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Status published
Low
CVE-2023-3748
Inifinite loop in babld message parsing may cause dos
Vulnerability Description
A flaw was found in FRRouting when parsing certain babeld unicast hello messages that are intended to be ignored. This issue may allow an attacker to send specially crafted hello messages with the unicast flag set, the interval field set to 0, or any TLV that contains a sub-TLV with the Mandatory flag set to enter an infinite loop and cause a denial of service.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
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Affected Vendor
Affected Software
frr, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Fedora
Vulnerable Versions:
8.5
Timeline
Official Publish:
July 24th, 2023
Last Modified:
September 27th, 2024
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L