Affected: AlmaLinux:9: frr, AlmaLinux:9: frr-selinux

FRRouting is free software that manages TCP/IP based routing protocols. It supports BGP4, OSPFv2, OSPFv3, ISIS, RIP, RIPng, PIM, NHRP, PBR, EIGRP and BFD.

Security Fix(es):

* frr: incorrect length check in bgp_capability_llgr() can lead do DoS (CVE-2023-31489) * frr: missing length check in bgp_attr_psid_sub() can lead do DoS (CVE-2023-31490) * frr: processes invalid NLRIs if attribute length is zero (CVE-2023-41358) * frr: out of bounds read in bgp_attr_aigp_valid (CVE-2023-41359) * frr: NULL pointer dereference in bgp_nlri_parse_flowspec() in bgpd/bgp_flowspec.c (CVE-2023-41909) * frr: mishandled malformed data leading to a crash (CVE-2023-46752) * frr: crafted BGP UPDATE message leading to a crash (CVE-2023-46753) * frr: ahead-of-stream read of ORF header (CVE-2023-41360)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.

An issue found in Frrouting bgpd v.8.4.2 allows a remote attacker to cause a denial of service via the bgp_capability_llgr() function.

An issue found in Frrouting bgpd v.8.4.2 allows a remote attacker to cause a denial of service via the bgp_capability_llgr() function.

A carefully crafted If: request header can cause a memory read, or write of a single zero byte, in a pool (heap) memory location beyond the header value sent. This could cause the process to crash.

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frr-8.4-4.1 on GA media

Security update for frr

Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in FRRouting Project FRRouting ausnutzen, um einen Denial of Service Angriff durchzuführen.