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CVE-2018-19519 (GCVE-0-2018-19519)

Vulnerability from cvelistv5 – Published: 2018-11-25 20:00 – Updated: 2024-08-05 11:37
VLAI
Summary
In tcpdump 4.9.2, a stack-based buffer over-read exists in the print_prefix function of print-hncp.c via crafted packet data because of missing initialization.
CWE
  • n/a
References
URL Tags
http://www.securityfocus.com/bid/106098 vdb-entryx_refsource_BID
https://github.com/zyingp/temp/blob/master/tcpdump.md x_refsource_MISC
https://lists.fedoraproject.org/archives/list/pac… vendor-advisoryx_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/pac… vendor-advisoryx_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/pac… vendor-advisoryx_refsource_FEDORA
https://access.redhat.com/errata/RHSA-2019:3976 vendor-advisoryx_refsource_REDHAT
https://usn.ubuntu.com/4252-2/ vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/4252-1/ vendor-advisoryx_refsource_UBUNTU
https://kb.pulsesecure.net/articles/Pulse_Securit… x_refsource_CONFIRM
Date Public
2018-11-25 00:00
Show details on NVD website

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            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory",
              "VDB Entry"
            ],
            "url": "http://www.securityfocus.com/bid/106098"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://access.redhat.com/errata/RHSA-2019:3976"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Exploit",
              "Mitigation",
              "Third Party Advisory"
            ],
            "url": "https://github.com/zyingp/temp/blob/master/tcpdump.md"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44516"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/62XY42U6HY3H2APR5EHNWCZ7SAQNMMJN/"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FNYXF3IY2X65IOD422SA6EQUULSGW7FN/"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R2UDPOSGVJQIYC33SQBXMDXHH4QDSDMU/"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://usn.ubuntu.com/4252-1/"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://usn.ubuntu.com/4252-2/"
          }
        ],
        "sourceIdentifier": "cve@mitre.org",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-125"
              },
              {
                "lang": "en",
                "value": "CWE-909"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2025-11-21T15:45:03+00:00",
      "cve": "CVE-2018-19519",
      "id": "CVE-2018-19519",
      "initial_release_date": "2018-12-03T00:00:00+00:00",
      "product_status:fixed": "49",
      "product_status:known_not_affected": "2",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "tcpdump: Stack-based buffer over-read in print-hncp.c:print_prefix() via crafted pcap",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2018/cve-2018-19519.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-13T00:11:58Z",
      "cve": "CVE-2018-19519",
      "id": "CVE-2018-19519",
      "initial_release_date": "2023-02-15T04:21:59Z",
      "product_status:known_affected": "327",
      "product_status:known_not_affected": "8",
      "product_status:recommended": "147",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2018-19519",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2018-19519.json",
      "version": "40"
    }
  }
}



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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

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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Detection rules are retrieved from Rulezet.

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Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


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