CVE-2022-40302 (frrouting) | allinfosecnews.com

May 3, 2023, 12:16 p.m. |

National Vulnerability Database web.nvd.nist.gov

An issue was discovered in bgpd in FRRouting (FRR) through 8.4. By crafting a BGP OPEN message with an option of type 0xff (Extended Length from RFC 9072), attackers may cause a denial of service (assertion failure and daemon restart, or out-of-bounds read). This is possible because of inconsistent boundary checks that do not account for reading 3 bytes (instead of 2) in this 0xff case.

account attackers bgp cve daemon denial of service frrouting issue length may message out-of-bounds rfc service

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