CVE-2023-3748

Low

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.

SeverityLow
CVSS3.5
Exploit probability—
ProductFrrouting
PublishedJul 24, 2023
First seenJul 24, 2023
Weakness typeCWE-835CWE-835

How to fix

Update
  • frrouting frrouting8.5 or later

Affected products

ProductAffected versionsFixed in
frrouting frroutingv < 8.58.5

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