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CVE-2023-41909

Disclosed 2023-09-05

Description

An issue was discovered in FRRouting FRR through 9.0. bgp_nlri_parse_flowspec in bgpd/bgp_flowspec.c processes malformed requests with no attributes, leading to a NULL pointer dereference.

References

URL	Source
https://github.com/FRRouting/frr/pull/13222/commits/cfd04dcb3e689754a72507d086ba3b9709fc5ed8	GitHub
https://lists.debian.org/debian-lts-announce/2023/09/msg00020.html	Debian
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LMJNX44SMJM25JZO7XWHDQCOB4SNJPIE/	Fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JLG64IF3FU7V76K4TKCCXVNEE6P2VUDO/	Fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WXR6PIVY4SWO7HDT4EY733H4X32SCPM4/	Fedora

Git Fixes

• cfd04dcb3e689754a72507d086ba3b9709fc5ed8
• cc1a551cb007cc8ed8b1ea0605a7ab46c16de12b
• 0a12b878082f77b67ad5d9b4782846ac738575a2

Raw Data

• CVE-2023-41909.cve.json — CVE record (JSON)
• CVE-2023-41909.frr.json — FRR-specific data (JSON)