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Debian: CVE-2022-40302: frr -- security update

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Debian: CVE-2022-40302: frr -- security update

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
05/03/2023
Created
09/13/2023
Added
09/12/2023
Modified
09/13/2023

Description

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.

Solution(s)

  • debian-upgrade-frr

References

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