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CVE-2023-3748

Status Candidate

Overview

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.

Related Files

Ubuntu Security Notice USN-6240-1
Posted Jul 25, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6240-1 - It was discovered that FRR incorrectly handled certain messages. An attacker could possibly use this issue to cause a denial of service.

tags | advisory, denial of service
systems | linux, ubuntu
advisories | CVE-2023-3748
SHA-256 | 23d0c59663a9800c421af882cd089b84e712e688776650fec3d19c573aecaa2c
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