CVE-2018-5381 (GCVE-0-2018-5381)

Vulnerability from cvelistv5 – Published: 2018-02-19 13:00 – Updated: 2024-09-16 16:17
VLAI
Summary
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.
Severity
6.5 (Medium)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-228 - Improper Handling of Syntactically Invalid Structure
Assigner
certcc CNA under the mitre root
CNA scorecard E 42/100 over 157 records in the last 180 days details
References
URL Tags
https://gogs.quagga.net/Quagga/quagga/src/master/… x_refsource_CONFIRM
https://usn.ubuntu.com/3573-1/ vendor-advisoryx_refsource_UBUNTU
https://www.debian.org/security/2018/dsa-4115 vendor-advisoryx_refsource_DEBIAN
http://savannah.nongnu.org/forum/forum.php?forum_… x_refsource_CONFIRM
https://security.gentoo.org/glsa/201804-17 vendor-advisoryx_refsource_GENTOO
https://lists.debian.org/debian-lts-announce/2018… mailing-listx_refsource_MLIST
http://www.kb.cert.org/vuls/id/940439 third-party-advisoryx_refsource_CERT-VN
https://cert-portal.siemens.com/productcert/pdf/s… x_refsource_CONFIRM
Impacted products
Vendor Product Version CPE status
Quagga bgpd Affected: bpgd , < 1.2.3 (custom)
guessed Create a notification for this product.
Date Public
2018-02-15 00:00
Show details on NVD website
To clipboard 

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            ],
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            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-30T11:45:06+00:00",
      "cve": "CVE-2018-5381",
      "id": "CVE-2018-5381",
      "initial_release_date": "2018-02-15T00:00:00+00:00",
      "product_status:known_affected": "9",
      "product_status:known_not_affected": "3",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "quagga: Infinite loop issue triggered by invalid OPEN message allows denial-of-service",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2018/cve-2018-5381.json",
      "version": "3"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
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  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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