The Quagga BGP daemon (bgpd) prior to version 1.2.3 has a bug in its parsing of "Capabilities" in BGP OPEN messages, in the bgp_packet.c:bgp_capability_msg_parse function. The parser can enter an infinite loop on invalid capabilities if a Multi-Protocol capability does not have a recognized AFI/SAFI, causing a denial of service.

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-1286-1 quagga security update
Debian DSA Debian DSA DSA-4115-1 quagga security update
Ubuntu USN Ubuntu USN USN-3573-1 Quagga vulnerabilities
Fixes

Solution

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cve-icon MITRE

Status: PUBLISHED

Assigner: certcc

Published:

Updated: 2024-09-16T16:17:27.709Z

Reserved: 2018-01-12T00:00:00.000Z

Link: CVE-2018-5381

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2018-02-19T13:29:00.583

Modified: 2024-11-21T04:08:42.307

Link: CVE-2018-5381

cve-icon Redhat

Severity : Moderate

Publid Date: 2018-02-15T00:00:00Z

Links: CVE-2018-5381 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses