Bk', 'rVf7Bh', and others. The issue arises from the bgp_nlri_parse_flowspec function in bgpd/bgp_flowspec.c, which fails to handle malformed requests with no attributes correctly, leading to a NULL pointer dereference. The vulnerability has a high severity rating and a base score of 7.5 according to [email protected]. It poses a potential danger to organizations as it can be exploited remotely without requiring any privileges or user interaction, resulting in a denial of service (DoS) condition due to the availability impact. There is no current information available regarding remediation for this vulnerability.

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